Convert an hourly wage or annual gross salary into annual, monthly-average, paid-week, and hourly equivalents using your own paid-hours and paid-weeks assumptions.
You enter: Gross pay amount · Input pay basis · Paid hours per paid week · Paid weeks per year
Example: Annual gross pay: 52000.00; monthly average: 4333.33; gross per paid week: 1000.00; hourly equivalent: 25.00.
Open Gross Hourly and Salary Equivalents →
Constant-growth dividend discount value with sanity checks.
You enter: Next dividend (D1) · Required return · Dividend growth
Example: 33.33 per share.
Open Gordon Growth Stock Value →
Calculate a price-to-cash-flow multiple from share price and cash flow per share.
You enter: Share price · Cash flow per share
Example: Price-to-cash-flow ratio = 10×.
Open Price-to-Cash-Flow Ratio Calculator →
Calculate common retracement levels between a selected low and high price.
You enter: Swing low · Swing high
Example: Levels: 130.56, 124.72, 120, and 115.28 price units.
Open Fibonacci Retracement Level Calculator →
Calculate absolute and percentage appreciation between an initial value and a current value.
You enter: Initial value · Current value
Example: Appreciation = 20; percentage appreciation = 20%.
Open Asset Appreciation Calculator →
Convert a percentage-point change into basis points and a decimal rate change.
You enter: Percentage-point change
Example: Change = 25 basis points = 0.0025 as a decimal.
Open Basis Point Converter →
Calculate midpoint price elasticity of supply from two price and quantity observations.
You enter: Initial quantity supplied · Final quantity supplied · Initial price · Final price
Example: Midpoint elasticity of supply = 1.
Open Price Elasticity of Supply Calculator →
Convert pay per period into annual pay and a monthly equivalent using a selected number of pay periods and annual bonus.
You enter: Pay per period · Pay periods per year · Annual bonus
Example: Annual pay = 66,000; monthly equivalent = 5,500 currency units.
Open Annual Pay Calculator →
Estimate additional external financing from projected sales growth, asset intensity, spontaneous liabilities, retained profit, and payout.
You enter: Current sales · Projected sales · Assets supporting current sales · Spontaneous liabilities · Profit margin · Dividend payout ratio
Example: Additional funds needed = 4,800 currency units.
Open Additional Funds Needed Calculator →
Convert annual salary into monthly, weekly, and hourly equivalents using work weeks and hours per week.
You enter: Annual salary · Working weeks per year · Hours per week
Example: Monthly = 5,000; weekly = 1,200; hourly equivalent = 30 currency units.
Open Annual Salary to Hourly Equivalent Calculator →
Estimate a cake price from ingredient cost, labor, overhead, and a selected markup percentage.
You enter: Ingredient cost · Labor hours · Labor rate · Overhead allocation · Markup percentage
Example: Base cost = 53; suggested price = 68.90 currency units.
Open Cake Pricing and Margin Calculator →
Convert hourly pay, weekly hours, and working weeks into gross annual and monthly income equivalents.
You enter: Hourly pay · Hours per week · Working weeks per year
Example: Annual gross income = 50,000; monthly equivalent ≈4,166.67 currency units.
Open Hourly Pay to Annual Income Calculator →
Calculate the equal periodic payout from a present balance, interest rate, and payout term.
You enter: Present balance · Annual interest rate · Payouts per year · Payout term
Example: Monthly payout is approximately 659.96 currency units.
Open Annuity Payout Calculator →
Calculate customer churn and retention percentages from customers at the start of a period and customers lost.
You enter: Customers at period start · Customers lost
Example: Churn =8%; simple retention =92%.
Open Customer Churn Rate Calculator →
Calculate the average number of days a business takes to pay suppliers from average payables and purchases or COGS.
You enter: Average accounts payable · Purchases or COGS cost base · Days in period
Example: DPO ≈60.83 days.
Open Days Payable Outstanding Calculator →
Calculate gross pay for regular and overtime hours using a supplied hourly rate and multiplier.
You enter: Regular hours · Overtime hours · Hourly rate · Overtime multiplier
Example: Gross pay =$280 in the entered currency.
Open Shift Pay Scenario Calculator →
Estimate a plain fixed-coupon bond price and cash-flow convexity from supplied terms and yield.
You enter: Face value · Annual coupon rate · Number of coupon periods · Annual yield rate · Coupon payments per year
Example: Price ≈1,000; convexity ≈74.998 periods².
Open Bond Price and Convexity Scenario Calculator →
Estimate a scenario value from revenue, growth, operating margin, and a supplied valuation multiple.
You enter: Revenue · Growth rate · Operating margin · Valuation multiple
Example: Forward revenue =1,100,000; scenario value =1,760,000.
Open Business Value Multiple Scenario Calculator →
Estimate effective duration from a base bond price, prices after a symmetric yield change, and the yield change size.
You enter: Price after yield decrease · Price after yield increase · Base price · Yield change as decimal
Example: Effective duration =2.0.
Open Effective Duration Scenario Calculator →
Project a current price forward by a user-supplied annual inflation rate and number of years.
You enter: Current price · Annual inflation rate · Years
Example: Future price ≈115.927; increase ≈15.927%.
Open Inflation-Adjusted Future Price Calculator →
Calculate gross profit and cost of goods sold from revenue and a user-supplied gross-margin rate.
You enter: Revenue · Gross margin
Example: Gross profit =35000; COGS =65000.
Open Gross Profit from Margin Calculator →
Calculate annual dividend per share as a percentage of a share price.
You enter: Annual dividend per share · Share price
Example: Dividend yield =4%.
Open Dividend Yield Calculator →
Calculate earnings per share as a percentage of share price.
You enter: Earnings per share · Share price
Example: Earnings yield =5%.
Open Earnings Yield Calculator →
Calculate a company’s equity market capitalization from share price and shares outstanding.
You enter: Share price · Shares outstanding
Example: Market capitalization =100000000.
Open Market Capitalization Calculator →
Calculate a share price multiple from share price and positive earnings per share.
You enter: Share price · Earnings per share
Example: P/E ratio =20.
Open Price-to-Earnings Ratio Calculator →
Estimate a European call or put option value from price, strike, time, volatility, rates, and dividend yield.
You enter: Underlying price · Strike price · Time to expiry · Volatility · Continuously compounded risk-free rate · Continuous dividend yield · Option type
Example: Theoretical European call value ≈ 10.45 currency units.
Open Black-Scholes Option Value Calculator →
Estimate a lease payment from capitalized cost, residual value, money factor, term, and a visitor-entered tax rate.
You enter: Vehicle price · Capitalized fees · Down payment or cap-cost reduction · Residual value percentage · Money factor · Lease term · Entered lease tax rate
Example: Estimated monthly lease payment ≈ 449 currency units.
Open Vehicle Lease Payment Scenario Calculator →
Calculate the annualized premium or discount implied by a forward price relative to a spot price.
You enter: Spot price or rate · Forward price or rate · Time to forward date
Example: Annualized forward premium ≈ 1.95%.
Open Forward Premium or Discount Calculator →
Calculate a long or short futures position's price-change profit or loss and return on entered initial margin.
You enter: Entry futures price · Exit or settlement price · Units per contract · Number of contracts · Initial margin per contract · Position
Example: Profit = 600; return on initial margin = 6%.
Open Futures Contract Profit and Margin Scenario →
Calculate the output gap between actual and potential gross domestic product.
You enter: Potential GDP · Actual GDP
Example: GDP gap = −20; gap percentage = −2%.
Open GDP Gap Calculator →
Calculate a partial-market HHI from entered percentage shares, including an explicit other-firms share.
You enter: Firm 1 share · Firm 2 share · Firm 3 share · Firm 4 share · Firm 5 share · Other firms share
Example: HHI = 3,388 with total share 100%.
Open Herfindahl-Hirschman Market Concentration Calculator →
Estimate the relative value difference between a constant-product liquidity position and holding the two assets after a price-ratio change.
You enter: Initial position value · New price ratio / initial price ratio
Example: LP-to-hold ratio ≈ 0.9428; impermanent loss ≈ −5.72%.
Open Constant-Product Impermanent Loss Calculator →
Calculate the favorable or unfavorable price variance from actual and standard material prices and actual quantity.
You enter: Actual price per unit · Standard price per unit · Actual quantity used or purchased
Example: Price variance = 40 currency units unfavorable.
Open Direct Material Price Variance Calculator →
Break return on equity into profit margin, asset turnover, and equity multiplier components.
You enter: Net profit margin · Total asset turnover · Equity multiplier
Example: DuPont ROE = 24%.
Open DuPont ROE Analysis Calculator →
Calculate EBITDA as a percentage of revenue and show the entered operating cash-style amount before the excluded items.
You enter: EBITDA · Revenue
Example: EBITDA margin = 15%.
Open EBITDA Margin Calculator →
Estimate how the demand for one product changes when the price of another product changes, using the midpoint method.
You enter: Quantity demanded before · Quantity demanded after · Other product price before · Other product price after
Example: Both midpoint percentage changes are 18.18%, so cross-price elasticity is 1.0, a positive substitute-like response.
Open Cross-Price Elasticity of Demand Calculator →
Measure how quantity demanded changes relative to income using midpoint percentage changes between two observations.
You enter: Quantity demanded before · Quantity demanded after · Income before · Income after
Example: Quantity rises about 18.1818%, income rises about 9.5238%, and arc income elasticity is about 1.9091.
Open Income Elasticity of Demand Calculator →
Calculate the price-cost markup as a share of price from an entered price and marginal cost.
You enter: Price · Marginal cost
Example: The price-cost markup is 30 currency units and the Lerner index is 0.30, or 30%.
Open Lerner Index Calculator →
Measure the midpoint percentage response of quantity demanded to a price change between two observations.
You enter: Quantity demanded before · Quantity demanded after · Price before · Price after
Example: Quantity changes by about −10.5263%, price by about 18.1818%, and price elasticity is about −0.5789, an inelastic interval.
Open Price Elasticity of Demand Calculator →
Calculate gross profit, gross margin, and markup on cost from revenue and cost of goods sold.
You enter: Revenue · Cost of goods sold
Example: Gross profit is 40,000 currency units, gross margin is 40%, and markup on cost is about 66.6667%.
Open Gross Margin Calculator →
Calculate operating income and operating margin after cost of goods sold and entered operating expenses.
You enter: Revenue · Cost of goods sold · Operating expenses
Example: Gross profit is 40,000, operating income is 15,000, and operating margin is 15%.
Open Operating Margin Calculator →
Estimate consumer surplus from a maximum willingness to pay, market price, and purchased quantity under a straight-line demand model.
You enter: Maximum willingness to pay at zero quantity · Market price per unit · Quantity purchased
Example: Consumer surplus is 2,000 currency units, with an average surplus of 20 per purchased unit.
Open Consumer Surplus Triangle Calculator →
Subtract visitor-entered taxes and mandatory deductions from gross income for a clear disposable-income estimate.
You enter: Gross income · Taxes and mandatory deductions
Example: Disposable income is 4,000 currency units per period and entered deductions are 20% of gross income.
Open Disposable Income After Deductions Calculator →
Estimate net capital gain or loss and its yield on an entered purchase price after transaction costs.
You enter: Purchase price or cost basis · Sale price · Selling and transaction costs
Example: Net capital gain = 2,250 and capital-gains yield = 22.5%.
Open Capital Gains Yield Calculator →
Calculate pre-tax earnings by adding income-tax expense or benefit back to net income.
You enter: Net income or loss · Income-tax expense or benefit
Example: Earnings before tax = 150,000 in the entered currency.
Open Earnings Before Tax (EBT) Calculator →
Calculate an accounting effective tax rate from pre-tax income and entered income-tax expense or benefit.
You enter: Pre-tax income · Income-tax expense or benefit
Example: Effective corporate tax rate = 20%, with after-tax income of 120,000.
Open Effective Corporate Tax Rate Calculator →
Sum twelve consecutive monthly financial values and compare the latest six months with the preceding six months.
You enter: Twelve monthly values
Example: TTM total = 1,451,000; monthly average = 120,916.67; latest six months are 96,000 higher than the first six, or about 16.62% higher.
Open Trailing Twelve Months (TTM) Calculator →
Check the no-arbitrage relationship between European call and put premiums, the underlying price, strike, rates, dividends, and time to expiry.
You enter: Underlying price S · Strike price K · Time to expiry T · Continuously compounded risk-free rate · Continuous dividend yield · European call premium C · European put premium P
Example: The parity difference is about 4.8771; the call-implied put is about 5.5729 and the entered pair has a small residual from rounding.
Open Put–Call Parity Calculator →
Estimate the melt value of gold from weight, purity, fine-gold price, and an optional buyer discount.
You enter: Item weight · Gold purity · Fine-gold price · Buyer discount from melt value
Example: Fine-gold mass = 23.3276 g and theoretical melt value = 1,632.93 currency units before any discount or non-gold deductions.
Open Gold Melt Value Calculator →
Estimate the triangular welfare loss from a price change and quantity change under a linear supply-and-demand approximation.
You enter: Original equilibrium price · New price · Original equilibrium quantity · New quantity
Example: Price change = 2, quantity change = 200, and the triangular deadweight-loss estimate is 200 currency units.
Open Deadweight Loss Triangle Calculator →
Estimate goodwill or a bargain-purchase amount from purchase consideration and the fair values of identifiable assets and liabilities.
You enter: Purchase consideration · Fair value of identifiable assets · Fair value of liabilities assumed
Example: Net identifiable assets = 50,000; estimated goodwill = 950,000 currency units.
Open Acquisition Goodwill Calculator →
Compare a share price with book value per share and show the implied market capitalization and book-equity scale.
You enter: Share price · Book value per share · Shares outstanding
Example: P/B = 2.00×; market capitalization = 120,000,000 currency units; represented book equity = 60,000,000 currency units.
Open Price-to-Book Ratio Calculator →
Calculate a price-to-sales multiple from share price, sales per share, and shares outstanding while keeping market value and sales scale visible.
You enter: Share price · Sales per share · Shares outstanding
Example: P/S = 3.00×; market capitalization = 90,000,000 currency units; represented sales = 30,000,000 currency units.
Open Price-to-Sales Ratio Calculator →
Calculate a price-to-earnings multiple and divide it by an entered annual earnings-growth percentage to create a transparent PEG scenario.
You enter: Share price · Earnings per share · Annual earnings growth
Example: P/E = 20.00×; PEG = 1.00 when growth is entered as 20%.
Open PEG Ratio Calculator →
Project an annual pay amount after repeated percentage increases or decreases, with a clear nominal-growth boundary.
You enter: Current annual pay · Annual increase or decrease · Years
Example: At a constant 3% annual increase, 50,000 becomes about 67,195.82 after 10 years before taxes, inflation, benefits, or job changes.
Open Future Salary Growth Estimate →
Calculate the amount and new value of a one-time percentage pay raise for any stated pay period or currency unit.
You enter: Current pay · Raise percentage
Example: A 5% increase on 2,500 adds 125 and produces new pay of 2,625 per stated pay period.
Open Pay Raise and New Pay →
Translate equity value and basic or diluted shares into implied price per share, then show a simple debt-and-cash enterprise-value bridge.
You enter: Equity value · Basic shares outstanding · Additional diluted shares · Debt · Cash and cash equivalents
Example: The basic implied price is 10 per share, the illustrative diluted price is about 9.5238, and the simple enterprise-value bridge is 115,000,000.
Open Price per Share and Enterprise-Value Bridge →
Calculate post-split shares, price, dividend per share, and position value for a forward or reverse stock split ratio.
You enter: Shares before split · Price before split · New shares per old share · Old shares in ratio · Dividend per share before split
Example: A 2-for-1 split changes 100 shares at 100 into 200 shares at 50; the illustrative dividend changes from 2 to 1 per share and the position value remains 10,000.
Open Stock Split and Reverse-Split Scenario →
Calculate incurred losses as a percentage of earned premium and show the same relationship as a ratio and simple premium-minus-loss amount.
You enter: Incurred losses · Earned premium
Example: The loss ratio is 25%, meaning 0.25 currency units of incurred losses per earned-premium unit; the simple premium-minus-loss difference is 750,000.
Open Insurance Loss Ratio Calculator →
Estimate tax from three entered thresholds and four marginal rates, then show the effective rate, marginal rate, and income remaining.
You enter: Taxable income · End of first band · First marginal rate · End of second band · Second marginal rate · End of third band · Third marginal rate · Rate above third band
Example: Estimated tax = 19,300; effective rate ≈ 22.706%; income after tax = 65,700; marginal rate = 30%.
Open Progressive Tax Bracket Calculator →
Convert a gross pay amount to net pay or solve for gross pay from a target net amount using entered percentage deductions and fixed deductions.
You enter: Pay amount · Income-tax percentage · Social-contribution percentage · Fixed deductions · Calculation direction
Example: Gross pay = 5,000; percentage deductions = 1,000; fixed deductions = 100; net pay = 3,900.
Open Gross-to-Net and Net-to-Gross Pay Calculator →
Convert a tax-exempt yield into the taxable yield that would leave the same after-tax return at an entered tax rate.
You enter: Tax-exempt yield · Tax rate assumption
Example: Taxable-equivalent yield = 4%; tax at 25% = 1 percentage point; after-tax check = 3%.
Open Taxable-Equivalent Yield Calculator →
Estimate GST, QST, combined tax, and the after-tax amount with visitor-entered rates and a transparent choice of QST tax base.
You enter: Pre-tax amount · GST rate · QST rate · QST base
Example: GST = 5; QST = 9.975; combined tax = 14.975; after-tax amount = 114.975 before display rounding.
Open GST and QST Calculator →
Calculate an earnest-money deposit from a purchase-price percentage or calculate its percentage from an entered deposit, then compare it with a planned down payment.
You enter: Purchase price · Calculation mode · Entered percentage or deposit amount · Planned total down payment
Example: A 1% deposit is 3,500 and the remaining planned down payment after crediting that deposit is 66,500.
Open Earnest Money Deposit Calculator →
Calculate property or land price per square meter and convert the result to price per square foot for international comparisons.
You enter: Total price or value · Area
Example: Price is 2,500 currency units per square meter and about 232.257 currency units per square foot; the area is about 1,291.67 square feet.
Open Price per Square Meter Calculator →
Estimate a forex lot size from account equity, risk percentage, stop-loss distance, slippage allowance, and commission assumptions.
You enter: Account equity · Planned risk percentage · Stop-loss distance · Pip size · Base units per lot · Quote currency to account currency · Slippage allowance · Commission per lot
Example: The risk budget is 100, pip value is 10 per lot, the 52-pip adverse allowance plus commission risks 527 per lot, and the scenario size is about 0.18975 lots or 18,975.33 base units.
Open Forex Position Size Calculator →
Estimate position notional, equivalent margin, margin rate, free equity, and margin usage from a forex position and leverage assumption.
You enter: Position size in base units · Entry price · Quote currency to account currency · Leverage multiple · Available equity
Example: The position notional is 108,500 account-currency units, equivalent margin is 3,616.67 at 30× leverage, free equity is about 6,383.33, and margin usage is 36.17%.
Open Forex Margin and Leverage Calculator →
Estimate gross and net trading P&L for long or short positions using entry price, exit price, quantity, multiplier, conversion rate, and fees.
You enter: Quantity · Entry price · Exit price · Contract multiplier · Quote currency to account currency · Fees and funding · Position direction
Example: A long position gains 0.005 price units; gross P&L is 500 quote and account-currency units, fees are 25, net P&L is 475, and net return on entry notional is about 0.4398%.
Open Trading Profit and Loss Calculator →
Convert gold weight in grams, kilograms, or troy ounces into fine-gold content and an estimated metal value.
You enter: Gold price per troy ounce · Gold weight · Weight unit · Purity · Number of items · Quote currency to account currency
Example: 31.1034768 grams equal 1 gross troy ounce; at 99.9% purity the fine content is 0.999 troy ounce and the estimated melt value is 2,297.70 quote and account-currency units.
Open Gold Weight and Melt Value Calculator →
Estimate gold futures exposure, notional value, tick value, and an entered initial-margin scenario from price and contract size.
You enter: Gold price per troy ounce · Number of contracts · Troy ounces per contract · Price tick size · Quote currency to account currency · Entered initial margin estimate
Example: Two 100-troy-ounce contracts represent 200 ounces and 460,000 quote and account-currency units of notional value; one tick is worth 20 and the entered total margin estimate is 40,000.
Open Gold Futures Notional Value Calculator →
Estimate crude-oil exposure, notional value, tick value, and an entered initial-margin scenario from price and barrels per contract.
You enter: Oil price per barrel · Number of contracts · Barrels per contract · Price tick size · Quote currency to account currency · Entered initial margin estimate
Example: Two 1,000-barrel contracts represent 2,000 barrels and 150,000 quote and account-currency units of notional value; one tick is worth 20 and the entered total margin estimate is 10,000.
Open Crude Oil Contract Notional Value Calculator →
Estimate an illustrative maintenance threshold and liquidation price from entry, quantity, margin percentages, fees, equity, and direction.
You enter: Entry price · Quantity · Contract multiplier · Account equity · Initial margin percentage · Maintenance margin percentage · Fees and funding · Position direction
Example: Notional is 10,000, initial margin is 1,000, maintenance margin is 500, equity after fees is 4,950, loss capacity is 4,450, and the illustrative long threshold price is 55.50.
Open Trading Margin and Liquidation Scenario Calculator →
Estimate margin excess and a transparent additional-notional scenario from equity, an existing position, reserve cash, and entered margin percentages.
You enter: Account equity · Current position notional · Maintenance margin · Initial margin for a new position · Cash reserve to hold back
Example: With 10,000 of equity and a 1,000 reserve, the margin excess is 9,000 and the entered 50% initial margin assumption gives an estimated 18,000 of additional notional capacity.
Open Buying Power and Margin Capacity Scenario Calculator →
Calculate a single call or put option's expiration payoff, premium effect, net result, and simple break-even for a long or short position.
You enter: Underlying price at expiration · Strike price · Premium per underlying unit · Contract multiplier · Number of contracts · Option type · Position side
Example: The call has 5 of intrinsic value per unit, a 500 gross payoff, 300 of premium cash, and a 200 net expiration result; the simple break-even price is 103.
Open Call and Put Option Payoff Calculator →
Estimate UK-style capital gains tax by applying entered losses, annual exempt amount, unused basic-rate band, and two entered gain rates.
You enter: Gross chargeable gain · Allowable losses used · Annual exempt amount · Taxable income before gains · Basic-rate band remaining before gains · Basic CGT rate · Higher CGT rate
Example: The taxable gain is 17,000; 17,700 of basic band remains, so the full gain is modelled at 18% and the estimated tax is 3,060.
Open UK Capital Gains Tax Scenario Calculator →
Calculate the implicit GDP deflator from nominal and real GDP while keeping the base-year index convention visible.
You enter: Nominal GDP · Real GDP at base-year prices
Example: GDP deflator = 115; nominal GDP is 1.15 times real GDP under the entered base-year convention.
Open GDP Deflator Calculator →
Estimate publicly available shares and the free-float percentage from shares outstanding and explicitly excluded holdings.
You enter: Shares outstanding · Insider and controlling holdings · Restricted or locked holdings · Strategic or other excluded holdings
Example: The estimate is 70,000,000 free-float shares, or 70% of 100,000,000 shares outstanding, before any methodology-specific adjustments.
Open Free-Float Shares Calculator →
Annualize regular and overtime hours into weekly, annual, monthly-average, and effective hourly gross pay without guessing local wage law.
You enter: Regular hours per week · Overtime hours per week · Base hourly rate · Overtime multiplier · Paid weeks per year · Annual bonus or other gross pay
Example: Weekly gross pay is 950 currency units; repeated for 52 paid weeks, annual gross is 49,400 and the effective hourly rate across 2,340 hours is about 21.1111.
Open Hourly Salary with Overtime Calculator →
Reconcile EBITDA from net income, interest, income tax, depreciation, amortization, and revenue, then show the resulting margin.
You enter: Net income (or loss) · Interest expense · Income tax expense (or benefit) · Depreciation · Amortization · Revenue
Example: EBIT is 170,000, EBITDA is 200,000, and EBITDA margin is 20%.
Open EBITDA Reconciliation Calculator →
Calculate dividend payout and retention ratios from dividends and net income for one period.
You enter: Dividends · Net income
Example: Dividend payout is 20.00% and retention is 80.00%.
Open Dividend Payout Ratio Calculator →
Estimate simple and discounted payback from an initial investment and ordered annual cash flows.
You enter: Initial investment · Annual cash flows · Discount rate
Example: The calculator reports the fractional year when simple and discounted cumulative cash flow recovers the investment.
Open Payback Period Calculator →