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Capacitive Reactance — result sheet
Calculate the magnitude of a capacitor's opposition to sinusoidal AC at a chosen frequency.
Inputs used
Results
Visual chart
Breakdown
Calculation steps
Returned data table
Formula and methodology
Formula: Xc = 1 / (2 pi f C).
Capacitive reactance is the magnitude of a capacitor's frequency-dependent opposition in an ideal sinusoidal circuit. The result is positive and expressed in ohms; phase sign is not included.
This result follows the calculator's declared inputs, precision, validation boundaries, and model limits.
Input contract
- Capacitance — F; minimum 1.0E-15; maximum 1000000
- Frequency — Hz; Use a positive sinusoidal frequency; DC is outside this finite-reactance calculation.; minimum 1.0E-9; maximum 1000000000000
Worked example
| Input | Value |
|---|---|
| Capacitance | 1.0E-6 |
| Frequency | 1000 |
Capacitive reactance is about 159.154943 ohm at 1 kHz.
Assumptions and limits
- Capacitance is entered in farads and frequency in hertz.
- The capacitor is ideal and driven by a steady sinusoid.
- Equivalent series resistance, leakage, voltage rating, and transient behavior are not modeled.
Calculator note
Source and methodology
Use the official WorldCalculate methodology policy for the source, formula, precision, and boundary standards behind this calculator.
Planning estimate, not financial, medical, legal, or professional advice. © WorldCalculate — reuse with attribution. Built and curated by Hassan ALRowaie.
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