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Ideal Gas Pressure Calculator — result sheet
Calculate ideal-gas pressure from amount, temperature, and volume using consistent SI-compatible inputs.
Inputs used
Results
Visual chart
Breakdown
Calculation steps
Returned data table
Formula and methodology
Formula: PV = nRT, so P = nRT/V with R = 8.314462618 L·kPa/(mol·K).
The result is an idealized pressure estimate; real gases can deviate from this model at high pressure or near phase changes.
This result follows the calculator's declared inputs, precision, validation boundaries, and model limits.
Input contract
- Amount of gas — mol; minimum 1.0E-6; maximum 1000000
- Absolute temperature — K; minimum 1.0E-6; maximum 1000000
- Volume — L; minimum 1.0E-6; maximum 1000000000
Worked example
| Input | Value |
|---|---|
| Amount of gas | 1 |
| Absolute temperature | 298.15 |
| Volume | 24.4654 |
Pressure ≈ 101.325 kPa; ≈ 101,325 Pa; ≈ 1 atm.
Assumptions and limits
- Temperature is absolute kelvin and volume is litres.
- The ideal-gas approximation is appropriate for the entered conditions.
- No compressibility factor, mixture composition, or vessel behavior is included.
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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