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Ideal Air Density Calculator — result sheet
Estimate ideal dry-air density from absolute pressure and temperature.
Inputs used
Results
Visual chart
Breakdown
Calculation steps
Returned data table
Formula and methodology
Formula: ρ = p/(RₐT), using Rₐ = 287.05 J/(kg·K).
The ideal-gas density relation links pressure and temperature to mass per volume for dry air.
This result follows the calculator's declared inputs, precision, validation boundaries, and model limits.
Input contract
- Absolute pressure — Pa; minimum 1.0E-6; maximum 10000000
- Absolute temperature — K; minimum 1; maximum 1000
Worked example
| Input | Value |
|---|---|
| Absolute pressure | 101325 |
| Absolute temperature | 288.15 |
Air density ≈ 1.225 kg/m³.
Assumptions and limits
- Pressure is absolute and temperature is Kelvin.
- Dry-air specific gas constant is treated as 287.05 J/(kg·K).
- Humidity, composition changes, altitude structure, and real-gas effects 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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