Ideal Gas Law Pressure Calculator
Calculates gas pressure using the Ideal Gas Law (P = nRT / V).
Calculates gas pressure using the Ideal Gas Law (P = nRT / V). Enter your Number of Moles (n), Temperature in Kelvin (T), Volume in Liters (V) to get an instant pressure (atm). Formula: (n * 0.082057 * t) / v.
Pressure (atm)
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How It Works
How It Works
This calculator uses the Ideal Gas Law to find the pressure of a gas. It applies the formula P = (n × 0.082057 × T) ÷ V, where pressure depends on the amount of gas, its temperature, and the space it occupies.
You enter the number of moles (n), the temperature in Kelvin (T), and the volume in liters (V). The calculator multiplies the moles, the gas constant (0.082057), and the temperature, then divides the result by the volume to find the pressure in atmospheres.
- Pressure increases when the number of moles increases.
- Pressure increases when temperature increases.
- Pressure decreases when volume increases.
- The gas constant (0.082057) keeps the units consistent.
Understanding the Results
The result shows the gas pressure in atmospheres (atm). This tells you how strongly the gas particles are pushing against the walls of their container.
A higher number means stronger particle collisions and greater force inside the container. A lower number means weaker collisions and less force.
- Result is measured in atmospheres (atm).
- Higher temperature or more moles raise the pressure.
- Larger volume lowers the pressure.
- Ensure temperature is entered in Kelvin for accurate results.
Disclaimer
This calculator provides estimates for informational purposes only. It is not professional advice. Verify results with a qualified professional. Disclaimer.