Skip to content

Dalton’s Law Calculator

Dalton’s Law Calculator helps determine the total pressure of a gas mixture by summing the partial pressures of individual gases. It’s useful for chemistry students, lab technicians, and researchers working with gas laws. Simply input the number of moles, temperature, and volume to calculate the total pressure using Dalton’s Law.

Dalton’s Law Calculator

Input Fields
Enter comma-separated values for moles of gases
K
L
If enabled, the result will update automatically when you change any value.

Dalton’s Law Formula

Formula
$$P_\text{total} = P_1 + P_2 + P_3 + \ldots + P_m = \frac{(n_1 + n_2 + \ldots + n_m)RT}{V}$$

Where:

  • $$P_\text{total}$$ = Total pressure of gas mixture
  • $$n_1, n_2, \ldots, n_m$$ = Moles of each gas
  • $$R$$ = Ideal gas constant
  • $$T$$ = Temperature (in Kelvin)
  • $$V$$ = Volume of the container


Dalton’s Law of Partial Pressures is used when multiple gases are present in a single container. It assumes ideal gas behavior and states that each gas contributes to the total pressure proportionally to its number of moles. This calculator allows you to either input partial pressures directly or use moles and temperature to calculate total pressure. It is particularly helpful in chemical experiments, respiratory gas analysis, and environmental gas monitoring.

Previous
Combined Gas Law

Leave a Reply

Your email address will not be published. Required fields are marked *