Ideal gas law calculator (PV = nRT)
Solve for P, V, n, or T with P in atm, V in L, T in K.
Calculator
How to use
Ideal gas law
$$PV = nRT$$
Uses R ≈ 0.08206 L·atm/(mol·K).
Educational use only. Double-check values for labs, homework, and exams.
Solve for P, V, n, or T with P in atm, V in L, T in K.
$$PV = nRT$$
Uses R ≈ 0.08206 L·atm/(mol·K).
Educational use only. Double-check values for labs, homework, and exams.
Model / formula
PV = nRT — P (atm), V (L), n (mol), T (K), R = 0.08206 L·atm/(mol·K)
Result
n (mol) = 1.0000