First Law of Thermodynamics Calculator

First Law Calculator

Internal energy (Δ U):

Heat added to the system (Q):

Work done by the system (W):

How This Is Calculated

$$ \Delta U = Q - W $$ where:

Δ U = Change in internal energy (J)

Q = Heat added to the system (J)

W = Work done by the system (J)

Assumptions

Related Calculators