Volts – Amps – Watts calculator DC amps to watts calculation The power P in watts (W) is equal to the current I in amps (A), times the voltage V in volts (V): P(W) = I(A) × V(V) Volts Amps Watts Spec 44 Wire – Hook up Wire – M81044/12 Select options Heat Shrink Labels Select options Open Barrel Splice Kit – 100pcs Add to cart Open Barrel Splice Select options Open Barrel Splice Kit – With Crimping Pliers Add to cart Flush cut side cutters Rated 5.00 out of 5 based on 1 customer rating Add to cart We’re frequently adding new calculators and documentation to this website. Sign up for updates Suggest a Topic Or Suggest a topic for a new calculator or cheat sheet! We’d love to hear it.