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Online Calculator
DC Power Calculator
Relate the basic quantities in a DC circuit using P = V × I and R = V / I.
Basic DC relationships: P = V × I and R = V / I.
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Frequently asked questions
How is DC power calculated?
P = V × I.
How is voltage calculated with power and current?
V = P / I.
How is the current calculated with power and voltage?
I = P / V.
Does it also calculate resistance?
Yes, using R = V / I.