Power To Voltage Calculator
Convert electrical power (watts) to voltage quickly — enter power and current (amps) to get voltage, or convert using resistance. Accurate results, clear units, instant output.
power to voltage formula
Voltage can be calculated using power / current or P/I: V = P ÷ I. When the value of resistance is known and that of current unknown, V = 2(P1 R). With units, enter your values to instantly obtain volts.
Formula & Table Summary:
- V = P / I (Voltage = Power ÷ Current)
- V = √(P × R) (Resistive case)
- P = V × I ; I = P / V
Units: P in W, I in A, V in V, R in Ω.
power voltage converter simple
A Power to Voltage Calculator takes electrical power, as expressed in watts, and calculates it out to be voltage, as expressed in volts; using known current, as expressed in amps, or known resistance, as expressed in ohms. In most practical conversions one supplies power and current the calculator will give you voltage using V = P/I. In the case of resistive circuits one can say that V = V = (P x R) 12. The tool is used to aid electricians, students, and amateur researchers with quick estimates of the voltages necessary in a machine based on their power and operating current as well as to compare requirements of the supplies and to check calculations in DC systems. Units are dealt with automatically and example given to allow you to test typical values. It was designed to be fast and easy to read so it would make a good short-term design check, lab work, or even homework
DC voltage calculator
| Power (W) | Current (A) | Calculation | Voltage (V) |
|---|---|---|---|
| 60 | 2.0 | V = 60 / 2.0 | 30.0 |
| 50 | — | V = √(50 × 25) | 35.355 |
| 100 | 4.0 | V = 100 / 4.0 | 25.0 |
