Voltage from Power and Current Table: Voltage by Power
Reference table of voltage for Voltage from Power and Current across a range of power values — exact, engine-computed figures you can read off at a glance.
Voltage from Power and Current Calculator
Verified formula Updated Jun 2026 Private — runs on your device
Verified formula
Private
Voltage
200.0000
For general information only — not financial, tax, legal or medical advice. Verify before you rely on it.
How to use the Voltage from Power and Current Calculator
The Voltage from Power and Current Calculator works out your voltage in an instant. Enter power and current and the result updates as you type — it is free, needs no sign-up, and runs entirely in your browser so your figures stay private.
- Enter the power.
- Enter the current.
- Read off your voltage — the calculator updates automatically, with no button to press.
Formula
The Voltage from Power and Current Calculator uses the formula:
Voltage = Power ÷ Current
Worked example
For example, with power of 100 W and current of 0.5 A, the voltage is 200.0000.
| Power | 100 W |
|---|---|
| Current | 0.5 A |
| Voltage | 200.0000 |
|---|
Results are estimates for educational use, not professional advice.
Frequently asked questions
Divide power by current: V = P ÷ I. 100 W at 0.5 A is 200 V.
It rearranges the power equation P = V × I to solve for voltage.
It uses real power. For AC with a power factor, divide power by current and power factor.
Divide power by voltage: I = P ÷ V.
Enter the power. Enter the current. Read off your voltage — the calculator updates automatically, with no button to press.
Related guides
How to Calculate Voltage from Power and Current: Formula, Steps & Examples
Learn how to calculate Voltage from Power and Current — the formula explained step by step, with worked examples and a free calculator to check your answer.