Amps to Volts Calculator
Convert current and resistance into voltage using Ohm's law.
About the Amps to Volts Calculator
Built for Pakistani users, the Amps to Volts Calculator turns a fiddly manual calculation into a one-glance result you can trust for planning and everyday decisions.
Energy comes in many units — joules, watt-hours, calories, BTU, and the kilowatt-hours on your electricity bill. This Amps to Volts Calculator converts between them so you can compare energy figures from different sources.
The conversion applies the exact factors between energy units, and because one kilowatt-hour equals 3.6 million joules, the calculator saves you from unwieldy manual math.
Pakistani households meet these units everywhere: electricity bills in kWh, gas bills in cubic metres or MMBTU, and appliance specs in watts. Converting between them is how you compare energy costs across fuel types.
The converter is the companion to this site's appliance and bill calculators — convert any figure to kWh and you can price it against your tariff.
Come back to the Amps to Volts Calculator whenever your numbers change; because everything runs live in your browser, you can re-run it as many times as you need at no cost.
How to convert energy units
- 1
Enter the energy value in the unit you have.
- 2
Select the unit to convert to.
- 3
Read the converted value, updated live.
Frequently Asked Questions
How do I convert amps to volts?
Volts = amps × resistance. 5 A through a 44 Ω load needs 220 V.
How many kWh are in a joule?
One kilowatt-hour equals 3.6 million joules. Conversely, 1 joule is 0.000000278 kWh — tiny, which is why bills are in kWh rather than joules.