Physics Unit Converter
Convert between energy, force, and pressure units
Select Category
Physics Units
In physics, we use different units to measure different quantities. The International System of Units (SI) is the standard system used worldwide. The physics unit converter helps you convert between units of energy, force, pressure, and power easily and accurately.
Available Unit Types
Energy
Joule, kilojoule, calorie, BTU, kilowatt-hour
Base unit: Joule (J)
Force
Newton, kilonewton, dyne, pound-force
Base unit: Newton (N)
Pressure
Pascal, kilopascal, bar, atmosphere, PSI
Base unit: Pascal (Pa)
Power
Watt, kilowatt, megawatt, horsepower
Base unit: Watt (W)
Usage Tips
- Make sure to choose the correct category before conversion
- The base SI units are: Joule for energy, Newton for force, Pascal for pressure, Watt for power
- Use the swap button to quickly exchange units
- Results appear automatically when entering the value