Unit conversions

Energy conversions

Energy is the capacity to do work or transfer heat — the currency of every heat and material balance.

• Convert J to kJ
• Convert kJ to J
• Convert J to kWh
• Convert kWh to J
• Convert J to BTU
• Convert BTU to J
• Convert kJ to MJ
• Convert MJ to kJ
• Convert kJ to cal
• Convert cal to kJ
• Convert kJ to kcal
• Convert kcal to kJ
• Convert kJ to Wh
• Convert Wh to kJ
• Convert kJ to kWh
• Convert kWh to kJ
• Convert kJ to BTU
• Convert BTU to kJ
• Convert kJ to MMBTU
• Convert MMBTU to kJ
• Convert kJ to therm
• Convert therm to kJ
• Convert MJ to kWh
• Convert kWh to MJ
• Convert MJ to BTU
• Convert BTU to MJ
• Convert cal to kWh
• Convert kWh to cal
• Convert cal to BTU
• Convert BTU to cal
• Convert kcal to kWh
• Convert kWh to kcal
• Convert kcal to BTU
• Convert BTU to kcal
• Convert Wh to kWh
• Convert kWh to Wh
• Convert Wh to BTU
• Convert BTU to Wh
• Convert kWh to BTU
• Convert BTU to kWh
• Convert kWh to MMBTU
• Convert MMBTU to kWh
• Convert kWh to therm
• Convert therm to kWh
• Convert BTU to MMBTU
• Convert MMBTU to BTU
• Convert BTU to therm
• Convert therm to BTU
• Convert cal to J
• Convert J to cal
• Convert MMBTU to therm
• Convert therm to MMBTU

Related calculators

• Heat Exchanger Duty & Area Calculator