Convert Megajoules to Kilojoules

Enter a value in megajoules to convert it to kilojoules. The result updates instantly and includes the formula and calculation steps.

Megajoules to Kilojoules calculator

to
MJ
Kilojoules
kJ

Megajoules to Kilojoules formula

Use this formula to convert megajoules to kilojoules:

Kilojoules = Megajoules*1e3

Calculation

Enter a valid number above to see the formula with your value substituted step by step.

Megajoules to Kilojoules Conversion Table

Reference values for converting Megajoules to Kilojoules.

Megajoules (MJ)Kilojoules (kJ)
0.1 MJ100 kJ
1 MJ1000 kJ
2 MJ2000 kJ
5 MJ5000 kJ
10 MJ10000 kJ
20 MJ20000 kJ
50 MJ50000 kJ
100 MJ100000 kJ

Worked example

Convert 15 Megajoules to Kilojoules

Kilojoules = 15 × 1e3 = 15000 Kilojoules

About these units

Megajoules

A Megajoule (MJ) is a unit of energy equal to 1,000,000 joules. It is commonly used to measure large quantities of energy in various scientific, engineering, and industrial contexts. One megajoule represents the amount of energy required to apply a force of one newton over a distance of one million meters, or the energy transferred when one megawatt of power is applied for one second. Megajoules are often used to quantify the energy content of fuels, the work done by large machines, and the energy used or produced in industrial processes, providing a standard measure for comparing significant energy transfers and consumption.

Kilojoules

A Kilojoule (kJ) is a unit of energy equal to 1,000 joules. It is commonly used to measure energy in various scientific and engineering contexts, as well as in nutrition to quantify the energy content of foods. One kilojoule is the amount of energy required to apply a force of one newton over a distance of one kilometer, or the energy transferred when one kilowatt of power is applied for one second. Kilojoules are used in fields such as physics, chemistry, and engineering to quantify work, heat, and energy, providing a standard measure for comparing energy content and transfer across different systems and processes.