ENERGY CONVERSION

Megajoule to Kilojoule.

Convert megajoule (MJ) to kilojoule (kJ), with the math explained.

Energy converter
MJ
1,000kJ
THE RESULT

1 MJ = 1,000 kJ

Calculated in your browserFormula & conversion table

THE MATH, MADE SIMPLE

How to convert megajoule to kilojoule

Multiply your megajoule value by 1,000 to get the equivalent in kilojoule. Both units are normalized through the joule.

CONVERSION FORMULAkJ = MJ × 1,000
WORKED EXAMPLE

10 MJ = 10,000 kJ

Result rounded to 12 significant digits. Change the precision in the calculator to suit your task.

QUICK REFERENCE

MJ to kJ conversion table

Reverse
Megajoule (MJ)Kilojoule (kJ)
1 MJ1,000 kJ
2 MJ2,000 kJ
5 MJ5,000 kJ
10 MJ10,000 kJ
20 MJ20,000 kJ
50 MJ50,000 kJ
100 MJ100,000 kJ
500 MJ500,000 kJ
1,000 MJ1,000,000 kJ
MJ

About the megajoule

The megajoule (MJ) is a unit of energy. One megajoule equals 1,000,000 joule (base unit) in this calculator.

All megajoule conversions
kJ

About the kilojoule

The kilojoule (kJ) is a unit of energy. One kilojoule equals 1,000 joule (base unit) in this calculator.

All kilojoule conversions

Common questions

What is 1 MJ in kJ?

One megajoule equals 1,000 kJ. Use the formula above for other values.

Why might another calculator show a different last digit?

Calculators may round at different stages or use different unit conventions. We keep full JavaScript numeric precision during calculation and round only for display. Choose up to 15 significant digits. Check US versus UK units and the notes for this category.

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