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Joules to Megajoules

Convert joules (J) to megajoules (MJ). Type in either box; the other updates as you go.

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1 J = 0.000001 MJ

1 joule equals0.000001 MJ
1 megajoule equals1,000,000 J
FormulaMJ = J × 0.000001

How to convert joules to megajoules

To convert joules to megajoules, multiply the number of joules by 0.000001.

MJ = J × 0.000001

Example

Convert 5,000 joules to megajoules:

5,000 J × 0.000001 = 0.005 MJ

Joule to megajoule conversion chart

Joules (J)Megajoules (MJ)
1,000 J0.001 MJ
2,000 J0.002 MJ
3,000 J0.003 MJ
4,000 J0.004 MJ
5,000 J0.005 MJ
6,000 J0.006 MJ
7,000 J0.007 MJ
8,000 J0.008 MJ
9,000 J0.009 MJ
10,000 J0.01 MJ
12,000 J0.012 MJ
15,000 J0.015 MJ
20,000 J0.02 MJ
25,000 J0.025 MJ
30,000 J0.03 MJ
40,000 J0.04 MJ
50,000 J0.05 MJ
60,000 J0.06 MJ
70,000 J0.07 MJ
75,000 J0.075 MJ
80,000 J0.08 MJ
90,000 J0.09 MJ
100,000 J0.1 MJ
150,000 J0.15 MJ
200,000 J0.2 MJ
250,000 J0.25 MJ
500,000 J0.5 MJ
1,000,000 J1 MJ

Going the other way? See the megajoules to joules chart.

About the units

Joule (J)

The joule is the SI unit of energy: the work done by a force of one newton over one meter.

Megajoule (MJ)

A megajoule is 1,000,000 joules, about the kinetic energy of a one-tonne car at 160 km/h.

Frequently asked questions

How many megajoules are in a joule?

There are 0.000001 megajoules in a joule.

How many joules are in a megajoule?

There are 1,000,000 joules in a megajoule.

How do you convert joules to megajoules?

To convert joules to megajoules, multiply the number of joules by 0.000001.

What is 5,000 joules in megajoules?

5,000 joules equals 0.005 megajoules.

Convert between joules, calories, kilocalories, kilowatt-hours and BTU. Open the energy converter to see a value in every unit at once.