Megajoule to Ton of TNT Converter

Energy Converter

27 units available

Decimals:

From

To

0.000239

1 MJ = 0.000239 tTNT

Formula:

tTNT = MJ × 0.0002390057

With your value: 1 MJ = 0.00023901 tTNT

How big is that?

Everyday references on a logarithmic scale, all expressed in megajoule so you can sanity-check the result.

Heartbeat (1/1.0e+6 your value)0.00000100 MJ

AA battery charge (1/1.0e+2 your value)0.0100 MJ

Slice of bread (1/3.6 your value)0.280 MJ

Your value1.00 MJ

Daily food intake (8.4× your value)8.40 MJ

Litre of petrol (34× your value)34.2 MJ

Other Megajoule to Ton of TNT conversions

2 MJ to tTNT 3 MJ to tTNT 4 MJ to tTNT 5 MJ to tTNT 6 MJ to tTNT 7 MJ to tTNT 8 MJ to tTNT

Megajoule to Ton of TNT Conversion Table

Megajoule (MJ)	Ton of TNT (tTNT)
0.5	0.00012
1	0.000239
2	0.000478
5	0.001195
10	0.00239
15	0.003585
20	0.00478
25	0.005975
50	0.01195
100	0.023901
250	0.059751
500	0.119503
1000	0.239006

Ton of TNT to Megajoule Conversion Table

Ton of TNT (tTNT)	Megajoule (MJ)
0.5	2,092
1	4,184
2	8,368
5	20,920
10	41,840
15	62,760
20	83,680
25	104,600
50	209,200
100	418,400
250	1,046,000
500	2,092,000
1000	4,184,000

Where these values come from

Every factor on this page is traced to the document that defines it. See the full provenance dataset or our methodology.

Megajoule (MJ)

Energy

Exact conversion

Derived from the joule (1 J = 1 kg·m²/s²). Thermochemical and IT calories, BTU and kWh are exact defined multiples.

Source: NIST Special Publication 811, Guide for the Use of the International System of Units

National Institute of Standards and Technology (US) · Reviewed 2026-07-01

Ton of TNT (tTNT)

Energy

Exact conversion

Derived from the joule (1 J = 1 kg·m²/s²). Thermochemical and IT calories, BTU and kWh are exact defined multiples.

Source: NIST Special Publication 811, Guide for the Use of the International System of Units

National Institute of Standards and Technology (US) · Reviewed 2026-07-01

How to Convert Megajoule to Ton of TNT

To convert from Megajoule (MJ) to Ton of TNT (tTNT), multiply the value by 0.0002390057.

Formula: tTNT = MJ × 0.0002390057

Reverse: MJ = tTNT × 4,184

Step-by-Step Example

Start with your value in Megajoule. For example: 5 MJ
Multiply by the conversion factor: 5 x 0.0002390057
The result is: 0.001195 tTNT

About Megajoule

The megajoule (MJ) is a unit of energy and work. One megajoule equals 1.000000 × 10^+6 joules. UnitConvertLab converts it against every other energy unit using this exact definition, so results are reproducible to full double precision rather than rounded lookup tables.

Common uses: energy calculations, engineering and science, education.

About Ton of TNT

The ton of tnt (tTNT) is a unit of energy and work. One ton of tnt equals 4.184000 × 10^+9 joules. UnitConvertLab converts it against every other energy unit using this exact definition, so results are reproducible to full double precision rather than rounded lookup tables.

Common uses: energy calculations, engineering and science, education.

Frequently Asked Questions

How many Ton of TNT are in 1 Megajoule?

There are exactly 0.0002390057 Ton of TNT in 1 Megajoule. This means the conversion factor from Megajoule to Ton of TNT is 0.0002390057.

What is the formula to convert Megajoule to Ton of TNT?

The formula to convert Megajoule to Ton of TNT is: tTNT = MJ × 0.0002390057. For example, to convert 10 Megajoule to Ton of TNT, you would multiply 10 by 0.0002390057.

What is a Megajoule?