Kilojoule to Megaton of TNT Converter

Energy Converter

27 units available

Decimals:

From

To

2.390057e-13

1 kJ = 2.390057e-13 MtTNT

Formula:

MtTNT = kJ × 2.390057e-13

With your value: 1 kJ = 2.390057e-13 MtTNT

How big is that?

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

Heartbeat (1/1.0e+3 your value)0.00100 kJ

Your value1.00 kJ

AA battery charge (10× your value)10.0 kJ

Slice of bread (2.8e+2× your value)280 kJ

Daily food intake (8.4e+3× your value)8.40e+3 kJ

Litre of petrol (3.4e+4× your value)3.42e+4 kJ

Other Kilojoule to Megaton of TNT conversions

2 kJ to MtTNT 3 kJ to MtTNT 4 kJ to MtTNT 5 kJ to MtTNT 6 kJ to MtTNT 7 kJ to MtTNT 8 kJ to MtTNT

Kilojoule to Megaton of TNT Conversion Table

Kilojoule (kJ)	Megaton of TNT (MtTNT)
0.5	1.195029e-13
1	2.390057e-13
2	4.780115e-13
5	1.195029e-12
10	2.390057e-12
15	3.585086e-12
20	4.780115e-12
25	5.975143e-12
50	1.195029e-11
100	2.390057e-11
250	5.975143e-11
500	1.195029e-10
1000	2.390057e-10

Megaton of TNT to Kilojoule Conversion Table

Megaton of TNT (MtTNT)	Kilojoule (kJ)
0.5	2.092000e+12
1	4.184000e+12
2	8.368000e+12
5	2.092000e+13
10	4.184000e+13
15	6.276000e+13
20	8.368000e+13
25	1.046000e+14
50	2.092000e+14
100	4.184000e+14
250	1.046000e+15
500	2.092000e+15
1000	4.184000e+15

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.

Kilojoule (kJ)

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

Megaton of TNT (MtTNT)

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 Kilojoule to Megaton of TNT

To convert from Kilojoule (kJ) to Megaton of TNT (MtTNT), multiply the value by 2.390057e-13.

Formula: MtTNT = kJ × 2.390057e-13

Reverse: kJ = MtTNT × 4.184000e+12

Step-by-Step Example

Start with your value in Kilojoule. For example: 5 kJ
Multiply by the conversion factor: 5 x 2.390057e-13
The result is: 1.195029e-12 MtTNT

About Kilojoule

The kilojoule (kJ) is a unit of energy and work. One kilojoule equals 1000 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 Megaton of TNT

The megaton of tnt (MtTNT) is a unit of energy and work. One megaton of tnt equals 4.184000 × 10^+15 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 Megaton of TNT are in 1 Kilojoule?

There are exactly 2.390057e-13 Megaton of TNT in 1 Kilojoule. This means the conversion factor from Kilojoule to Megaton of TNT is 2.390057e-13.

What is the formula to convert Kilojoule to Megaton of TNT?

The formula to convert Kilojoule to Megaton of TNT is: MtTNT = kJ × 2.390057e-13. For example, to convert 10 Kilojoule to Megaton of TNT, you would multiply 10 by 2.390057e-13.

What is a Kilojoule?