Ton of TNT to Gigajoule Converter

Energy Converter

27 units available

Decimals:

From

To

4.184

1 tTNT = 4.184 GJ

Formula:

GJ = tTNT × 4.184

With your value: 1 tTNT = 4.184 GJ

How big is that?

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

Heartbeat (1/4.2e+9 your value)2.39e-10 tTNT

AA battery charge (1/4.2e+5 your value)0.00000239 tTNT

Slice of bread (1/1.5e+4 your value)0.0000669 tTNT

Daily food intake (1/5.0e+2 your value)0.00201 tTNT

Litre of petrol (1/1.2e+2 your value)0.00817 tTNT

Your value1.00 tTNT

Other Ton of TNT to Gigajoule conversions

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

Ton of TNT to Gigajoule Conversion Table

Ton of TNT (tTNT)	Gigajoule (GJ)
0.5	2.092
1	4.184
2	8.368
5	20.92
10	41.84
15	62.76
20	83.68
25	104.6
50	209.2
100	418.4
250	1,046
500	2,092
1000	4,184

Gigajoule to Ton of TNT Conversion Table

Gigajoule (GJ)	Ton of TNT (tTNT)
0.5	0.119503
1	0.239006
2	0.478011
5	1.195029
10	2.390057
15	3.585086
20	4.780115
25	5.975143
50	11.950287
100	23.900574
250	59.751434
500	119.502868
1000	239.005736

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.

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

Gigajoule (GJ)

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 Ton of TNT to Gigajoule

To convert from Ton of TNT (tTNT) to Gigajoule (GJ), multiply the value by 4.184.

Formula: GJ = tTNT × 4.184

Reverse: tTNT = GJ × 0.2390057361

Step-by-Step Example

Start with your value in Ton of TNT. For example: 5 tTNT
Multiply by the conversion factor: 5 x 4.184
The result is: 20.92 GJ

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.

About Gigajoule

The gigajoule (GJ) is a unit of energy and work. One gigajoule equals 1.000000 × 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 Gigajoule are in 1 Ton of TNT?

There are exactly 4.184 Gigajoule in 1 Ton of TNT. This means the conversion factor from Ton of TNT to Gigajoule is 4.184.

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

The formula to convert Ton of TNT to Gigajoule is: GJ = tTNT × 4.184. For example, to convert 10 Ton of TNT to Gigajoule, you would multiply 10 by 4.184.

What is a Ton of TNT?