Ton of TNT to Therm Converter

Energy Converter

27 units available

Decimals:

From

To

39.656668

1 tTNT = 39.656668 thm

Formula:

thm = tTNT × 39.6566683139

With your value: 1 tTNT = 39.65666831 thm

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 Therm conversions

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

Ton of TNT to Therm Conversion Table

Ton of TNT (tTNT)	Therm (thm)
0.5	19.828334
1	39.656668
2	79.313337
5	198.283342
10	396.566683
15	594.850025
20	793.133366
25	991.416708
50	1,982.833416
100	3,965.666831
250	9,914.167078
500	19,828.334157
1000	39,656.668314

Therm to Ton of TNT Conversion Table

Therm (thm)	Ton of TNT (tTNT)
0.5	0.012608
1	0.025216
2	0.050433
5	0.126082
10	0.252164
15	0.378247
20	0.504329
25	0.630411
50	1.260822
100	2.521644
250	6.30411
500	12.60822
1000	25.21644

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

Therm (thm)

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 Therm

To convert from Ton of TNT (tTNT) to Therm (thm), multiply the value by 39.6566683139.

Formula: thm = tTNT × 39.6566683139

Reverse: tTNT = thm × 0.0252164401

Step-by-Step Example

Start with your value in Ton of TNT. For example: 5 tTNT
Multiply by the conversion factor: 5 x 39.6566683139
The result is: 198.283342 thm

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 Therm

The therm (thm) is a unit of energy and work. One therm equals 1.055056 × 10^+8 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 Therm are in 1 Ton of TNT?

There are exactly 39.6566683139 Therm in 1 Ton of TNT. This means the conversion factor from Ton of TNT to Therm is 39.6566683139.

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

The formula to convert Ton of TNT to Therm is: thm = tTNT × 39.6566683139. For example, to convert 10 Ton of TNT to Therm, you would multiply 10 by 39.6566683139.

What is a Ton of TNT?