Calorie (th) to Ton of TNT Converter

Energy Converter

27 units available

Decimals:

From

To

1.000000e-9

1 cal = 1.000000e-9 tTNT

Formula:

tTNT = cal × 1.000000e-9

With your value: 1 cal = 1.000000e-9 tTNT

How big is that?

Everyday references on a logarithmic scale, all expressed in calorie (th) so you can sanity-check the result.

Heartbeat (1/4.2 your value)0.239 cal

Your value1.00 cal

AA battery charge (2.4e+3× your value)2.39e+3 cal

Slice of bread (6.7e+4× your value)6.69e+4 cal

Daily food intake (2.0e+6× your value)2.01e+6 cal

Litre of petrol (8.2e+6× your value)8.17e+6 cal

Other Calorie (th) to Ton of TNT conversions

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

Calorie (th) to Ton of TNT Conversion Table

Calorie (th) (cal)	Ton of TNT (tTNT)
0.5	5.000000e-10
1	1.000000e-9
2	2.000000e-9
5	5.000000e-9
10	1.000000e-8
15	1.500000e-8
20	2.000000e-8
25	2.500000e-8
50	5.000000e-8
100	1.000000e-7
250	2.500000e-7
500	5.000000e-7
1000	1.000000e-6

Ton of TNT to Calorie (th) Conversion Table

Ton of TNT (tTNT)	Calorie (th) (cal)
0.5	500,000,000
1	1,000,000,000
2	2,000,000,000
5	5,000,000,000
10	10,000,000,000
15	15,000,000,000
20	20,000,000,000
25	25,000,000,000
50	50,000,000,000
100	100,000,000,000
250	250,000,000,000
500	500,000,000,000
1000	1.000000e+12

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.

Calorie (th) (cal)

Energy

Exact conversion

The thermochemical calorie is exactly 4.184 J.

The International Table calorie (4.1868 J) and the 15 °C calorie differ slightly.

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 Calorie (th) to Ton of TNT

To convert from Calorie (th) (cal) to Ton of TNT (tTNT), multiply the value by 1.000000e-9.

Formula: tTNT = cal × 1.000000e-9

Reverse: cal = tTNT × 1.000000e+9

Step-by-Step Example

Start with your value in Calorie (th). For example: 5 cal
Multiply by the conversion factor: 5 x 1.000000e-9
The result is: 5.000000e-9 tTNT

About Calorie (th)

The thermochemical calorie equals 4.184 joules. Not to be confused with the food Calorie (kcal), which equals 1,000 calories.

Common uses: chemistry, nutrition, heating.

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 Calorie (th)?

There are exactly 1.000000e-9 Ton of TNT in 1 Calorie (th). This means the conversion factor from Calorie (th) to Ton of TNT is 1.000000e-9.

What is the formula to convert Calorie (th) to Ton of TNT?

The formula to convert Calorie (th) to Ton of TNT is: tTNT = cal × 1.000000e-9. For example, to convert 10 Calorie (th) to Ton of TNT, you would multiply 10 by 1.000000e-9.

What is a Calorie (th)?