Kiloton of TNT to Megaton of TNT Converter

Energy Converter

27 units available

Decimals:

From

To

0.001

1 ktTNT = 0.001 MtTNT

Formula:

MtTNT = ktTNT × 0.001

With your value: 1 ktTNT = 0.001 MtTNT

How big is that?

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

Heartbeat (1/4.2e+12 your value)2.39e-13 ktTNT

AA battery charge (1/4.2e+8 your value)2.39e-9 ktTNT

Slice of bread (1/1.5e+7 your value)6.69e-8 ktTNT

Daily food intake (1/5.0e+5 your value)0.00000201 ktTNT

Litre of petrol (1/1.2e+5 your value)0.00000817 ktTNT

Your value1.00 ktTNT

Other Kiloton of TNT to Megaton of TNT conversions

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

Kiloton of TNT to Megaton of TNT Conversion Table

Kiloton of TNT (ktTNT)	Megaton of TNT (MtTNT)
0.5	0.0005
1	0.001
2	0.002
5	0.005
10	0.01
15	0.015
20	0.02
25	0.025
50	0.05
100	0.1
250	0.25
500	0.5
1000	1

Megaton of TNT to Kiloton of TNT Conversion Table

Megaton of TNT (MtTNT)	Kiloton of TNT (ktTNT)
0.5	500
1	1,000
2	2,000
5	5,000
10	10,000
15	15,000
20	20,000
25	25,000
50	50,000
100	100,000
250	250,000
500	500,000
1000	1,000,000

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.

Kiloton of TNT (ktTNT)

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 Kiloton of TNT to Megaton of TNT

To convert from Kiloton of TNT (ktTNT) to Megaton of TNT (MtTNT), multiply the value by 0.001.

Formula: MtTNT = ktTNT × 0.001

Reverse: ktTNT = MtTNT × 1,000

Step-by-Step Example

Start with your value in Kiloton of TNT. For example: 5 ktTNT
Multiply by the conversion factor: 5 x 0.001
The result is: 0.005 MtTNT

About Kiloton of TNT

The kiloton of tnt (ktTNT) is a unit of energy and work. One kiloton of tnt equals 4.184000 × 10^+12 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 Kiloton of TNT?

There are exactly 0.001 Megaton of TNT in 1 Kiloton of TNT. This means the conversion factor from Kiloton of TNT to Megaton of TNT is 0.001.

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

The formula to convert Kiloton of TNT to Megaton of TNT is: MtTNT = ktTNT × 0.001. For example, to convert 10 Kiloton of TNT to Megaton of TNT, you would multiply 10 by 0.001.

What is a Kiloton of TNT?