Grams to kilotonnes of TNT
Type a value in g to get it in kt instantly.
21.48kt
That's about the same as a paperclip. That energy would run about 7,133 homes for a year.
What it means
How much energy is that?
This is the full rest energy. No process releases all of it: fission converts about 0.1% of the fuel’s mass, and chemical burning around a billionth.
The math
How to convert g to kt
To convert grams to kilotonnes of TNT, multiply by 21.4808.
Example: 1 g × 21.4808 = 21.4808 kt.
In the other direction, 1 kt = 0.0465533 g.
Every unit
Your mass in every unit
Tables
g to kt conversion table
| g | kt |
|---|---|
| 1×10⁻³⁰ g | 2.148×10⁻²⁹ kt |
| 1×10⁻²⁰ g | 2.148×10⁻¹⁹ kt |
| 1×10⁻¹⁰ g | 2.148×10⁻⁹ kt |
| 1×10⁻⁶ g | 2.148×10⁻⁵ kt |
| 0.001 g | 0.0214808 kt |
| 1 g | 21.4808 kt |
| 10 g | 214.808 kt |
| 1,000 g | 21,480.8 kt |
| 1,000,000 g | 21,480,800 kt |
kt to g conversion table
| kt | g |
|---|---|
| 1×10⁻³⁰ kt | 4.655×10⁻³² g |
| 1×10⁻²⁰ kt | 4.655×10⁻²² g |
| 1×10⁻¹⁰ kt | 4.655×10⁻¹² g |
| 1×10⁻⁶ kt | 4.655×10⁻⁸ g |
| 0.001 kt | 4.655×10⁻⁵ g |
| 1 kt | 0.0465533 g |
| 10 kt | 0.465533 g |
| 1,000 kt | 46.5533 g |
| 1,000,000 kt | 46,553.3 g |
Quick answers
Quick answers
- How many kt is 1 g?
- 1 g is 21.4808 kt.
- How many kt is 10 g?
- 10 g is 214.808 kt.
The units
About these units
Grams (g)
A gram is 89.9 terajoules, or 21.5 kilotonnes of TNT.
Kilotonnes of TNT (kt)
A thousand tonnes of TNT, the unit of nuclear yield.
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