Convert carats to US tons
1 ct = 2.2046 × 10^-7 ton. Change the amount below, or read the formula and the reference table further down.
1 carat equals
US tons
1 ct = 2.2046 × 10^-7 ton
The formula
Carats and US tons both measure weight & mass from the same zero, so a single multiplier does the job.
ton = ct × 2.2046 × 10^-7
Going the other way? Convert US tons to carats.
Carats to US tons table
Common values, rounded for reading.
| Carats (ct) | US tons (ton) |
|---|---|
| 1 | 2.2046 × 10^-7 |
| 2 | 4.4092 × 10^-7 |
| 3 | 6.6139 × 10^-7 |
| 4 | 8.8185 × 10^-7 |
| 5 | 0.000001 |
| 6 | 0.000001 |
| 7 | 0.000002 |
| 8 | 0.000002 |
| 9 | 0.000002 |
| 10 | 0.000002 |
| 15 | 0.000003 |
| 20 | 0.000004 |
| 25 | 0.000006 |
| 30 | 0.000007 |
| 40 | 0.000009 |
| 50 | 0.000011 |
| 75 | 0.000017 |
| 100 | 0.000022 |
| 250 | 0.000055 |
| 500 | 0.00011 |
| 1,000 | 0.00022 |
Questions people ask
- How many US tons are in a carat?
- One carat equals 2.2046 × 10^-7 US tons.
- How do I convert carats to US tons by hand?
- Multiply the number of carats by 2.2046 × 10^-7. For a rough check, 2.2046 × 10^-7 is close enough for most everyday use.
- What is 1 carat in US tons?
- 1 carat is 2.2046 × 10^-7 US tons.
Calcuit generates this page from a unit table, so the factors here match every other page on the site.