This converter turns tonnes into US tons instantly, using the exact factor 1 tonne = 1.102311311 US tons. Type any number and the result updates as you go — nothing is sent to a server, so the arithmetic happens entirely in your browser.
The metric ton: exactly 1,000 kilograms, used for freight and vehicle mass. The short ton: 2,000 pounds, the standard ton in the United States.
Because the relationship is a simple proportion, one multiplication does the whole job. The table further down gives pre-computed values for the amounts people look up most often, and the result panel also reports the reverse conversion so you can check the figure both ways.
The formula
tonnes- The amount you are converting, measured in tonnes
1.102311311- The exact number of US tons in one tonne
US tons- The converted result
How it works, step by step
- Enter the number of tonnes you want to convert.
- The value is multiplied by 1.102311311, the exact conversion factor.
- The result is displayed in US tons, rounded for readability.
- The unrounded value and the reverse conversion appear underneath so you can verify it.
Worked examples
Converting 5 tonnes
Multiply 5 by 1.1023113. That gives 5.5116 US tons. A quick sanity check: one tonne is larger than one US ton, so the number should get bigger — and it does.
Converting 72 tonnes
72 × 1.1023113 = 79.3664 US tons. Working backwards, 79.3664 ÷ 1.1023113 returns 72 tonnes, which confirms the factor is applied the right way round.
How to read your score
Frequently asked questions
How many US tons are in one tonne?
Exactly 1.102311311. Every conversion on this page is that single number multiplied by your input, so the result carries no rounding error beyond what is shown.
What is the formula to convert tonnes to US tons?
Us Tons = tonnes × 1.102311311. To reverse it, divide instead: tonnes = US tons ÷ 1.102311311, which is the same as multiplying by 0.90718474.
Is the tonne bigger than the US ton?
Yes. One tonne equals 1.10231 US tons, so it is the larger unit.
Why does my answer differ slightly from other tonnes to us-tons converters?
Most differences come from rounding the factor too early. This tool keeps full double precision through the calculation and only rounds at the final display step, and it also shows the unrounded value so you can see exactly where any difference appears.
What is a tonne?
The metric ton: exactly 1,000 kilograms, used for freight and vehicle mass.
What is a US ton?
The short ton: 2,000 pounds, the standard ton in the United States.
Tonnes to US tons reference table
| Tonnes | Us Tons |
|---|---|
| 0.5 t | 0.551156 ton |
| 1 t | 1.1023 ton |
| 2 t | 2.2046 ton |
| 3 t | 3.3069 ton |
| 5 t | 5.5116 ton |
| 10 t | 11.0231 ton |
| 15 t | 16.5347 ton |
| 20 t | 22.0462 ton |
| 25 t | 27.5578 ton |
| 50 t | 55.1156 ton |
| 75 t | 82.6733 ton |
| 100 t | 110.2311 ton |
| 250 t | 275.5778 ton |
| 500 t | 551.1557 ton |
| 1000 t | 1,102.31 ton |
Exact factor: 1 tonne = 1.102311311 US tons. Values rounded for display.