To convert us tons to tonnes, multiply by 0.90718474.
The calculation uses 1 ton = 0.90718474 t. Results are displayed to at most 10 significant digits. Definitions can be exact while a displayed decimal is rounded. Match the displayed precision to your original measurement.
The formula
value in t = value in ton × 0.90718474
ton- Input unit: us tons
t- Output unit: tonnes
How to use this calculator
- Enter a value in ton.
- Multiply by the stored conversion factor.
- Read the result in t; divide by the same factor to convert back.
Worked examples
Worked conversion
1 ton × 0.90718474 ≈ 0.90718474 t.
Reverse conversion
0.90718474 t ÷ 0.90718474 ≈ 1 ton. Rounding intermediate values can change the last displayed digit.
Frequently asked questions
What factor does this converter use?
It uses 0.90718474 t per ton.
Why can another converter show a slightly different answer?
Check the unit convention first (such as US versus Imperial or decimal versus binary), then compare rounding. Measurement uncertainty is separate from the unit conversion.
ton to t table
| ton | t (rounded) |
|---|---|
| 0 | 0 |
| 1 | 0.90718474 |
| 2 | 1.81436948 |
| 5 | 4.5359237 |
| 10 | 9.0718474 |
| 100 | 90.718474 |
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