US Tons to Kilograms Converter
Convert US short tons to kilograms — a short ton is 907.18 kg. Results update as you type; exact factors shown.
One US ton (short) is 907.1847 kilograms — see the exact factor, not a rounded rule of thumb.
How the us tons to kilograms converter works
Mass converts through the kilogram. The avoirdupois pound has been exactly 0.45359237 kg since 1959, so an ounce is 28.349523125 g and a stone (14 lb) is 6.35029318 kg. A US short ton is 2,000 lb; an imperial long ton is 2,240 lb; a metric tonne is 1,000 kg.
The US uses customary units (US gallon, short ton, °F) in daily life; NIST SP 811 gives the exact SI factors.
Common mass conversions
| From | To | Units |
|---|---|---|
| 0.25 US ton | 226.7962 kg | US ton (short) to kilograms |
| 0.5 US ton | 453.5924 kg | US ton (short) to kilograms |
| 1 US ton | 907.1847 kg | US ton (short) to kilograms |
| 1.5 US ton | 1,360.7771 kg | US ton (short) to kilograms |
| 2 US ton | 1,814.3695 kg | US ton (short) to kilograms |
| 3 US ton | 2,721.5542 kg | US ton (short) to kilograms |
| 5 US ton | 4,535.9237 kg | US ton (short) to kilograms |
| 10 US ton | 9,071.8474 kg | US ton (short) to kilograms |
| 20 US ton | 18,143.6948 kg | US ton (short) to kilograms |
| 50 US ton | 45,359.237 kg | US ton (short) to kilograms |
| 100 US ton | 90,718.474 kg | US ton (short) to kilograms |
| 1,000 US ton | 907,184.74 kg | US ton (short) to kilograms |
Units in this converter and their exact factors
| Unit | Symbol | One unit in kilograms |
|---|---|---|
| milligram | mg | 0.000001 kilogram |
| gram | g | 0.001 kilogram |
| kilogram | kg | 1 kilogram |
| tonne (metric ton) | t | 1,000 kilogram |
| ounce | oz | 0.0283495231 kilogram |
| pound | lb | 0.45359237 kilogram |
| stone | st | 6.35029318 kilogram |
| US ton (short) | US ton | 907.18474 kilogram |
| imperial ton (long) | long ton | 1,016.0469088 kilogram |
FAQFrequently asked questions about mass conversion
How many kg in a US ton?
907.185 kg — a short ton of 2,000 pounds.
How is that different from a tonne?
A metric tonne is 1,000 kg, about 10% heavier than a short ton.
What is a long ton?
The UK ton of 2,240 pounds, or 1,016 kg — heavier than both.
Which ton does shipping use?
Metric tonnes almost universally, which is why documents specify.
What is 1 US ton in tonnes?
0.907 tonnes.
Where these figures come from
- BIPM — The International System of Units (SI Brochure, 9th edition) — definitions of the base and derived units.
- NIST Special Publication 811 — Guide for the Use of the International System of Units — the exact conversion factors used here.
- National Institute of Standards and Technology (NIST) — United States's national measurement authority.
Last checked: September 2026. Conversion factors are fixed by definition and do not change with tax years or regulations.