Convert US Ton to Metric Ton (ton (US) → t)
The US short ton equals 2,000 pounds and is the standard unit for American freight, mining, and construction.
US Ton to Metric Ton Conversion Table
10 common values| US Ton | Metric Ton |
|---|---|
| 1 ton (US) | 0.907185 t |
| 5 ton (US) | 4.535924 t |
| 10 ton (US) | 9.071847 t |
| 25 ton (US) | 22.679619 t |
| 50 ton (US) | 45.359237 t |
| 100 ton (US) | 90.718474 t |
| 250 ton (US) | 226.79619 t |
| 500 ton (US) | 453.59237 t |
| 1,000 ton (US) | 907.18474 t |
| 5,000 ton (US) | 4,535.9237 t |
How to Convert US Ton to Metric Ton Manually
Step by StepConverting US tons to metric tons is straightforward: multiply by the conversion factor. Follow these three steps to do it by hand or in your head.
- 1Take your value in US tonsStart with the number of US tons (ton (US)) you want to convert.
- 2Multiply by 0.907185The conversion factor from ton (US) to t is 0.907185. Multiply your value by this number.
- 3Read the result in metric tonsThe result is your value in metric tons (t).
Formula
Multiply the value in US tons by 0.907185. For the reverse direction, multiply by 1.102311.
t = ton (US) × 0.907185ton (US) = t × 1.102311Tips
Use these in everyday conversions- 1 US short ton = 2000 lb = 907.18 kg.
- Always clarify "short ton" in US international contracts — metric partners may assume 1000 kg.
- US trucking and steel industries default to short tons; US scientific papers use metric.
Common Mistakes
Avoid these- Treating "ton" in US rail or truck freight as metric — the default is short ton.
- Using 1000 kg as a shortcut for a US short ton — 93 kg short per ton.
- Confusing short ton (907 kg) with the long ton (1016 kg) on older US paperwork.
About US Ton and Metric Ton
What is the US Ton?
The US short ton equals exactly 2,000 pounds or 907.18474 kilograms, and is the standard weight unit for American freight, mining, construction, and waste management. Its name distinguishes it from the longer UK long ton (2,240 lb). The short ton emerged in the United States during the 19th century to simplify calculations: 2,000 is a rounder number than 2,240. Today it dominates American industry — coal mining quotes production in short tons, dump trucks are rated by short-ton capacity, and the EPA tracks emissions in short tons. Imperial-to-metric confusion can be costly: in 1999, the Mars Climate Orbiter spacecraft was lost partly due to a units mismatch involving pounds and newtons. The short ton relates to the pound (2,000 lb = 1 ton), the metric ton (1 short ton ≈ 0.907 t), and the long ton (1 long ton = 1.12 short tons).
- US freight and trucking weight limits
- US coal and mining production
- US shipbuilding and heavy industry
Max legal gross weight for a US 18-wheeler is 40 short tons (36.3 t). US coal output is quoted in short tons.
What is the Metric Ton?
The metric ton (or tonne) equals exactly 1,000 kilograms and is the international standard for shipping, agriculture, construction, and industrial weight. Adopted as part of the SI system, the metric ton is used worldwide for bulk commodities (grain harvests measured in tons per hectare), vehicle and shipping container masses, freight rates, and CO₂ emissions accounting. A standard 20-foot shipping container has a maximum gross weight of about 24 metric tons. The metric ton is distinct from the US short ton (907.185 kg) and the UK long ton (1,016.047 kg). The unit's spelling differs by country — 'tonne' in British and international usage, 'metric ton' in American — but the abbreviation 't' is universal. It relates to the kilogram (1,000 kg = 1 t) and the megagram (1 Mg = 1 t).
- International shipping and freight
- Agricultural yield (grain, sugar, coffee)
- Steel, cement and industrial production
A mid-size car weighs about 1.5 t. A 20-ft shipping container holds up to 28 t. Global steel output is about 1,900 million tonnes per year.