Convert short ton (US) to metric ton.
ton-us to t — formula, reference values, and a live converter.
Convert short ton (US) (ton-us) to metric ton (t). This is a fixed-ratio conversion — multiply the input by the factor below.
Formula
t = ton-us × 0.907185
Reference values
| ton-us (short ton (US)) | t (metric ton) |
|---|---|
| 1 ton-us | 0.90718 t |
| 2 ton-us | 1.8144 t |
| 5 ton-us | 4.5359 t |
| 10 ton-us | 9.0718 t |
| 25 ton-us | 22.68 t |
| 50 ton-us | 45.359 t |
| 100 ton-us | 90.718 t |
| 500 ton-us | 453.59 t |
| 1000 ton-us | 907.18 t |
Things to watch for
- Mass and weight aren't the same thing. Pounds usually mean mass in everyday use, but force in engineering — context matters.
- The international avoirdupois pound is 0.45359237 kg (exact). Don't confuse with troy pound (0.3732 kg, used for precious metals).
- Metric tons (1000 kg) differ from US short tons (907.185 kg) and UK long tons (1016 kg). Always specify which.
What is a US (short) ton?
One US short ton equals exactly 2,000 pounds or about 907.185 kilograms. Freight and industrial weights in the United States.
What is a metric ton (tonne)?
One metric ton equals exactly 1,000 kilograms. Industrial shipping weights, vehicle and equipment masses, and large-scale agricultural and industrial output.
Real-world examples of US ton
These anchors can be useful when sizing up a value. 1 US ton is about the weight of a small car; 3 US tons is a typical pickup truck loaded with gravel.
How to convert US (short) ton to metric ton (tonne)
To convert a value from US (short) ton (ton (US)) to metric ton (tonne) (t), apply the conversion factor shown in the formula above. The calculation is the same whether you do it by hand, in a spreadsheet, or with the live converter on this page.
Steps:
- Take your input value in ton (US).
- Apply the formula
t = ton-us × 0.907185. - The result is your value in t.
For repeated calculations, save the formula in a spreadsheet or use the live converter at the top of this page — it handles the math automatically and displays the result as you type.
Frequently asked questions
How do I convert ton (US) to t?
Apply the formula ton (US) → t shown above, or just type your value into the converter at the top of this page. The result updates instantly.
Which is bigger, ton (US) or t?
This depends on the conversion ratio in the formula. If the factor multiplied by your value gives a larger number, then t is the smaller unit (so it takes more of them to express the same quantity). If the result is smaller, then t is the larger unit.
When would I use ton (US) versus t?
Both units measure mass, so the choice depends on context. Us (short) ton is typically used for shipping, scientific measurement, cooking, and commerce; metric ton (tonne) similarly. Most professional fields standardize on one or the other based on regional conventions or technical tradition.
How precise is this ton (US) to t conversion?
The conversion factor shown is the internationally defined exact value (or the best-published approximation if the relationship is irrational, like degrees-to-radians). The live converter on this page uses double-precision floating-point math, accurate to about 15 significant digits — far beyond any practical engineering need.
Is the conversion ratio exact, or an approximation?
Most unit conversions between SI metric units, and between SI and US customary units, have been formally defined as exact values since the 1959 international yard-pound agreement and subsequent SI redefinitions. Exceptions are unit pairs that involve irrational numbers (radians, e.g.) or empirical conversions (like food calories, which depend on temperature). When in doubt, consult the formula at the top of this page.
Related conversions
lb → kg
Convert pound to kilogram.
kg → st
Convert kilogram to stone.
lb → st
Convert pound to stone.
g → oz
Convert gram to ounce.
st → lb
Convert stone to pound.
kg → lb
Convert kilogram to pound.