This converter turns US tons into long tons instantly, using the exact factor 1 US ton = 0.8928571429 long 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 short ton: 2,000 pounds, the standard ton in the United States. The long ton: 2,240 pounds, historically used in the UK and for shipping displacement.
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
US tons- The amount you are converting, measured in US tons
0.8928571429- The exact number of long tons in one US ton
long tons- The converted result
How it works, step by step
- Enter the number of US tons you want to convert.
- The value is multiplied by 0.8928571429, the exact conversion factor.
- The result is displayed in long tons, rounded for readability.
- The unrounded value and the reverse conversion appear underneath so you can verify it.
Worked examples
Converting 5 US tons
Multiply 5 by 0.89285714. That gives 4.4643 long tons. A quick sanity check: one US ton is smaller than one long ton, so the number should get smaller — and it does.
Converting 72 US tons
72 × 0.89285714 = 64.2857 long tons. Working backwards, 64.2857 ÷ 0.89285714 returns 72 US tons, which confirms the factor is applied the right way round.
How to read your score
Frequently asked questions
How many long tons are in one US ton?
Exactly 0.8928571429. 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 US tons to long tons?
Long Tons = US tons × 0.8928571429. To reverse it, divide instead: US tons = long tons ÷ 0.8928571429, which is the same as multiplying by 1.12.
Is the US ton bigger than the long ton?
No. One US ton is only 0.892857 of a long ton, so the long ton is the larger unit.
Why does my answer differ slightly from other us-tons to uk-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 US ton?
The short ton: 2,000 pounds, the standard ton in the United States.
What is a long ton?
The long ton: 2,240 pounds, historically used in the UK and for shipping displacement.
Us Tons to long tons reference table
| Us Tons | Long Tons |
|---|---|
| 0.5 ton | 0.446429 ton |
| 1 ton | 0.892857 ton |
| 2 ton | 1.7857 ton |
| 3 ton | 2.6786 ton |
| 5 ton | 4.4643 ton |
| 10 ton | 8.9286 ton |
| 15 ton | 13.3929 ton |
| 20 ton | 17.8571 ton |
| 25 ton | 22.3214 ton |
| 50 ton | 44.6429 ton |
| 75 ton | 66.9643 ton |
| 100 ton | 89.2857 ton |
| 250 ton | 223.2143 ton |
| 500 ton | 446.4286 ton |
| 1000 ton | 892.8571 ton |
Exact factor: 1 US ton = 0.8928571429 long tons. Values rounded for display.