This converter turns kilograms into long tons instantly, using the exact factor 1 kilogram = 0.0009842065276 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 SI base unit of mass, redefined in 2019 in terms of the Planck constant. 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
kilograms- The amount you are converting, measured in kilograms
0.0009842065276- The exact number of long tons in one kilogram
long tons- The converted result
How it works, step by step
- Enter the number of kilograms you want to convert.
- The value is multiplied by 0.0009842065276, 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 kilograms
Multiply 5 by 0.00098420653. That gives 0.004921 long tons. A quick sanity check: one kilogram is smaller than one long ton, so the number should get smaller — and it does.
Converting 72 kilograms
72 × 0.00098420653 = 0.070863 long tons. Working backwards, 0.070863 ÷ 0.00098420653 returns 72 kilograms, 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 kilogram?
Exactly 0.0009842065276. 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 kilograms to long tons?
Long Tons = kilograms × 0.0009842065276. To reverse it, divide instead: kilograms = long tons ÷ 0.0009842065276, which is the same as multiplying by 1016.046909.
Is the kilogram bigger than the long ton?
No. One kilogram is only 0.000984207 of a long ton, so the long ton is the larger unit.
Why does my answer differ slightly from other kg 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 kilogram?
The SI base unit of mass, redefined in 2019 in terms of the Planck constant.
What is a long ton?
The long ton: 2,240 pounds, historically used in the UK and for shipping displacement.
Kilograms to long tons reference table
| Kilograms | Long Tons |
|---|---|
| 0.5 kg | 0.000492 ton |
| 1 kg | 0.000984 ton |
| 2 kg | 0.001968 ton |
| 3 kg | 0.002953 ton |
| 5 kg | 0.004921 ton |
| 10 kg | 0.009842 ton |
| 15 kg | 0.014763 ton |
| 20 kg | 0.019684 ton |
| 25 kg | 0.024605 ton |
| 50 kg | 0.04921 ton |
| 75 kg | 0.073815 ton |
| 100 kg | 0.098421 ton |
| 250 kg | 0.246052 ton |
| 500 kg | 0.492103 ton |
| 1000 kg | 0.984207 ton |
Exact factor: 1 kilogram = 0.0009842065276 long tons. Values rounded for display.