This converter turns grams into long tons instantly, using the exact factor 1 gram = 9.842065276e-07 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.
One thousandth of a kilogram — the workhorse unit of cooking and postage. 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
grams- The amount you are converting, measured in grams
9.842065276e-07- The exact number of long tons in one gram
long tons- The converted result
How it works, step by step
- Enter the number of grams you want to convert.
- The value is multiplied by 9.842065276e-07, 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 grams
Multiply 5 by 9.8420653e-07. That gives 0.000005 long tons. A quick sanity check: one gram is smaller than one long ton, so the number should get smaller — and it does.
Converting 72 grams
72 × 9.8420653e-07 = 0.000071 long tons. Working backwards, 0.000071 ÷ 9.8420653e-07 returns 72 grams, 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 gram?
Exactly 9.842065276e-07. 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 grams to long tons?
Long Tons = grams × 9.842065276e-07. To reverse it, divide instead: grams = long tons ÷ 9.842065276e-07, which is the same as multiplying by 1016046.909.
Is the gram bigger than the long ton?
No. One gram is only 9.84207e-07 of a long ton, so the long ton is the larger unit.
Why does my answer differ slightly from other grams 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 gram?
One thousandth of a kilogram — the workhorse unit of cooking and postage.
What is a long ton?
The long ton: 2,240 pounds, historically used in the UK and for shipping displacement.
Grams to long tons reference table
| Grams | Long Tons |
|---|---|
| 0.5 g | 4.9210e-07 ton |
| 1 g | 9.8421e-07 ton |
| 2 g | 0.000002 ton |
| 3 g | 0.000003 ton |
| 5 g | 0.000005 ton |
| 10 g | 0.00001 ton |
| 15 g | 0.000015 ton |
| 20 g | 0.00002 ton |
| 25 g | 0.000025 ton |
| 50 g | 0.000049 ton |
| 75 g | 0.000074 ton |
| 100 g | 0.000098 ton |
| 250 g | 0.000246 ton |
| 500 g | 0.000492 ton |
| 1000 g | 0.000984 ton |
Exact factor: 1 gram = 9.842065276e-07 long tons. Values rounded for display.