Grains to Long Tons (gr to LT) Converter

How to convert grains to long tons

FormulaLT = gr × 6.37755102×10⁻⁸

Because one imperial ton equals 15,680,000 grains, you can also divide: LT = gr ÷ 15,680,000.

A grain is smaller than an imperial ton: it takes 15,680,000 grains to make one imperial ton.

Worked examples

1 grain1 gr × 6.37755102×10⁻⁸ = 6.37755102×10⁻⁸ LT
5 grains5 gr × 6.37755102×10⁻⁸ = 3.18877551×10⁻⁷ LT
10 grains10 gr × 6.37755102×10⁻⁸ = 6.37755102×10⁻⁷ LT
20 grains20 gr × 6.37755102×10⁻⁸ = 0.000001275510204 LT
100 grains100 gr × 6.37755102×10⁻⁸ = 0.00000637755102 LT

Grains to long tons conversion table

Values are calculated by the conversion engine and rounded to 8 significant figures.

Grains to long tons: 0.1–10 gr
Grains (gr)	Long tons (LT)
0.1 gr	6.377551×10⁻⁹ LT
0.25 gr	1.5943878×10⁻⁸ LT
0.5 gr	3.1887755×10⁻⁸ LT
1 gr	6.377551×10⁻⁸ LT
2 gr	1.2755102×10⁻⁷ LT
3 gr	1.9132653×10⁻⁷ LT
4 gr	2.5510204×10⁻⁷ LT
5 gr	3.1887755×10⁻⁷ LT
6 gr	3.8265306×10⁻⁷ LT
7 gr	4.4642857×10⁻⁷ LT
8 gr	5.1020408×10⁻⁷ LT
9 gr	5.7397959×10⁻⁷ LT
10 gr	6.377551×10⁻⁷ LT

Grains to long tons: 12–1,000 gr
Grains (gr)	Long tons (LT)
12 gr	7.6530612×10⁻⁷ LT
15 gr	9.5663265×10⁻⁷ LT
20 gr	0.0000012755102 LT
25 gr	0.0000015943878 LT
30 gr	0.0000019132653 LT
40 gr	0.0000025510204 LT
50 gr	0.0000031887755 LT
75 gr	0.0000047831633 LT
100 gr	0.000006377551 LT
250 gr	0.000015943878 LT
500 gr	0.000031887755 LT
1,000 gr	0.00006377551 LT

About the units

Grain (gr)

Exactly 64.79891 mg; 7,000 grains make a pound. Used for bullets, arrows and some medicines. One grain equals 0.00006479891 kilograms (kg).

Imperial ton (LT)

2,240 lb (1,016.0469088 kg), historically used in the UK. One imperial ton equals 1,016.046909 kilograms (kg).

Frequently asked questions

How many long tons are in one grain?

There are 6.37755102×10⁻⁸ long tons in one grain, and this value is exact by definition.

How do I convert grains to long tons?

Multiply the number of grains by 6.37755102×10⁻⁸. For example, 10 gr × 6.37755102×10⁻⁸ = 6.37755102×10⁻⁷ LT.

How many grains are in one imperial ton?

One imperial ton equals 15,680,000 grains. That is the reverse factor, 1 ÷ 6.37755102×10⁻⁸.

What is 10 grains in long tons?

10 gr = 6.37755102×10⁻⁷ LT.

Is this gr to LT converter accurate?

Yes. Both units are defined exactly in terms of SI units, so the conversion factor is exact; results are shown to 12 significant figures by default and you can change precision in the converter. Calculations run in your browser using the same tested engine that generated this page.

Grains to Long Tons Converter