Grains to US Tons (gr to ton) Converter

How to convert grains to US tons

Formulaton = gr × 7.142857143×10⁻⁸

Multiply the value in grains by 7.142857143×10⁻⁸. To go the other way, multiply by 14,000,000 (or divide by 7.142857143×10⁻⁸).

A grain is smaller than an US ton: it takes 14,000,000 grains to make one US ton.

Worked examples

1 grain1 gr × 7.142857143×10⁻⁸ = 7.142857143×10⁻⁸ ton
5 grains5 gr × 7.142857143×10⁻⁸ = 3.571428571×10⁻⁷ ton
10 grains10 gr × 7.142857143×10⁻⁸ = 7.142857143×10⁻⁷ ton
20 grains20 gr × 7.142857143×10⁻⁸ = 0.000001428571429 ton
100 grains100 gr × 7.142857143×10⁻⁸ = 0.000007142857143 ton

Grains to US tons conversion table

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

Grains to US tons: 0.1–10 gr
Grains (gr)	US tons (ton)
0.1 gr	7.1428571×10⁻⁹ ton
0.25 gr	1.7857143×10⁻⁸ ton
0.5 gr	3.5714286×10⁻⁸ ton
1 gr	7.1428571×10⁻⁸ ton
2 gr	1.4285714×10⁻⁷ ton
3 gr	2.1428571×10⁻⁷ ton
4 gr	2.8571429×10⁻⁷ ton
5 gr	3.5714286×10⁻⁷ ton
6 gr	4.2857143×10⁻⁷ ton
7 gr	5×10⁻⁷ ton
8 gr	5.7142857×10⁻⁷ ton
9 gr	6.4285714×10⁻⁷ ton
10 gr	7.1428571×10⁻⁷ ton

Grains to US tons: 12–1,000 gr
Grains (gr)	US tons (ton)
12 gr	8.5714286×10⁻⁷ ton
15 gr	0.0000010714286 ton
20 gr	0.0000014285714 ton
25 gr	0.0000017857143 ton
30 gr	0.0000021428571 ton
40 gr	0.0000028571429 ton
50 gr	0.0000035714286 ton
75 gr	0.0000053571429 ton
100 gr	0.0000071428571 ton
250 gr	0.000017857143 ton
500 gr	0.000035714286 ton
1,000 gr	0.000071428571 ton

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).

US ton (ton)

2,000 lb (907.18474 kg). The usual meaning of “ton” in the United States.

Frequently asked questions

How many US tons are in one grain?

There are 7.142857143×10⁻⁸ US tons in one grain, and this value is exact by definition.

How do I convert grains to US tons?

Multiply the number of grains by 7.142857143×10⁻⁸. For example, 10 gr × 7.142857143×10⁻⁸ = 7.142857143×10⁻⁷ ton.

How many grains are in one US ton?

One US ton equals 14,000,000 grains. That is the reverse factor, 1 ÷ 7.142857143×10⁻⁸.

What is 10 grains in US tons?

10 gr = 7.142857143×10⁻⁷ ton.

Is this gr to ton 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 US Tons Converter