Grains to Metric Tons (gr to t) Converter

How to convert grains to metric tons

Formulat = gr × 6.479891×10⁻⁸

Multiply the value in grains by 6.479891×10⁻⁸. To go the other way, multiply by 15,432,358.35 (or divide by 6.479891×10⁻⁸).

A grain is smaller than a metric ton: it takes 15,432,358.35 grains to make one metric ton.

Worked examples

1 grain1 gr × 6.479891×10⁻⁸ = 6.479891×10⁻⁸ t
5 grains5 gr × 6.479891×10⁻⁸ = 3.2399455×10⁻⁷ t
10 grains10 gr × 6.479891×10⁻⁸ = 6.479891×10⁻⁷ t
20 grains20 gr × 6.479891×10⁻⁸ = 0.0000012959782 t
100 grains100 gr × 6.479891×10⁻⁸ = 0.000006479891 t

Grains to metric tons conversion table

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

Grains to metric tons: 0.1–10 gr
Grains (gr)	Metric tons (t)
0.1 gr	6.479891×10⁻⁹ t
0.25 gr	1.6199728×10⁻⁸ t
0.5 gr	3.2399455×10⁻⁸ t
1 gr	6.479891×10⁻⁸ t
2 gr	1.2959782×10⁻⁷ t
3 gr	1.9439673×10⁻⁷ t
4 gr	2.5919564×10⁻⁷ t
5 gr	3.2399455×10⁻⁷ t
6 gr	3.8879346×10⁻⁷ t
7 gr	4.5359237×10⁻⁷ t
8 gr	5.1839128×10⁻⁷ t
9 gr	5.8319019×10⁻⁷ t
10 gr	6.479891×10⁻⁷ t

Grains to metric tons: 12–1,000 gr
Grains (gr)	Metric tons (t)
12 gr	7.7758692×10⁻⁷ t
15 gr	9.7198365×10⁻⁷ t
20 gr	0.0000012959782 t
25 gr	0.0000016199728 t
30 gr	0.0000019439673 t
40 gr	0.0000025919564 t
50 gr	0.0000032399455 t
75 gr	0.0000048599183 t
100 gr	0.000006479891 t
250 gr	0.000016199727 t
500 gr	0.000032399455 t
1,000 gr	0.00006479891 t

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).

Metric ton (t)

Exactly 1,000 kg. Used worldwide for vehicles, cargo and commodities; about 10% more than a US short ton.

Frequently asked questions

How many metric tons are in one grain?

There are 6.479891×10⁻⁸ metric tons in one grain, and this value is exact by definition.

How do I convert grains to metric tons?

Multiply the number of grains by 6.479891×10⁻⁸. For example, 10 gr × 6.479891×10⁻⁸ = 6.479891×10⁻⁷ t.

How many grains are in one metric ton?

One metric ton equals 15,432,358.35 grains. That is the reverse factor, 1 ÷ 6.479891×10⁻⁸.

What is 10 grains in metric tons?

10 gr = 6.479891×10⁻⁷ t.

Is this gr to t 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 Metric Tons Converter