Grains to Pounds (gr to lb) Converter

How to convert grains to pounds

Formulalb = gr × 0.0001428571429

Because one pound equals 7,000 grains, you can also divide: lb = gr ÷ 7,000.

A grain is smaller than a pound: it takes 7,000 grains to make one pound.

Worked examples

1 grain1 gr × 0.0001428571429 = 0.0001428571429 lb
5 grains5 gr × 0.0001428571429 = 0.0007142857143 lb
10 grains10 gr × 0.0001428571429 = 0.001428571429 lb
20 grains20 gr × 0.0001428571429 = 0.002857142857 lb
100 grains100 gr × 0.0001428571429 = 0.01428571429 lb

Grains to pounds conversion table

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

Grains to pounds: 0.1–10 gr
Grains (gr)	Pounds (lb)
0.1 gr	0.000014285714 lb
0.25 gr	0.000035714286 lb
0.5 gr	0.000071428571 lb
1 gr	0.00014285714 lb
2 gr	0.00028571429 lb
3 gr	0.00042857143 lb
4 gr	0.00057142857 lb
5 gr	0.00071428571 lb
6 gr	0.00085714286 lb
7 gr	0.001 lb
8 gr	0.0011428571 lb
9 gr	0.0012857143 lb
10 gr	0.0014285714 lb

Grains to pounds: 12–1,000 gr
Grains (gr)	Pounds (lb)
12 gr	0.0017142857 lb
15 gr	0.0021428571 lb
20 gr	0.0028571429 lb
25 gr	0.0035714286 lb
30 gr	0.0042857143 lb
40 gr	0.0057142857 lb
50 gr	0.0071428571 lb
75 gr	0.010714286 lb
100 gr	0.014285714 lb
250 gr	0.035714286 lb
500 gr	0.071428571 lb
1,000 gr	0.14285714 lb

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).

Pound (lb)

The avoirdupois pound, exactly 0.45359237 kg, divided into 16 ounces. The standard US unit for body weight and groceries.

Frequently asked questions

How many pounds are in one grain?

There are 0.0001428571429 pounds in one grain, and this value is exact by definition.

How do I convert grains to pounds?

Multiply the number of grains by 0.0001428571429. For example, 10 gr × 0.0001428571429 = 0.001428571429 lb.

How many grains are in one pound?

One pound equals 7,000 grains. That is the reverse factor, 1 ÷ 0.0001428571429.

What is 10 grains in pounds?

10 gr = 0.001428571429 lb.

Is this gr to lb 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 Pounds Converter