Pounds to grains (lb to gr)
Convert pounds to grains. For mass, 1 lb equals 7000 gr.
Converter
lb to gr conversion table
| Pounds | Grains |
|---|---|
| 1 lb | 7000 gr |
| 2 lb | 14000 gr |
| 5 lb | 35000 gr |
| 10 lb | 70000 gr |
| 25 lb | 175000 gr |
| 50 lb | 350000 gr |
| 100 lb | 700000 gr |
| 1000 lb | 7000000 gr |
Formula
gr = lb × 7000
Worked example
25 lb × 7000 = 175000 gr
Popular conversion examples
Choose an example to open this converter with the value filled in. These are useful examples, not a claim about search rankings.
- 1 lb to gr = 7000 gr
- 5 lb to gr = 35000 gr
- 100 lb to gr = 700000 gr
- 10 lb to gr = 70000 gr
- 1 gr to lb = 0.000142857 lb
- 200 gr to lb = 0.0285714 lb
About pounds and grains
Pound (lb)
The avoirdupois pound is defined as exactly 0.45359237 kilograms. It is used for body weight, groceries and shipping in the US and UK.
Grain (gr)
The grain is exactly 1/7000 of an avoirdupois pound (64.79891 milligrams). It is used for ammunition propellant and bullet weights, and in some pharmacy and jewelry contexts.
Both are units of mass; the base unit used internally is kg.
Notes
- Ounces and pounds are avoirdupois units of mass (1 lb = 0.45359237 kg exactly).
- The stone is the British unit of 14 avoirdupois pounds (6.35029318 kg). The troy ounce (31.1034768 g, used for precious metals) is a different unit from the avoirdupois ounce, and the grain is exactly 1/7000 of a pound (64.79891 mg).
- Mass cannot be negative.
lb to gr FAQs
How do I convert pounds to grains?
Multiply the number of pounds by 7000 to get grains. For example, 25 lb × 7000 = 175000 gr.
How many grains are in one pound?
1 lb = 7000 gr and 1 gr = 0.0001428571429 lb. To go the other way, use the grains to pounds converter.
How many grains are in 2 pounds?
2 lb = 14000 gr, rounded to 6 significant digits. Change the value in the converter above for any other amount.
Is the lb to gr conversion exact?
Yes. The factor 7000 follows directly from the unit definitions (The avoirdupois pound is defined as exactly 0.45359237 kilograms; the grain is exactly 1/7000 of an avoirdupois pound (64.79891 milligrams)), so the only rounding is in the digits you choose to display.
What is the difference between pounds and grains?
The avoirdupois pound is defined as exactly 0.45359237 kilograms. It is used for body weight, groceries and shipping in the US and UK. The grain is exactly 1/7000 of an avoirdupois pound (64.79891 milligrams). It is used for ammunition propellant and bullet weights, and in some pharmacy and jewelry contexts.
Does this convert weight or mass?
Strictly it converts mass. The pound, ounce and stone here are units of mass, which is what scales and everyday “weight” refer to on Earth. Pound-force and other units of force are different and are not handled by this converter.
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