Pound to Grain calculator (lb to gr)

Convert pounds to grains (lb to gr) by typing the amount of pounds in the input field below and then clicking in the "Convert" button. If you want to convert from grains to pounds, you can use our grain to pound converter.


Formula used to convert lb to gr:

F(x) = x * 7000

For example, if you want to convert 1 lb to gr, just replace x by 1 [lb]:

1 lb = 1 * 7000 = 7000 gr


  1. Multiply the amount of pounds by 7000.
  2. The result will be expressed in grains.

Pound to Grain Conversion Table

The following table will show the most common conversions for Pounds (lb) to Grains (gr):

Pounds (lb) Grains (gr)
0.0001 lb 0.7000000000000001 gr
0.001 lb 7 gr
0.01 lb 70 gr
0.02 lb 140 gr
0.03 lb 210 gr
0.04 lb 280 gr
0.05 lb 350 gr
0.06 lb 420 gr
0.07 lb 490.00000000000006 gr
0.08 lb 560 gr
0.09 lb 630 gr
0.1 lb 700 gr
0.2 lb 1400 gr
0.3 lb 2100 gr
0.4 lb 2800 gr
0.5 lb 3500 gr
0.6 lb 4200 gr
0.7 lb 4900 gr
0.8 lb 5600 gr
0.9 lb 6300 gr
1 lb 7000 gr
1.1 lb 7700.000000000001 gr
1.2 lb 8400 gr
1.25 lb 8750 gr
1.5 lb 10500 gr
1.75 lb 12250 gr
2 lb 14000 gr
3 lb 21000 gr
4 lb 28000 gr
5 lb 35000 gr
6 lb 42000 gr
7 lb 49000 gr
8 lb 56000 gr
9 lb 63000 gr
10 lb 70000 gr
20 lb 140000 gr
30 lb 210000 gr
40 lb 280000 gr
50 lb 350000 gr
60 lb 420000 gr
70 lb 490000 gr
80 lb 560000 gr
90 lb 630000 gr
100 lb 700000 gr
200 lb 1400000 gr
300 lb 2100000 gr
400 lb 2800000 gr
500 lb 3500000 gr
600 lb 4200000 gr
700 lb 4900000 gr
800 lb 5600000 gr
900 lb 6300000 gr
1000 lb 7000000 gr

About the converter

Note that this is a high-precision lb to gr calculator, but rounding errors may occur (in a very small percentage of the cases).

Convert pounds to grains (lb to gr) by pasting or typing the amount of pounds in the pounds input. Check the formula section to manually convert lb to gr.

In case you want to convert grains to pounds, please use the gr to lb converter.

How many grains are in a pound?

1 pound [lb] is equal to 7000 grains [gr].

About Pounds (lb)

The pound or pound-mass is a unit of mass. The most common definition today of a pound is the international avoirdupois pound, which is defined as exactly 0.45359237 kilograms. The symbol used to express pounds is lb.

An avoirdupois pound (traditional pound) is equal to 16 avoirdupois ounces and to exactly 7,000 grains. The conversion factor between the kilogram and the international pound was therefore chosen to be divisible by 7.

About Grains (gr)

A grain is a unit of mass, equal to exactly 64.79891 milligrams (independently of the type of pound used). It is nominally based upon the mass of a single virtual ideal seed of a cereal. The symbol used to define grains is gr.

FAQs for Pound to Grain converter calculator

What is Pound to Grain converter calculator?

Pound to Grain converter is a free and online calculator that converts Pounds to Grains.

How do I use Pound to Grain converter?

  1. Either copy and paste or type the amount of pounds to convert in the pounds input.
  2. Click on the Convert button.
  3. It will convert pounds into grains and output it in the grains input.

Which browsers are supported?

All mayor web browsers are supported, including Internet Explorer, Microsoft Edge, Firefox, Chrome, Safari and Opera.

Which devices does Pound to Grain converter work on?

Pound to Grain converter calculator works in any device that supports any of the browsers mentioned before. It can be a smartphone, desktop computer, notebook, tablet, etc.