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)
0.001 lb 7 gr
0.01 lb 70 gr
0.1 lb 700 gr
1 lb 7000 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

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?

You just have to insert the amount of Pounds you want to convert and press the "Convert" button. The amount of Grains will be outputed in the input field below the button.

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.