Grain to Ounce calculator (gr to oz)

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


Formula used to convert gr to oz:

F(x) = x / 437.5

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

1 gr = 1 / 437.5 = 0.002285714285714286 oz


  1. Divide the amount of grains by 437.5.
  2. The result will be expressed in ounces.

Grain to Ounce Conversion Table

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

Grains (gr) Ounces (oz)
0.0001 gr 0.00000022857142857142858 oz
0.001 gr 0.0000022857142857142856 oz
0.01 gr 0.000022857142857142858 oz
0.02 gr 0.000045714285714285716 oz
0.03 gr 0.00006857142857142857 oz
0.04 gr 0.00009142857142857143 oz
0.05 gr 0.0001142857142857143 oz
0.06 gr 0.00013714285714285713 oz
0.07 gr 0.00016 oz
0.08 gr 0.00018285714285714286 oz
0.09 gr 0.00020571428571428572 oz
0.1 gr 0.0002285714285714286 oz
0.2 gr 0.0004571428571428572 oz
0.3 gr 0.0006857142857142857 oz
0.4 gr 0.0009142857142857144 oz
0.5 gr 0.001142857142857143 oz
0.6 gr 0.0013714285714285714 oz
0.7 gr 0.0015999999999999999 oz
0.8 gr 0.0018285714285714288 oz
0.9 gr 0.002057142857142857 oz
1 gr 0.002285714285714286 oz
1.1 gr 0.0025142857142857146 oz
1.2 gr 0.002742857142857143 oz
1.25 gr 0.002857142857142857 oz
1.5 gr 0.0034285714285714284 oz
1.75 gr 0.004 oz
2 gr 0.004571428571428572 oz
3 gr 0.006857142857142857 oz
4 gr 0.009142857142857144 oz
5 gr 0.011428571428571429 oz
6 gr 0.013714285714285714 oz
7 gr 0.016 oz
8 gr 0.018285714285714287 oz
9 gr 0.02057142857142857 oz
10 gr 0.022857142857142857 oz
20 gr 0.045714285714285714 oz
30 gr 0.06857142857142857 oz
40 gr 0.09142857142857143 oz
50 gr 0.11428571428571428 oz
60 gr 0.13714285714285715 oz
70 gr 0.16 oz
80 gr 0.18285714285714286 oz
90 gr 0.2057142857142857 oz
100 gr 0.22857142857142856 oz
200 gr 0.45714285714285713 oz
300 gr 0.6857142857142857 oz
400 gr 0.9142857142857143 oz
500 gr 1.1428571428571428 oz
600 gr 1.3714285714285714 oz
700 gr 1.6 oz
800 gr 1.8285714285714285 oz
900 gr 2.057142857142857 oz
1000 gr 2.2857142857142856 oz

About the converter

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

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

In case you want to convert ounces to grains, please use the oz to gr converter.

How many ounces are in a grain?

1 grain [gr] is equal to 0.002285714285714286 ounces [oz].

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.

About Ounces (oz)

The ounce (symbol ℥) is a unit of mass, weight, or volume used in most British derived customary systems of measurement. One avoirdupois ounce is equal to ​1⁄16 of a common avoirdupois pound. It is commonly used in the United States to measure the weight of food, postal items, gloves, among others.

There are many ounces in current use. This are the troy ounce, the ounce-force and the fluid ounce.

FAQs for Grain to Ounce converter calculator

What is Grain to Ounce converter calculator?

Grain to Ounce converter is a free and online calculator that converts Grains to Ounces.

How do I use Grain to Ounce converter?

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

Which browsers are supported?

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

Which devices does Grain to Ounce converter work on?

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