Conversion from Grain (gr) to Ounce (oz) and vice versa

Updated on by Stefan Banse

Here you can convert the Unit of weight Grain into the unit Ounce and vice versa you can convert Ounce into Grain. By clicking the "Swap units" icon, you will always obtain the desired conversion in the calculation result, i.e., gr to oz or oz to gr. With the following calculator you can also calculate any other Unit of weight.

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Info about "Grain"

The grain is the smallest classical English unit of mass. The usual pound contains 7 000 grains.

1 grain = 64.79891 mg

1 gram = 15.43236 grain

The unit is increasingly replaced by milligrams or carats. Grain, however, is still used for hand gun bullets, arrowheads or ammunition powder.

Info about "Ounce"

The common ounce (English: international avoirdupois ounce) as unit of weight is very common in the Anglo-American area but does not belong to the International System of Units (Système international d'unités). It should not be confused with the troy ounce or apothecaries ounce and is frequently used in many countries to indicate the weight of foods.

One ounce is equivalent to 28.349523125 grams, and one gram is equivalent to 0.035273961 ounces.

Basis for conversion Grain (gr) to Ounce (oz) and vice versa

The abbreviation for the "Unit of weight Grain" is gr. The abbreviation for the "Unit of weight Ounce" is oz.

Formula for the conversion of Grain (gr) to Ounce (oz) and vice versa

The calculation from Grain to Ounce shall be made using the following conversion formula:

 Conversion formula Grain to Ounce 

Determine the number of Ounce from Grain

Grain × 0.0022857142857143


Formula for the conversion of Ounce (oz) to Grain (gr)

The calculation from Ounce to Grain shall be made using the following conversion formula:

 Conversion formula Ounce to Grain 

Determine the number of Grain from Ounce

Ounce × 437.5


Overview table: How many Grain are how many Ounce?

Grain gr ⇒ Ounce oz
0.01 gr  are  0.00002 oz
0.02 gr  are  0.00004 oz
0.03 gr  are  0.00006 oz
0.04 gr  are  0.00009 oz
0.05 gr  are  0.00011 oz
0.06 gr  are  0.00013 oz
0.07 gr  are  0.00016 oz
0.08 gr  are  0.00018 oz
0.09 gr  are  0.00020 oz
0.10 gr  are  0.00022 oz
0.20 gr  are  0.00045 oz
0.30 gr  are  0.00068 oz
0.40 gr  are  0.00091 oz
0.50 gr  are  0.00114 oz
0.60 gr  are  0.00137 oz
0.70 gr  are  0.00160 oz
0.80 gr  are  0.00182 oz
0.90 gr  are  0.00205 oz
1 gr  corresponds to  0.00228 oz
2 gr  are  0.00457 oz
3 gr  are  0.00685 oz
4 gr  are  0.00914 oz
5 gr  are  0.01142 oz
6 gr  are  0.01371 oz
7 gr  are  0.01600 oz
8 gr  are  0.01828 oz
9 gr  are  0.02057 oz
10 gr  are  0.02285 oz
20 gr  are  0.04571 oz
30 gr  are  0.06857 oz
40 gr  are  0.09142 oz
50 gr  are  0.11428 oz
60 gr  are  0.13714 oz
70 gr  are  0.16000 oz
80 gr  are  0.18285 oz
90 gr  are  0.20571 oz
100 gr  are  0.22857 oz
200 gr  are  0.45714 oz
300 gr  are  0.68571 oz
400 gr  are  0.91428 oz
500 gr  are  1.14285 oz
600 gr  are  1.37142 oz
700 gr  are  1.60000 oz
800 gr  are  1.82857 oz
900 gr  are  2.05714 oz
1 000 gr  are  2.28571 oz

Overview table: How many Ounce are how many Grain?

Ounce oz ⇒ Grain gr
0.01 oz  are  4.37500 gr
0.02 oz  are  8.75000 gr
0.03 oz  are  13.12500 gr
0.04 oz  are  17.50000 gr
0.05 oz  are  21.87500 gr
0.06 oz  are  26.25000 gr
0.07 oz  are  30.62500 gr
0.08 oz  are  35 gr
0.09 oz  are  39.37500 gr
0.10 oz  are  43.75000 gr
0.20 oz  are  87.50000 gr
0.30 oz  are  131.25000 gr
0.40 oz  are  175 gr
0.50 oz  are  218.75000 gr
0.60 oz  are  262.50000 gr
0.70 oz  are  306.25000 gr
0.80 oz  are  350 gr
0.90 oz  are  393.75000 gr
1 oz  corresponds to  437.50000 gr
2 oz  are  875 gr
3 oz  are  1 312.50000 gr
4 oz  are  1 750 gr
5 oz  are  2 187.50000 gr
6 oz  are  2 625 gr
7 oz  are  3 062.50000 gr
8 oz  are  3 500 gr
9 oz  are  3 937.50000 gr
10 oz  are  4 375 gr
20 oz  are  8 750 gr
30 oz  are  13 125 gr
40 oz  are  17 500 gr
50 oz  are  21 875 gr
60 oz  are  26 250 gr
70 oz  are  30 625 gr
80 oz  are  35 000 gr
90 oz  are  39 375 gr
100 oz  are  43 750 gr
200 oz  are  87 500 gr
300 oz  are  131 250 gr
400 oz  are  175 000 gr
500 oz  are  218 750 gr
600 oz  are  262 500 gr
700 oz  are  306 250 gr
800 oz  are  350 000 gr
900 oz  are  393 750 gr
1 000 oz  are  437 500 gr

Source information

As source for the information in the "Units of weight" category, we have used in particular:

Last update on February 12, 2021

The pages of the "Units of weight" category were last editorially reviewed by Stefan Banse on February 12, 2021. They all correspond to the current status.

Previous changes on June 25, 2020

  • Publication of the Weight converter
  • Editorial revision of all texts in this category