UnitChart

Convert grains to ounces

grains to ounces. Enter a value to convert, or use the grains to ounces chart further down the page.

1 gr = 0.00228571 oz

1 grain equals 0.00228571 ounces. Going the other way, 1 ounce = 437.5 grains.

Check this before you rely on it. This converter is provided free and without warranty, and its results are not professional advice.

How to convert grains to ounces

To convert grains to ounces, multiply the grain value by 0.002285714286. You can also divide by 437.5 to get the same answer.

oz = gr × 0.002285714286

Worked example

Convert 15 gr to ounces:

15 gr = 0.0342857 oz

grains to ounces conversion chart

Use this grains to ounces table for quick reference without typing anything.

grains to ounces conversion table
grains (gr)ounces (oz)
0.01 gr0.0000228571 oz
0.1 gr0.000228571 oz
1 gr0.00228571 oz
2 gr0.00457143 oz
3 gr0.00685714 oz
5 gr0.0114286 oz
10 gr0.0228571 oz
20 gr0.0457143 oz
50 gr0.114286 oz
100 gr0.228571 oz
1,000 gr2.28571 oz

What is a grain?

The grain is exactly 64.79891 milligrams. It survives as the unit for bullet and gunpowder weights and for pharmaceutical aspirin doses.

What is a ounce?

The avoirdupois ounce is one sixteenth of a pound, or exactly 28.349523125 grams. Do not confuse it with the fluid ounce, which measures volume.

Frequently asked questions

How many ounces are in a grain?

1 grains equals 0.00228571 ounces. Going the other way, 1 ounces is 437.5 grains.

How do you convert grains to ounces?

To convert grains to ounces, multiply the grain value by 0.002285714286. You can also divide by 437.5 to get the same answer.

What is 10 grains in ounces?

10 grains equals 0.0228571 ounces. The conversion chart on this page lists the other values people look up most often.

Related weight conversions

Convert grains to other units

Convert other units to ounces

Popular conversions

cm to inchesinches to cmkg to lbslbs to kgCelsius to FahrenheitFahrenheit to Celsiusmm to inchesinches to mmkm to milesmiles to kmmeters to feetfeet to meterscm to feetfeet to inchesinches to feetml to fl ozfl oz to mlliters to gallonsgallons to literscups to ml