Grains to Ounces (gr → oz)
Formula
1 gr = 0.0022857142857142855 ozConversion Table
| gr | oz |
|---|---|
| 0 | 0 |
| 1.0000 | 0.0022857 |
| 2.0000 | 0.0045714 |
| 3.0000 | 0.0068571 |
| 4.0000 | 0.0091429 |
| 5.0000 | 0.011429 |
| 6.0000 | 0.013714 |
| 7.0000 | 0.016000 |
| 8.0000 | 0.018286 |
| 9.0000 | 0.020571 |
| 10.000 | 0.022857 |
| 11.000 | 0.025143 |
| 12.000 | 0.027429 |
| 13.000 | 0.029714 |
| 14.000 | 0.032000 |
| 15.000 | 0.034286 |
| 16.000 | 0.036571 |
| 17.000 | 0.038857 |
| 18.000 | 0.041143 |
| 19.000 | 0.043429 |
| gr | oz |
|---|---|
| 20.000 | 0.045714 |
| 21.000 | 0.048000 |
| 22.000 | 0.050286 |
| 23.000 | 0.052571 |
| 24.000 | 0.054857 |
| 25.000 | 0.057143 |
| 26.000 | 0.059429 |
| 27.000 | 0.061714 |
| 28.000 | 0.064000 |
| 29.000 | 0.066286 |
| 30.000 | 0.068571 |
| 31.000 | 0.070857 |
| 32.000 | 0.073143 |
| 33.000 | 0.075429 |
| 34.000 | 0.077714 |
| 35.000 | 0.080000 |
| 36.000 | 0.082286 |
| 37.000 | 0.084571 |
| 38.000 | 0.086857 |
| 39.000 | 0.089143 |
| gr | oz |
|---|---|
| 40.000 | 0.091429 |
| 41.000 | 0.093714 |
| 42.000 | 0.096000 |
| 43.000 | 0.098286 |
| 44.000 | 0.10057 |
| 45.000 | 0.10286 |
| 46.000 | 0.10514 |
| 47.000 | 0.10743 |
| 48.000 | 0.10971 |
| 49.000 | 0.11200 |
| 50.000 | 0.11429 |
| 51.000 | 0.11657 |
| 52.000 | 0.11886 |
| 53.000 | 0.12114 |
| 54.000 | 0.12343 |
| 55.000 | 0.12571 |
| 56.000 | 0.12800 |
| 57.000 | 0.13029 |
| 58.000 | 0.13257 |
| 59.000 | 0.13486 |
| gr | oz |
|---|---|
| 60.000 | 0.13714 |
| 61.000 | 0.13943 |
| 62.000 | 0.14171 |
| 63.000 | 0.14400 |
| 64.000 | 0.14629 |
| 65.000 | 0.14857 |
| 66.000 | 0.15086 |
| 67.000 | 0.15314 |
| 68.000 | 0.15543 |
| 69.000 | 0.15771 |
| 70.000 | 0.16000 |
| 71.000 | 0.16229 |
| 72.000 | 0.16457 |
| 73.000 | 0.16686 |
| 74.000 | 0.16914 |
| 75.000 | 0.17143 |
| 76.000 | 0.17371 |
| 77.000 | 0.17600 |
| 78.000 | 0.17829 |
| 79.000 | 0.18057 |
Grains to Ounces Conversion
Converting Grains (gr) to Ounces (oz) is a common weight conversion. 1 gr equals 0.002286 oz. For example, 100 gr is equal to 0.228571 oz.
Quick Mental Math: Grains to Ounces
Divide by 437.5 (1 ounce = 437.5 grains).
Why is converting Grains to Ounces tricky?
Grains per ounce is obscure; the 437.5 factor is impractical.
Quick Reference Values
1 gr = 0.002286 oz. 5 gr = 0.011429 oz. 10 gr = 0.022857 oz. 25 gr = 0.057143 oz. 50 gr = 0.114286 oz. 100 gr = 0.228571 oz.
What is Grains?
Grains (gr) is a unit of weight. The grain is a unit of mass defined exactly as 64.79891 milligrams. It is based on the mass of a single grain of barley or wheat and equals 1/7000 of a pound avoirdupois. The grain remains recognized for precise mass measurements in ammunition and pharmaceuticals [nist-si-guide]. The grain originated in medieval England as a weight based on cereal grains. It was standardized in the 14th century and later incorporated into the avoirdupois system. The unit was adopted to provide a uniform small mass unit for trade and scientific use [nist-si-guide]. Grains are used primarily in the United States and the UK for measuring bullet and arrow weights, as well as in medicine for doses. The unit is acknowledged in international standards but is largely limited to specific industries [nist-si-guide].
What is Ounces?
Ounces (oz) is a unit of weight. An ounce (oz) is a unit of mass primarily used in the United States and UK customary systems. One avoirdupois ounce equals exactly 28.349523125 grams as defined by NIST. This measure is commonly employed in food labeling, postal services, and retail [nist-sp-811]. The ounce originated from the Roman 'uncia,' a twelfth part of the Roman pound. The avoirdupois ounce was standardized in the 19th century by the international yard and pound agreement of 1959 to unify US and British definitions [nist-sp-811]. Ounces are widely used in the US for weight measurement in grocery, postal, and manufacturing sectors. The UK uses ounces in certain contexts like precious metals and food portions. Most other countries prefer grams and kilograms per SI [nist-sp-811].
Common Misspellings
People often search for this conversion using these alternate spellings: grain, grane, grn, grainses, ounce, ounze, onze, ounch, ounz. All of these refer to the Grains to Ounces conversion.