Convert ounce to grain
Please provide values below to convert ounce [oz] to grain [gr], or Convert grain to ounce.
1 oz = 437.5 gr. To convert ounce to grain, multiply the value by 437.5; to go the other way, divide by it (1 gr = 0.00228571428571 oz). Both units measure weight and mass and appear in everyday as well as technical calculations, so switching between them quickly is often useful.
Quick Reference
- 1 oz = 437.5 gr
- 1 gr = 0.00228571428571 oz
- 10 oz = 4375 gr
- 100 oz = 43750 gr
How to Convert Ounce to Grain
1 oz = 437.5 gr
Example: convert 15 oz to gr:
15 oz = 15 × 437.5 gr = 6562.5 gr
Ounce to Grain Conversion Table
| ounce | grain |
|---|---|
| 1 oz | 437.5 gr |
| 2 oz | 875 gr |
| 3 oz | 1312.5 gr |
| 5 oz | 2187.5 gr |
| 10 oz | 4375 gr |
| 20 oz | 8750 gr |
| 50 oz | 21875 gr |
| 100 oz | 43750 gr |
| 500 oz | 218750 gr |
| 1000 oz | 437500 gr |
Ounce
An ounce (oz) is a unit of weight or mass used primarily in the United States and other countries that use the imperial system. It is equal to 1/16 of a pound or approximately 28.35 grams.
History/Origin
The ounce has origins in ancient Roman and medieval systems of weight measurement. It was historically used in various forms across different cultures, with the modern avoirdupois ounce standardized in the 14th century in England to facilitate trade and commerce.
Current Use
Today, the ounce is commonly used to measure food ingredients, precious metals, and other small quantities of weight in the United States and other countries using the imperial system. It is also used in the context of jewelry, cooking, and postal services.
Grain
A grain is a unit of mass traditionally used to measure small quantities, primarily in the context of precious metals, pharmaceuticals, and firearms.
History/Origin
The grain dates back to ancient times and was originally based on the weight of a single seed of a cereal grain, such as barley. It has been used since the Middle Ages and was standardized in the apothecaries' system.
Current Use
Today, the grain is mainly used in the measurement of bullets, gunpowder, and precious metals, and is recognized as a unit of mass in the apothecaries' system, although it has largely been replaced by grams in most contexts.
Frequently Asked Questions
What is 1 ounce in grain?
1 ounce (oz) = 437.5 grain (gr).
How do you convert ounce to grain?
Multiply the ounce value by 437.5. For example, 25 oz × 437.5 = 10937.5 gr.
What is 10 ounce in grain?
10 oz = 4375 gr.
Which unit is larger, the ounce or the grain?
The ounce is the larger unit: 1 oz = 437.5 gr.