Troy Ounces (oz t)	Grains (gr)
1 oz t	480 gr
2 oz t	960 gr
5 oz t	2400 gr
10 oz t	4800 gr
25 oz t	12000 gr
50 oz t	24000 gr
100 oz t	48000 gr
250 oz t	120000 gr
500 oz t	240000 gr
1000 oz t	480000 gr

Convert Troy Ounces to Grains

Convert troy ounces to grains (oz t to gr) with our instant calculator. 1 oz t = 480 gr. Includes exact formula and reference tables.

How to Convert Troy Ounces to Grains (oz t to gr)

1 Troy Ounce (oz t) is equal to 480 Grains (gr). Multiply the troy ounce value by 480

Quick Answer 1 oz t = 480 gr

Formula gr = oz t × 480

Inverse Factor 1 gr = 0.002083 oz t

Unit Definitions & Metrology Context

The standard SI base unit of mass is the kilogram (kg), defined in terms of the Planck constant (h = 6.62607015 × 10⁻³⁴ J⋅s).

About Troy Ounces (oz t): Troy Ounce (oz t) is a unit in the Weight & Mass measurement category. It is widely used in gold, silver & bullion (31.1 g). Relative to the weight & mass base unit, 1 oz t equals 0.031103 Kilograms (kg).

About Grains (gr): Grain (gr) is a unit in the Weight & Mass measurement category. It is widely used in gunpowder, arrows & pharmacy. Relative to the weight & mass base unit, 1 gr equals 0.000065 Kilograms (kg).

Need to convert in the opposite direction? Visit our Convert Grains to Troy Ounces (gr to oz t) calculator (1 gr = 0.002083 oz t).

Step-by-Step Worked Examples (oz t to gr)

Convert 5 Troy Ounces to Grains: Applying the formula (gr = oz t × 480): starting with 5 oz t, multiply the troy ounce value by 480 to get 2400 gr.
Convert 10 Troy Ounces to Grains: Applying the formula (gr = oz t × 480): starting with 10 oz t, multiply the troy ounce value by 480 to get 4800 gr.
Convert 50 Troy Ounces to Grains: Applying the formula (gr = oz t × 480): starting with 50 oz t, multiply the troy ounce value by 480 to get 24000 gr.

Popular Weight & Mass Conversions

Pound ⇄ Kilogram

1 avoirdupois pound is legally defined as exactly 0.45359237 kilograms.

Ounce ⇄ Gram

1 ounce is approximately 28.3495 grams (1/16 of a pound).

Stone ⇄ Pound

1 British stone is exactly equal to 14 pounds (approx. 6.35029 kg).

Kilogram ⇄ Gram

1 kilogram equals exactly 1,000 grams.

Frequently Asked Questions

Verified answers and formulas for converting troy ounces to grains.

How many grains are in 1 troy ounce?

There are 480 grains (gr) in 1 troy ounce (oz t). Conversely, 1 grain equals 0.002083 troy ounces.

How do you convert troy ounces to grains?

To convert troy ounces (oz t) to grains (gr), use the formula: gr = oz t × 480. Multiply the troy ounce value by 480. For example, 10 oz t equals 4800 gr.

How do I convert back from grains to troy ounces?

To convert in the reverse direction from grains (gr) to troy ounces (oz t), use the inverse formula: oz t = gr / 480. Divide the grain value by 480 (1 gr = 0.002083 oz t).

What is the difference between troy ounce (oz t) and grain (gr)?

Both troy ounce and grain measure weight & mass. Troy Ounce (oz t) is a unit in the Weight & Mass measurement category. It is widely used in gold, silver & bullion (31.1 g). Relative to the weight & mass base unit, 1 oz t equals 0.031103 Kilograms (kg). Grain (gr) is a unit in the Weight & Mass measurement category. It is widely used in gunpowder, arrows & pharmacy. Relative to the weight & mass base unit, 1 gr equals 0.000065 Kilograms (kg).

How many pounds are in 1 kilogram?

1 kilogram equals approximately 2.20462 pounds. A quick mental trick is to multiply kilograms by 2.2.