Troy Ounces (oz t)	Pennyweights (dwt)
1 oz t	20 dwt
2 oz t	40 dwt
5 oz t	100 dwt
10 oz t	200 dwt
25 oz t	500 dwt
50 oz t	1000 dwt
100 oz t	2000 dwt
250 oz t	5000 dwt
500 oz t	10000 dwt
1000 oz t	20000 dwt

Convert Troy Ounces to Pennyweights

Convert troy ounces to pennyweights (oz t to dwt) with our instant calculator. 1 oz t = 20 dwt. Includes exact formula and reference tables.

How to Convert Troy Ounces to Pennyweights (oz t to dwt)

1 Troy Ounce (oz t) is equal to 20 Pennyweights (dwt). Multiply the troy ounce value by 20

Quick Answer 1 oz t = 20 dwt

Formula dwt = oz t × 20

Inverse Factor 1 dwt = 0.05 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 Pennyweights (dwt): Pennyweight (dwt) is a unit in the Weight & Mass measurement category. It is widely used in scrap gold & dental alloys (1.555 g). Relative to the weight & mass base unit, 1 dwt equals 0.001555 Kilograms (kg).

Need to convert in the opposite direction? Visit our Convert Pennyweights to Troy Ounces (dwt to oz t) calculator (1 dwt = 0.05 oz t).

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

Convert 5 Troy Ounces to Pennyweights: Applying the formula (dwt = oz t × 20): starting with 5 oz t, multiply the troy ounce value by 20 to get 100 dwt.
Convert 10 Troy Ounces to Pennyweights: Applying the formula (dwt = oz t × 20): starting with 10 oz t, multiply the troy ounce value by 20 to get 200 dwt.
Convert 50 Troy Ounces to Pennyweights: Applying the formula (dwt = oz t × 20): starting with 50 oz t, multiply the troy ounce value by 20 to get 1000 dwt.

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 pennyweights.

How many pennyweights are in 1 troy ounce?

There are 20 pennyweights (dwt) in 1 troy ounce (oz t). Conversely, 1 pennyweight equals 0.05 troy ounces.

How do you convert troy ounces to pennyweights?

To convert troy ounces (oz t) to pennyweights (dwt), use the formula: dwt = oz t × 20. Multiply the troy ounce value by 20. For example, 10 oz t equals 200 dwt.

How do I convert back from pennyweights to troy ounces?

To convert in the reverse direction from pennyweights (dwt) to troy ounces (oz t), use the inverse formula: oz t = dwt / 20. Divide the pennyweight value by 20 (1 dwt = 0.05 oz t).

What is the difference between troy ounce (oz t) and pennyweight (dwt)?

Both troy ounce and pennyweight 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). Pennyweight (dwt) is a unit in the Weight & Mass measurement category. It is widely used in scrap gold & dental alloys (1.555 g). Relative to the weight & mass base unit, 1 dwt equals 0.001555 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.