Pennyweights (dwt)	Grains (gr)
1 dwt	24 gr
2 dwt	48 gr
5 dwt	120 gr
10 dwt	240 gr
25 dwt	600 gr
50 dwt	1200 gr
100 dwt	2400 gr
250 dwt	6000 gr
500 dwt	12000 gr
1000 dwt	24000 gr

Convert Pennyweights to Grains

Convert pennyweights to grains (dwt to gr) with our instant calculator. 1 dwt = 24 gr. Includes exact formula and reference tables.

How to Convert Pennyweights to Grains (dwt to gr)

1 Pennyweight (dwt) is equal to 24 Grains (gr). Multiply the pennyweight value by 24

Quick Answer 1 dwt = 24 gr

Formula gr = dwt × 24

Inverse Factor 1 gr = 0.041667 dwt

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 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).

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 Pennyweights (gr to dwt) calculator (1 gr = 0.041667 dwt).

Step-by-Step Worked Examples (dwt to gr)

Convert 5 Pennyweights to Grains: Applying the formula (gr = dwt × 24): starting with 5 dwt, multiply the pennyweight value by 24 to get 120 gr.
Convert 10 Pennyweights to Grains: Applying the formula (gr = dwt × 24): starting with 10 dwt, multiply the pennyweight value by 24 to get 240 gr.
Convert 50 Pennyweights to Grains: Applying the formula (gr = dwt × 24): starting with 50 dwt, multiply the pennyweight value by 24 to get 1200 gr.

Popular Weight & Mass Conversions

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1 avoirdupois pound is legally defined as exactly 0.45359237 kilograms.

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

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1 kilogram equals exactly 1,000 grams.

Frequently Asked Questions

Verified answers and formulas for converting pennyweights to grains.

How many grains are in 1 pennyweight?

There are 24 grains (gr) in 1 pennyweight (dwt). Conversely, 1 grain equals 0.041667 pennyweights.

How do you convert pennyweights to grains?

To convert pennyweights (dwt) to grains (gr), use the formula: gr = dwt × 24. Multiply the pennyweight value by 24. For example, 10 dwt equals 240 gr.

How do I convert back from grains to pennyweights?

To convert in the reverse direction from grains (gr) to pennyweights (dwt), use the inverse formula: dwt = gr / 24. Divide the grain value by 24 (1 gr = 0.041667 dwt).

What is the difference between pennyweight (dwt) and grain (gr)?

Both pennyweight and grain measure weight & mass. 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). 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.