Pennyweights (dwt)	Kilograms (kg)
1 dwt	0.001555 kg
2 dwt	0.00311 kg
5 dwt	0.007776 kg
10 dwt	0.01555 kg
25 dwt	0.03888 kg
50 dwt	0.07776 kg
100 dwt	0.1555 kg
250 dwt	0.3888 kg
500 dwt	0.7776 kg
1000 dwt	1.5552 kg

Convert Pennyweights to Kilograms

Convert pennyweights to kilograms (dwt to kg) with our instant calculator. 1 dwt = 0.001555 kg. Includes exact formula and reference tables.

How to Convert Pennyweights to Kilograms (dwt to kg)

1 Pennyweight (dwt) is equal to 0.001555 Kilograms (kg). Multiply the pennyweight value by 0.00155517384

Quick Answer 1 dwt = 0.001555 kg

Formula kg = dwt × 0.00155517384

Inverse Factor 1 kg = 643.014931 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 Kilograms (kg): Kilogram (kg) is a unit in the Weight & Mass measurement category. It is a standard everyday unit of weight & mass measurement. The kilogram (kg) serves as the primary reference base unit for the weight & mass domain.

Need to convert in the opposite direction? Visit our Convert Kilograms to Pennyweights (kg to dwt) calculator (1 kg = 643.014931 dwt).

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

Convert 5 Pennyweights to Kilograms: Applying the formula (kg = dwt × 0.00155517384): starting with 5 dwt, multiply the pennyweight value by 0.00155517384 to get 0.0078 kg.
Convert 10 Pennyweights to Kilograms: Applying the formula (kg = dwt × 0.00155517384): starting with 10 dwt, multiply the pennyweight value by 0.00155517384 to get 0.0156 kg.
Convert 50 Pennyweights to Kilograms: Applying the formula (kg = dwt × 0.00155517384): starting with 50 dwt, multiply the pennyweight value by 0.00155517384 to get 0.0778 kg.

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 pennyweights to kilograms.

How many kilograms are in 1 pennyweight?

There are 0.001555 kilograms (kg) in 1 pennyweight (dwt). Conversely, 1 kilogram equals 643.014931 pennyweights.

How do you convert pennyweights to kilograms?

To convert pennyweights (dwt) to kilograms (kg), use the formula: kg = dwt × 0.00155517384. Multiply the pennyweight value by 0.00155517384. For example, 10 dwt equals 0.0156 kg.

How do I convert back from kilograms to pennyweights?

To convert in the reverse direction from kilograms (kg) to pennyweights (dwt), use the inverse formula: dwt = kg × 643.0149314. Multiply the kilogram value by 643.0149314 (1 kg = 643.014931 dwt).

What is the difference between pennyweight (dwt) and kilogram (kg)?

Both pennyweight and kilogram 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). Kilogram (kg) is a unit in the Weight & Mass measurement category. It is a standard everyday unit of weight & mass measurement. The kilogram (kg) serves as the primary reference base unit for the weight & mass domain.

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.