Scruple to Pennyweight Converter

Mass Converter

26 units available

Decimals:

From

To

0.833333

1 scr = 0.833333 dwt

Formula:

dwt = scr × 0.8333333333

With your value: 1 scr = 0.83333333 dwt

How big is that?

Everyday references on a logarithmic scale, all expressed in scruple so you can sanity-check the result.

Paperclip (1/1.3 your value)0.772 scr

Your value1.00 scr

AA battery (19× your value)18.5 scr

Can of soda (3.0e+2× your value)301 scr

Bag of sugar (7.7e+2× your value)772 scr

House cat (3.5e+3× your value)3.47e+3 scr

Other Scruple to Pennyweight conversions

2 scr to dwt 3 scr to dwt 4 scr to dwt 5 scr to dwt 6 scr to dwt 7 scr to dwt 8 scr to dwt

Scruple to Pennyweight Conversion Table

Scruple (scr)	Pennyweight (dwt)
0.5	0.416667
1	0.833333
2	1.666667
5	4.166667
10	8.333333
15	12.5
20	16.666667
25	20.833333
50	41.666667
100	83.333333
250	208.333333
500	416.666667
1000	833.333333

Pennyweight to Scruple Conversion Table

Pennyweight (dwt)	Scruple (scr)
0.5	0.6
1	1.2
2	2.4
5	6
10	12
15	18
20	24
25	30
50	60
100	120
250	300
500	600
1000	1,200

Where these values come from

Every factor on this page is traced to the document that defines it. See the full provenance dataset or our methodology.

Scruple (scr)

Mass

Exact conversion

Traceable to the kilogram, defined by fixing the Planck constant at 6.626 070 15 × 10⁻³⁴ J·s. Avoirdupois masses derive from the 1959 international pound (0.453 592 37 kg exactly).

Source: BIPM, The International System of Units (SI), 9th edition, 2019 (updated 2024)

Bureau International des Poids et Mesures · Reviewed 2026-07-01

Pennyweight (dwt)

Mass

Exact conversion

Traceable to the kilogram, defined by fixing the Planck constant at 6.626 070 15 × 10⁻³⁴ J·s. Avoirdupois masses derive from the 1959 international pound (0.453 592 37 kg exactly).

Source: BIPM, The International System of Units (SI), 9th edition, 2019 (updated 2024)

Bureau International des Poids et Mesures · Reviewed 2026-07-01

How to Convert Scruple to Pennyweight

To convert from Scruple (scr) to Pennyweight (dwt), multiply the value by 0.8333333333.

Formula: dwt = scr × 0.8333333333

Reverse: scr = dwt × 1.2

Step-by-Step Example

Start with your value in Scruple. For example: 5 scr
Multiply by the conversion factor: 5 x 0.8333333333
The result is: 4.166667 dwt

About Scruple

The scruple (scr) is a unit of mass and weight. One scruple equals 0.0012959782 kilograms. UnitConvertLab converts it against every other mass unit using this exact definition, so results are reproducible to full double precision rather than rounded lookup tables.

Common uses: mass calculations, engineering and science, education.

About Pennyweight

The pennyweight (dwt) equals 1/20 of a troy ounce, about 1.555 grams. Jewellers still price scrap gold by the pennyweight.

Common uses: jewellery trade, gold scrap, assaying.

Frequently Asked Questions

How many Pennyweight are in 1 Scruple?

There are exactly 0.8333333333 Pennyweight in 1 Scruple. This means the conversion factor from Scruple to Pennyweight is 0.8333333333.

What is the formula to convert Scruple to Pennyweight?

The formula to convert Scruple to Pennyweight is: dwt = scr × 0.8333333333. For example, to convert 10 Scruple to Pennyweight, you would multiply 10 by 0.8333333333.

What is a Scruple?