Scruple to Kilogram Converter

Mass Converter

26 units available

Decimals:

From

To

0.001296

1 scr = 0.001296 kg

Formula:

kg = scr × 0.0012959782

With your value: 1 scr = 0.00129598 kg

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 Kilogram conversions

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

Scruple to Kilogram Conversion Table

Scruple (scr)	Kilogram (kg)
0.5	0.000648
1	0.001296
2	0.002592
5	0.00648
10	0.01296
15	0.01944
20	0.02592
25	0.032399
50	0.064799
100	0.129598
250	0.323995
500	0.647989
1000	1.295978

Kilogram to Scruple Conversion Table

Kilogram (kg)	Scruple (scr)
0.5	385.808959
1	771.617918
2	1,543.235835
5	3,858.089588
10	7,716.179176
15	11,574.268765
20	15,432.358353
25	19,290.447941
50	38,580.895882
100	77,161.791765
250	192,904.479412
500	385,808.958824
1000	771,617.917647

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

Kilogram (kg)

Mass

SI definition

The kilogram is defined by taking the Planck constant to be exactly 6.626 070 15 × 10⁻³⁴ J·s.

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 Kilogram

To convert from Scruple (scr) to Kilogram (kg), multiply the value by 0.0012959782.

Formula: kg = scr × 0.0012959782

Reverse: scr = kg × 771.6179176471

Step-by-Step Example

Start with your value in Scruple. For example: 5 scr
Multiply by the conversion factor: 5 x 0.0012959782
The result is: 0.00648 kg

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 Kilogram

The kilogram is the base unit of mass in the SI system. Since 2019, it is defined by the Planck constant rather than a physical artifact.

Fun Fact: Until 2019, the kilogram was defined by a platinum-iridium cylinder kept in Paris, called "Le Grand K."

Common uses: body weight, cooking, shipping.

Frequently Asked Questions

How many Kilogram are in 1 Scruple?

There are exactly 0.0012959782 Kilogram in 1 Scruple. This means the conversion factor from Scruple to Kilogram is 0.0012959782.

What is the formula to convert Scruple to Kilogram?

The formula to convert Scruple to Kilogram is: kg = scr × 0.0012959782. For example, to convert 10 Scruple to Kilogram, you would multiply 10 by 0.0012959782.

What is a Scruple?