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Carat to Atomic Mass Unit Converter

VerifiedLast reviewed: Feb 11, 2026Fact checked by: Adil BaltiFactor: 1 ct = 1.20443e+23 atomic mass unitSource: Encyclopædia Britannica
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What is Carat to Atomic Mass Unit Converter

This converter translates mass from carats (ct) to atomic mass units (u). It relies on the subatomic conversion factor where 1 carat equals approximately 1.2008 x 10^23 atomic mass units.

Definitions of Carat and Atomic Mass Unit

What is Carat?

A carat is a unit of mass used specifically for measuring gemstones and pearls. It is standardized as exactly 200 milligrams or 0.2 grams.

What is Atomic Mass Unit?

An atomic mass unit is a standard unit of mass used to express atomic and molecular weights. It is defined as 1/12th of the mass of an unbound carbon-12 atom.

Carat to Atomic Mass Unit Formula

u=ct×1.2044282007227775e+23\text{u} = \text{ct} \times 1.2044282007227775e+23

Conversion explanation: Multiply the value in Carat by 1.2044282007227775e+23 to get the equivalent value in Atomic Mass Unit.

How to Convert Carat to Atomic Mass Unit

To convert a value from carats to atomic mass units, multiply the value by the conversion multiplier:

Atomic Mass Units = Carats × 1.2044282007227775e+23

Step-by-Step Example

Converting a 10 carat mass into atomic mass unit:

  • Identify the multiplier factor: 1.2044282007227775e+23.
  • Multiply 10 by the factor: 10 × 1.2044282007227775e+23 = 1.2044282007227775e+24.
  • Result: 10 carats is equal to 1.2044282007227775e+24 atomic mass units.

Carat to Atomic Mass Unit Conversion Table

Carat [ct]Atomic Mass Unit [u]
0.01 ct1.2044282007227778e+21 u
0.1 ct1.2044282007227776e+22 u
1 ct1.2044282007227775e+23 u
2 ct2.408856401445555e+23 u
3 ct3.613284602168333e+23 u
4 ct4.81771280289111e+23 u
5 ct6.0221410036138876e+23 u
6 ct7.226569204336666e+23 u
7 ct8.430997405059442e+23 u
8 ct9.63542560578222e+23 u
9 ct1.0839853806504998e+24 u
10 ct1.2044282007227775e+24 u
20 ct2.408856401445555e+24 u
30 ct3.6132846021683326e+24 u
50 ct6.022141003613887e+24 u
100 ct1.2044282007227774e+25 u
500 ct6.022141003613887e+25 u
1000 ct1.2044282007227775e+26 u
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