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Gram to Atomic Mass Unit Converter

VerifiedLast reviewed: Feb 2, 2026Fact checked by: Adil BaltiFactor: 1 g = 6.02214e+23 atomic mass unitSource: Encyclopædia Britannica
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What is Gram to Atomic Mass Unit Converter

A gram to atomic mass unit converter translates mass from grams (g) to unified atomic mass units (u). The tool uses the physical constant where 1 gram equals approximately 6.02214 x 10²³ atomic mass units.

Definitions of Gram and Atomic Mass Unit

What is Gram?

A gram is a unit of mass in the metric system defined as one-thousandth of a kilogram. It serves as a fundamental metric unit for small weight measurements.

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.

Gram to Atomic Mass Unit Formula

u=g×6.0221410036138876e+23\text{u} = \text{g} \times 6.0221410036138876e+23

Conversion explanation: Multiply the value in Gram by 6.0221410036138876e+23 to get the equivalent value in Atomic Mass Unit.

How to Convert Gram to Atomic Mass Unit

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

Atomic Mass Units = Grams × 6.0221410036138876e+23

Step-by-Step Example

Converting a 250 gram mass into atomic mass unit:

  • Identify the multiplier factor: 6.0221410036138876e+23.
  • Multiply 250 by the factor: 250 × 6.0221410036138876e+23 = 1.5055352509034718e+26.
  • Result: 250 grams is equal to 1.5055352509034718e+26 atomic mass units.

Gram to Atomic Mass Unit Conversion Table

Gram [g]Atomic Mass Unit [u]
0.01 g6.022141003613888e+21 u
0.1 g6.0221410036138874e+22 u
1 g6.0221410036138876e+23 u
2 g1.2044282007227775e+24 u
3 g1.8066423010841663e+24 u
4 g2.408856401445555e+24 u
5 g3.0110705018069435e+24 u
6 g3.6132846021683326e+24 u
7 g4.215498702529721e+24 u
8 g4.81771280289111e+24 u
9 g5.419926903252499e+24 u
10 g6.022141003613887e+24 u
20 g1.2044282007227774e+25 u
30 g1.806642301084166e+25 u
50 g3.0110705018069436e+25 u
100 g6.022141003613887e+25 u
500 g3.0110705018069435e+26 u
1000 g6.022141003613887e+26 u
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