Gram per Cubic Meter (g/m3) expresses mass in gram per unit volume in cubic meter, found by dividing a mass value by a volume value.
Gram per Cubic Meter to Carat per Cubic Millimeter
Convert gram per cubic meter (g/m3) to carat per cubic millimeter (ct/mm3) instantly with formula, conversion table, and FAQ.
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Convert gram per cubic meter (g/m3) to carat per cubic millimeter (ct/mm3) instantly with formula, conversion table, and FAQ.
Context values
Some unit families need one extra value for a physically accurate result.
Carat per Cubic Millimeter (ct/mm3) expresses mass in carat per unit volume in cubic millimeter, found by dividing a mass value by a volume value.
ct/mm3 = g/m3 × 5e-9
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Formula
ct/mm3 = g/m3 × 5e-9
g/m3 = ct/mm3 × 2e8
Conversion table
| 1 g/m3 | 5e-9 ct/mm3 |
| 5 g/m3 | 2.5e-8 ct/mm3 |
| 10 g/m3 | 5e-8 ct/mm3 |
| 20 g/m3 | 1e-7 ct/mm3 |
| 50 g/m3 | 2.5e-7 ct/mm3 |
| 100 g/m3 | 5e-7 ct/mm3 |
| 500 g/m3 | 2.5e-6 ct/mm3 |
| 1000 g/m3 | 5e-6 ct/mm3 |
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How the formula works
Both gram per cubic meter and carat per cubic millimeter measure the same physical quantity (mass per unit volume), so converting between them is a single multiplication. Multiply a value in gram per cubic meter by 5e-9 to get carat per cubic millimeter. To reverse the conversion, multiply a carat per cubic millimeter value by 2e8 to get back to gram per cubic meter.
Frequently asked questions
What is Gram per Cubic Meter (g/m3)?
Gram per Cubic Meter (g/m3) expresses mass in gram per unit volume in cubic meter, found by dividing a mass value by a volume value.
What is Carat per Cubic Millimeter (ct/mm3)?
Carat per Cubic Millimeter (ct/mm3) expresses mass in carat per unit volume in cubic millimeter, found by dividing a mass value by a volume value.
How do I convert gram per cubic meter to carat per cubic millimeter?
Multiply the gram per cubic meter value by 5e-9 to get the equivalent in carat per cubic millimeter. For example, 5 g/m3 × 5e-9 = 2.5e-8 ct/mm3.
Is this conversion exact?
Yes. Both units are defined using fixed metric and imperial conversion constants, so the factor 5e-9 is an exact, non-rounded value.
Can I convert carat per cubic millimeter back to gram per cubic meter?
Yes. Divide the carat per cubic millimeter value by 5e-9, or multiply it by 2e8, to get gram per cubic meter.
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About converting gram per cubic meter to carat per cubic millimeter
Gram per Cubic Meter (g/m3) expresses mass in gram per unit volume in cubic meter, found by dividing a mass value by a volume value. Carat per Cubic Millimeter (ct/mm3) expresses mass in carat per unit volume in cubic millimeter, found by dividing a mass value by a volume value.
Use this calculator to move between gram per cubic meter and carat per cubic millimeter accurately for science, engineering, manufacturing, or everyday density calculations. The Universal Converter uses exact unit factors, so results stay consistent across the site.