A metric carat is exactly 200 milligrams.
Carats to Nanograms
Convert carats (ct) to nanograms (ng) instantly. Free online weight converter with formulas, tables and examples.
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Nanogram is 1e-9 gram units.
ng = ct × 200000000
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Formula
ng = ct × 200000000
ct = ng ÷ 200000000
Conversion table
| 1 ct | 200000000.000000 ng |
| 5 ct | 1000000000.000000 ng |
| 10 ct | 2000000000.000000 ng |
| 20 ct | 4000000000.000000 ng |
| 50 ct | 9999999999.999998 ng |
| 100 ct | 19999999999.999996 ng |
| 500 ct | 99999999999.999985 ng |
| 1000 ct | 199999999999.999969 ng |
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Frequently asked questions
What is the source unit in this conversion?
The source unit is the carat (ct). A metric carat is exactly 200 milligrams.
What is the destination unit in this conversion?
The destination unit is the nanogram (ng). Nanogram is 1e-9 gram units.
How do I convert carats to nanograms?
Multiply the number of carats by 200000000 to get the equivalent value in nanograms. For example, 5 ct × 200000000 = 1000000000.000000 ng.
Is the carat to nanogram conversion exact?
Yes. This converter uses a fixed factor of 200000000, so results are precise and consistent every time you use it.
Where is this conversion commonly used?
It's used in everyday measurement, shipping and logistics, scientific and industrial work, and any context where you need to switch between carat and nanogram values.
Can I convert nanograms back to carats?
Yes. Multiply the nanograms value by 5e-09, or divide it by 200000000, to convert back to carats.
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About this conversion
This page converts carats (ct) into nanograms (ng) using the Universal Converter's mass conversion engine.
Carat-to-Nanogram conversions are useful for everyday calculations, scientific work, shipping, and any task that mixes different weight or mass units.
The formula is ng = ct × 200000000, based on the standard definitions of carat and nanogram.
Because the conversion factor is fixed, results stay consistent and repeatable no matter how many times you calculate them.
Carat: A metric carat is exactly 200 milligrams. Nanogram: Nanogram is 1e-9 gram units.