A metric carat is exactly 200 milligrams.
Carats to Femtograms
Convert carats (ct) to femtograms (fg) instantly. Free online weight converter with formulas, tables and examples.
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Femtogram is 1e-15 gram units.
fg = ct × 200000000000000
Results update instantly for Carats to Femtograms conversions.
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Formula
fg = ct × 200000000000000
ct = fg ÷ 200000000000000
Conversion table
| 1 ct | 2.000000e+14 fg |
| 5 ct | 1.000000e+15 fg |
| 10 ct | 2.000000e+15 fg |
| 20 ct | 4.000000e+15 fg |
| 50 ct | 1.000000e+16 fg |
| 100 ct | 2.000000e+16 fg |
| 500 ct | 1.000000e+17 fg |
| 1000 ct | 2.000000e+17 fg |
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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 femtogram (fg). Femtogram is 1e-15 gram units.
How do I convert carats to femtograms?
Multiply the number of carats by 200000000000000 to get the equivalent value in femtograms. For example, 5 ct × 200000000000000 = 1.000000e+15 fg.
Is the carat to femtogram conversion exact?
Yes. This converter uses a fixed factor of 200000000000000, 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 femtogram values.
Can I convert femtograms back to carats?
Yes. Multiply the femtograms value by 5e-15, or divide it by 200000000000000, to convert back to carats.
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About this conversion
This page converts carats (ct) into femtograms (fg) using the Universal Converter's mass conversion engine.
Carat-to-Femtogram conversions are useful for everyday calculations, scientific work, shipping, and any task that mixes different weight or mass units.
The formula is fg = ct × 200000000000000, based on the standard definitions of carat and femtogram.
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. Femtogram: Femtogram is 1e-15 gram units.