Yoctomole is 1e-24 mole units.
Yoctomoles to Femtomoles Converter — ymol to fmol
Convert Yoctomole (ymol) to Femtomole (fmol) using the exact conversion factor (1 yoctomole = 1e-9 femtomole). See the formula, worked examples, and conversion table.
Yoctomoles to Femtomoles converter
Converter
Chemistry Converter
Convert concentration, molarity, amount, and laboratory scientific units by compatible family.
Context values
Some unit families need one extra value for a physically accurate result.
Femtomole is 1e-15 mole units.
Result = input x 1e-24 / 1e-15.
Amount units are compatible.
Reserved above the conversion cards and below the converter.
About Converting Yoctomoles to Femtomoles
Yoctomole and Femtomole both measure mass concentration — how much of a substance is dissolved or dispersed in a given volume — a core calculation for preparing lab solutions, checking water quality against a regulatory limit, or formulating a pharmaceutical dose. Specifically: Yoctomole is 1e-24 mole units, and femtomole is 1e-15 mole units.
Formula
femtomoles = yoctomoles × 1e-9
This factor comes from each unit's defined relationship to the category's base unit: 1 yoctomole equals 1e-24 base units, and 1 femtomole equals 1e-15 base units, so dividing one by the other gives the direct yoctomole-to-femtomole factor of 1e-9.
Simple example
1 ymol × 1e-9 = 1e-9 fmol
1 yoctomole = 1e-9 femtomoles.
Real-world example
100 ymol × 1e-9 = 1e-7 fmol
100 yoctomoles = 1e-7 femtomoles.
Conversion table
| Yoctomole (ymol) | Femtomole (fmol) |
|---|---|
| 0.001 ymol | 1e-12 fmol |
| 0.01 ymol | 1e-11 fmol |
| 0.1 ymol | 1e-10 fmol |
| 1 ymol | 1e-9 fmol |
| 10 ymol | 1e-8 fmol |
| 100 ymol | 1e-7 fmol |
Reverse conversion: Femtomole to Yoctomole
1e-9 fmol × 1000000000 = 1 ymol
1e-9 femtomoles = 1 yoctomoles.
yoctomoles = femtomoles × 1000000000
For a page dedicated to this direction, see Femtomole to Yoctomole.
Understanding the Yoctomole (ymol)
Yoctomole is 1e-24 mole units.
Understanding the Femtomole (fmol)
Femtomole is 1e-15 mole units.
Reserved between the cards and the FAQ so the page stays balanced.
Frequently asked questions
How many femtomoles are in 1 yoctomole?
1 yoctomole equals 1e-9 femtomoles, using the exact defined conversion factor rather than an estimate.
How do I convert yoctomole to femtomole?
Multiply the yoctomole value by 1e-9. The converter above does this instantly to whatever precision you set.
How do I convert femtomole back to yoctomole?
Use the reverse factor: 1 femtomole equals 1,000,000,000 yoctomoles. You can also use the swap control in the converter above to flip the direction instantly.
What is a yoctomole?
Yoctomole (ymol) is a unit of chemistry.
What is a femtomole?
Femtomole (fmol) is a unit of chemistry.
Is the yoctomole to femtomole conversion exact?
Yes. Both yoctomole and femtomole are defined by fixed standards rather than physical artifacts, so the factor of 1e-9 used above is exact to as many digits as you choose to display.
What's the difference between mass concentration and molarity?
Mass concentration expresses how much mass of a substance is present per unit volume (for example, grams per liter). Molarity expresses the amount in moles per liter instead, which accounts for the substance's molecular weight. This category converts mass-concentration units.