Zettamole is 1e+21 mole units.
Zettamoles to Attomoles Converter — Zmol to amol
Convert Zettamole (Zmol) to Attomole (amol) using the exact conversion factor (1 zettamole = 1e+39 attomole). See the formula, worked examples, and conversion table.
Zettamoles to Attomoles converter
Converter
Chemistry Converter
Convert concentration, molarity, amount, and laboratory scientific units by compatible family.
Attomole is 1e-18 mole units.
Result = input x 1e+21 / 1e-18.
Amount units are compatible.
Reserved above the conversion cards and below the converter.
About Converting Zettamoles to Attomoles
Zettamole and Attomole 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: Zettamole is 1e+21 mole units, and attomole is 1e-18 mole units.
Formula
attomoles = zettamoles × 1e+39
This factor comes from each unit's defined relationship to the category's base unit: 1 zettamole equals 1e+21 base units, and 1 attomole equals 1e-18 base units, so dividing one by the other gives the direct zettamole-to-attomole factor of 1e+39.
Simple example
1 Zmol × 1e+39 = 1e+39 amol
1 zettamole = 1e+39 attomoles.
Real-world example
100 Zmol × 1e+39 = 1e+41 amol
100 zettamoles = 1e+41 attomoles.
Conversion table
| Zettamole (Zmol) | Attomole (amol) |
|---|---|
| 0.001 Zmol | 1e+36 amol |
| 0.01 Zmol | 1e+37 amol |
| 0.1 Zmol | 1e+38 amol |
| 1 Zmol | 1e+39 amol |
| 10 Zmol | 1e+40 amol |
| 100 Zmol | 1e+41 amol |
Reverse conversion: Attomole to Zettamole
1e+39 amol × 1e-39 = 1 Zmol
1e+39 attomoles = 1 zettamole.
zettamoles = attomoles × 1e-39
For a page dedicated to this direction, see Attomole to Zettamole.
Understanding the Zettamole (Zmol)
Zettamole is 1e+21 mole units.
Understanding the Attomole (amol)
Attomole is 1e-18 mole units.
Reserved between the cards and the FAQ so the page stays balanced.
Frequently asked questions
How many attomoles are in 1 zettamole?
1 zettamole equals 1e+39 attomoles, using the exact defined conversion factor rather than an estimate.
How do I convert zettamole to attomole?
Multiply the zettamole value by 1e+39. The converter above does this instantly to whatever precision you set.
How do I convert attomole back to zettamole?
Use the reverse factor: 1 attomole equals 1e-39 zettamoles. You can also use the swap control in the converter above to flip the direction instantly.
What is a zettamole?
Zettamole (Zmol) is a unit of chemistry.
What is a attomole?
Attomole (amol) is a unit of chemistry.
Is the zettamole to attomole conversion exact?
Yes. Both zettamole and attomole are defined by fixed standards rather than physical artifacts, so the factor of 1e+39 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.