Nanomole is 1e-9 mole units.
Nanomoles to Rontomoles Converter — nmol to rmol
Convert Nanomole (nmol) to Rontomole (rmol) using the exact conversion factor (1 nanomole = 1e+18 rontomole). See the formula, worked examples, and conversion table.
Nanomoles to Rontomoles 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.
Rontomole is 1e-27 mole units.
Result = input x 1e-9 / 1e-27.
Amount units are compatible.
Reserved above the conversion cards and below the converter.
About Converting Nanomoles to Rontomoles
Nanomole and Rontomole 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: Nanomole is 1e-9 mole units, and rontomole is 1e-27 mole units.
Formula
rontomoles = nanomoles × 1e+18
This factor comes from each unit's defined relationship to the category's base unit: 1 nanomole equals 1e-9 base units, and 1 rontomole equals 1e-27 base units, so dividing one by the other gives the direct nanomole-to-rontomole factor of 1e+18.
Simple example
1 nmol × 1e+18 = 1e+18 rmol
1 nanomole = 1e+18 rontomoles.
Real-world example
100 nmol × 1e+18 = 1e+20 rmol
100 nanomoles = 1e+20 rontomoles.
Conversion table
| Nanomole (nmol) | Rontomole (rmol) |
|---|---|
| 0.001 nmol | 1e+15 rmol |
| 0.01 nmol | 1e+16 rmol |
| 0.1 nmol | 1e+17 rmol |
| 1 nmol | 1e+18 rmol |
| 10 nmol | 1e+19 rmol |
| 100 nmol | 1e+20 rmol |
Reverse conversion: Rontomole to Nanomole
1e+18 rmol × 1e-18 = 1 nmol
1e+18 rontomoles = 1 nanomole.
nanomoles = rontomoles × 1e-18
For a page dedicated to this direction, see Rontomole to Nanomole.
Understanding the Nanomole (nmol)
Nanomole is 1e-9 mole units.
Understanding the Rontomole (rmol)
Rontomole is 1e-27 mole units.
Reserved between the cards and the FAQ so the page stays balanced.
Frequently asked questions
How many rontomoles are in 1 nanomole?
1 nanomole equals 1e+18 rontomoles, using the exact defined conversion factor rather than an estimate.
How do I convert nanomole to rontomole?
Multiply the nanomole value by 1e+18. The converter above does this instantly to whatever precision you set.
How do I convert rontomole back to nanomole?
Use the reverse factor: 1 rontomole equals 1e-18 nanomoles. You can also use the swap control in the converter above to flip the direction instantly.
What is a nanomole?
Nanomole (nmol) is a unit of chemistry.
What is a rontomole?
Rontomole (rmol) is a unit of chemistry.
Is the nanomole to rontomole conversion exact?
Yes. Both nanomole and rontomole are defined by fixed standards rather than physical artifacts, so the factor of 1e+18 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.