Hectomole is 100 mole units.
Hectomoles to Gigamoles Converter — hmol to Gmol
Convert Hectomole (hmol) to Gigamole (Gmol) using the exact conversion factor (1 hectomole = 1e-7 gigamole). See the formula, worked examples, and conversion table.
Hectomoles to Gigamoles 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.
Gigamole is 1000000000 mole units.
Result = input x 100 / 1e+9.
Amount units are compatible.
Reserved above the conversion cards and below the converter.
About Converting Hectomoles to Gigamoles
Hectomole and Gigamole 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: Hectomole is 100 mole units, and gigamole is 1000000000 mole units.
Formula
gigamoles = hectomoles × 1e-7
This factor comes from each unit's defined relationship to the category's base unit: 1 hectomole equals 100 base units, and 1 gigamole equals 1000000000 base units, so dividing one by the other gives the direct hectomole-to-gigamole factor of 1e-7.
Simple example
1 hmol × 1e-7 = 1e-7 Gmol
1 hectomole = 1e-7 gigamoles.
Real-world example
100 hmol × 1e-7 = 0.00001 Gmol
100 hectomoles = 0.00001 gigamoles.
Conversion table
| Hectomole (hmol) | Gigamole (Gmol) |
|---|---|
| 0.001 hmol | 1e-10 Gmol |
| 0.01 hmol | 1e-9 Gmol |
| 0.1 hmol | 1e-8 Gmol |
| 1 hmol | 1e-7 Gmol |
| 10 hmol | 0.000001 Gmol |
| 100 hmol | 0.00001 Gmol |
Reverse conversion: Gigamole to Hectomole
1e-7 Gmol × 10000000 = 1 hmol
1e-7 gigamoles = 1 hectomole.
hectomoles = gigamoles × 10000000
For a page dedicated to this direction, see Gigamole to Hectomole.
Understanding the Hectomole (hmol)
Hectomole is 100 mole units.
Understanding the Gigamole (Gmol)
Gigamole is 1000000000 mole units.
Reserved between the cards and the FAQ so the page stays balanced.
Frequently asked questions
How many gigamoles are in 1 hectomole?
1 hectomole equals 1e-7 gigamoles, using the exact defined conversion factor rather than an estimate.
How do I convert hectomole to gigamole?
Multiply the hectomole value by 1e-7. The converter above does this instantly to whatever precision you set.
How do I convert gigamole back to hectomole?
Use the reverse factor: 1 gigamole equals 10,000,000 hectomoles. You can also use the swap control in the converter above to flip the direction instantly.
What is a hectomole?
Hectomole (hmol) is a unit of chemistry.
What is a gigamole?
Gigamole (Gmol) is a unit of chemistry.
Is the hectomole to gigamole conversion exact?
Yes. Both hectomole and gigamole are defined by fixed standards rather than physical artifacts, so the factor of 1e-7 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.