Hectoliter is 100 liter units.
Hectoliters to Rontoliters Converter — hL to rL
Convert Hectoliter (hL) to Rontoliter (rL) using the exact conversion factor (1 hectoliter = 1e+29 rontoliter). See the formula, worked examples, and conversion table.
Hectoliters to Rontoliters converter
Converter
Volume Converter
Convert metric, US customary, imperial, cooking, dry, and industrial volume units.
Context values
Some unit families need one extra value for a physically accurate result.
Rontoliter is 1e-27 liter units.
Result = input x 0.1 / 1e-30.
Volume uses the cubic meter as the base unit.
Reserved above the conversion cards and below the converter.
About Converting Hectoliters to Rontoliters
Hectoliter and Rontoliter appear side by side at fuel pumps and on beverage labels, since the US measures liquids in gallons while most of the world uses liters. Specifically: Hectoliter is 100 liter units, and rontoliter is 1e-27 liter units.
Formula
rontoliters = hectoliters × 1e+29
This factor comes from each unit's defined relationship to the category's base unit: 1 hectoliter equals 0.1 base units, and 1 rontoliter equals 1e-30 base units, so dividing one by the other gives the direct hectoliter-to-rontoliter factor of 1e+29.
Simple example
1 hL × 1e+29 = 1e+29 rL
1 hectoliter = 1e+29 rontoliters.
Real-world example
10 hL × 1e+29 = 1e+30 rL
10 hectoliters = 1e+30 rontoliters.
Conversion table
| Hectoliter (hL) | Rontoliter (rL) |
|---|---|
| 1 hL | 1e+29 rL |
| 5 hL | 5e+29 rL |
| 10 hL | 1e+30 rL |
| 25 hL | 2.5e+30 rL |
| 50 hL | 5e+30 rL |
| 100 hL | 1e+31 rL |
Reverse conversion: Rontoliter to Hectoliter
1e+29 rL × 1e-29 = 1 hL
1e+29 rontoliters = 1 hectoliter.
hectoliters = rontoliters × 1e-29
For a page dedicated to this direction, see Rontoliter to Hectoliter.
Understanding the Hectoliter (hL)
Hectoliter is 100 liter units.
Understanding the Rontoliter (rL)
Rontoliter is 1e-27 liter units.
Reserved between the cards and the FAQ so the page stays balanced.
Frequently asked questions
How many rontoliters are in 1 hectoliter?
1 hectoliter equals 1e+29 rontoliters, using the exact defined conversion factor rather than an estimate.
How do I convert hectoliter to rontoliter?
Multiply the hectoliter value by 1e+29. The converter above does this instantly to whatever precision you set.
How do I convert rontoliter back to hectoliter?
Use the reverse factor: 1 rontoliter equals 1e-29 hectoliters. You can also use the swap control in the converter above to flip the direction instantly.
What is a hectoliter?
Hectoliter (hL) is a unit of volume.
What is a rontoliter?
Rontoliter (rL) is a unit of volume.
Is the hectoliter to rontoliter conversion exact?
Yes. Both hectoliter and rontoliter are defined by fixed standards rather than physical artifacts, so the factor of 1e+29 used above is exact to as many digits as you choose to display.