Hectometer is 100 meter units.
Hectometers to Decimeters Converter — hm to dm
Convert Hectometer (hm) to Decimeter (dm) using the exact conversion factor (1 hectometer = 1,000 decimeter). See the formula, worked examples, and conversion table.
Hectometers to Decimeters converter
Converter
Length Converter
Convert SI, imperial, US customary, astronomical, scientific, and historical length units.
Context values
Some unit families need one extra value for a physically accurate result.
Decimeter is 0.1 meter units.
Result = input x 100 / 0.1.
Length uses the meter as the base unit.
Reserved above the conversion cards and below the converter.
About Converting Hectometers to Decimeters
Hectometer and Decimeter both measure length. Specifically: Hectometer is 100 meter units, and decimeter is 0.1 meter units.
Formula
decimeters = hectometers × 1000
This factor comes from each unit's defined relationship to the category's base unit: 1 hectometer equals 100 base units, and 1 decimeter equals 0.1 base units, so dividing one by the other gives the direct hectometer-to-decimeter factor of 1000.
Simple example
1 hm × 1000 = 1,000 dm
1 hectometer = 1,000 decimeters.
Real-world example
10 hm × 1000 = 10,000 dm
10 hectometers = 10,000 decimeters.
Conversion table
| Hectometer (hm) | Decimeter (dm) |
|---|---|
| 1 hm | 1,000 dm |
| 5 hm | 5,000 dm |
| 10 hm | 10,000 dm |
| 21.0975 hm | 21,097.5 dm |
| 42.195 hm | 42,195 dm |
| 100 hm | 100,000 dm |
Reverse conversion: Decimeter to Hectometer
1 dm × 0.001 = 0.001 hm
1 decimeter = 0.001 hectometers.
hectometers = decimeters × 0.001
For a page dedicated to this direction, see Decimeter to Hectometer.
Understanding the Hectometer (hm)
Hectometer is 100 meter units.
Understanding the Decimeter (dm)
Decimeter is 0.1 meter units.
Reserved between the cards and the FAQ so the page stays balanced.
Frequently asked questions
How many decimeters are in 1 hectometer?
1 hectometer equals 1,000 decimeters, using the exact defined conversion factor rather than an estimate.
How do I convert hectometer to decimeter?
Multiply the hectometer value by 1000. The converter above does this instantly to whatever precision you set.
How do I convert decimeter back to hectometer?
Use the reverse factor: 1 decimeter equals 0.001 hectometers. You can also use the swap control in the converter above to flip the direction instantly.
What is a hectometer?
Hectometer (hm) is a unit of length.
What is a decimeter?
Decimeter (dm) is a unit of length.
Is the hectometer to decimeter conversion exact?
Yes. Both hectometer and decimeter are defined by fixed standards rather than physical artifacts, so the factor of 1000 used above is exact to as many digits as you choose to display.