A league is commonly treated as three statute miles.
Leagues to Decameters Converter — lea to dam
Convert League (lea) to Decameter (dam) using the exact conversion factor (1 league = 482.8032 decameter). See the formula, worked examples, and conversion table.
Leagues to Decameters 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.
Decameter is 10 meter units.
Result = input x 4828.032 / 10.
Length uses the meter as the base unit.
Reserved above the conversion cards and below the converter.
About Converting Leagues to Decameters
League and Decameter both measure length. Specifically: A league is commonly treated as three statute miles, and decameter is 10 meter units.
Formula
decameters = leagues × 482.8032
This factor comes from each unit's defined relationship to the category's base unit: 1 league equals 4828.032 base units, and 1 decameter equals 10 base units, so dividing one by the other gives the direct league-to-decameter factor of 482.8032.
Simple example
1 lea × 482.8032 = 482.8032 dam
1 league = 482.8032 decameters.
Real-world example
10 lea × 482.8032 = 4,828.032 dam
10 leagues = 4,828.032 decameters.
Conversion table
| League (lea) | Decameter (dam) |
|---|---|
| 1 lea | 482.8032 dam |
| 5 lea | 2,414.016 dam |
| 10 lea | 4,828.032 dam |
| 21.0975 lea | 10,185.94051 dam |
| 42.195 lea | 20,371.88102 dam |
| 100 lea | 48,280.32 dam |
Reverse conversion: Decameter to League
482.8032 dam × 0.002071237307 = 1 lea
482.8032 decameters = 1 league.
leagues = decameters × 0.00207123730746
For a page dedicated to this direction, see Decameter to League.
Understanding the League (lea)
A league is commonly treated as three statute miles.
Understanding the Decameter (dam)
Decameter is 10 meter units.
Reserved between the cards and the FAQ so the page stays balanced.
Frequently asked questions
How many decameters are in 1 league?
1 league equals 482.8032 decameters, using the exact defined conversion factor rather than an estimate.
How do I convert league to decameter?
Multiply the league value by 482.8032. The converter above does this instantly to whatever precision you set.
How do I convert decameter back to league?
Use the reverse factor: 1 decameter equals 0.0020712373 leagues. You can also use the swap control in the converter above to flip the direction instantly.
What is a league?
League (lea) is a unit of length.
What is a decameter?
Decameter (dam) is a unit of length.
Is the league to decameter conversion exact?
Yes. Both league and decameter are defined by fixed standards rather than physical artifacts, so the factor of 482.8032 used above is exact to as many digits as you choose to display.