A league is commonly treated as three statute miles.
Leagues to Megameters Converter — lea to Mm
Convert League (lea) to Megameter (Mm) using the exact conversion factor (1 league = 0.004828032 megameter). See the formula, worked examples, and conversion table.
Leagues to Megameters 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.
Megameter is 1000000 meter units.
Result = input x 4828.032 / 1e+6.
Length uses the meter as the base unit.
Reserved above the conversion cards and below the converter.
About Converting Leagues to Megameters
League and Megameter both measure length. Specifically: A league is commonly treated as three statute miles, and megameter is 1000000 meter units.
Formula
megameters = leagues × 0.004828032
This factor comes from each unit's defined relationship to the category's base unit: 1 league equals 4828.032 base units, and 1 megameter equals 1000000 base units, so dividing one by the other gives the direct league-to-megameter factor of 0.004828032.
Simple example
1 lea × 0.004828032 = 0.004828032 Mm
1 league = 0.004828032 megameters.
Real-world example
10 lea × 0.004828032 = 0.04828032 Mm
10 leagues = 0.04828032 megameters.
Conversion table
| League (lea) | Megameter (Mm) |
|---|---|
| 1 lea | 0.004828032 Mm |
| 5 lea | 0.02414016 Mm |
| 10 lea | 0.04828032 Mm |
| 21.0975 lea | 0.1018594051 Mm |
| 42.195 lea | 0.2037188102 Mm |
| 100 lea | 0.4828032 Mm |
Reverse conversion: Megameter to League
0.004828032 Mm × 207.1237307 = 1 lea
0.004828032 megameters = 1 league.
leagues = megameters × 207.123730746
For a page dedicated to this direction, see Megameter to League.
Understanding the League (lea)
A league is commonly treated as three statute miles.
Understanding the Megameter (Mm)
Megameter is 1000000 meter units.
Reserved between the cards and the FAQ so the page stays balanced.
Frequently asked questions
How many megameters are in 1 league?
1 league equals 0.004828032 megameters, using the exact defined conversion factor rather than an estimate.
How do I convert league to megameter?
Multiply the league value by 0.004828032. The converter above does this instantly to whatever precision you set.
How do I convert megameter back to league?
Use the reverse factor: 1 megameter equals 207.1237307 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 megameter?
Megameter (Mm) is a unit of length.
Is the league to megameter conversion exact?
Yes. Both league and megameter are defined by fixed standards rather than physical artifacts, so the factor of 0.004828032 used above is exact to as many digits as you choose to display.