The US survey foot is 1200/3937 meters and is retained for legacy land records.
US survey feet to Megameters Converter — ftUS to Mm
Convert US survey foot (ftUS) to Megameter (Mm) using the exact conversion factor (1 us survey foot = 3.048006e-7 megameter). See the formula, worked examples, and conversion table.
US survey feet 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 0.3048006096 / 1e+6.
Length uses the meter as the base unit.
Reserved above the conversion cards and below the converter.
About Converting US survey feet to Megameters
US survey foot and Megameter both measure length. Specifically: The US survey foot is 1200/3937 meters and is retained for legacy land records, and megameter is 1000000 meter units.
Formula
megameters = us survey feet × 3.048006e-7
This factor comes from each unit's defined relationship to the category's base unit: 1 us survey foot equals 0.304800609601 base units, and 1 megameter equals 1000000 base units, so dividing one by the other gives the direct us survey foot-to-megameter factor of 3.048006e-7.
Simple example
1 ftUS × 3.048006e-7 = 3.048006e-7 Mm
1 us survey foot = 3.048006e-7 megameters.
Real-world example
10 ftUS × 3.048006e-7 = 0.000003048 Mm
10 us survey feet = 0.000003048 megameters.
Conversion table
| US survey foot (ftUS) | Megameter (Mm) |
|---|---|
| 1 ftUS | 3.048006e-7 Mm |
| 5 ftUS | 0.000001524 Mm |
| 10 ftUS | 0.000003048 Mm |
| 21.0975 ftUS | 0.0000064305 Mm |
| 42.195 ftUS | 0.0000128611 Mm |
| 100 ftUS | 0.0000304801 Mm |
Reverse conversion: Megameter to US survey foot
3.048006e-7 Mm × 3280833.333 = 0.9999999685 ftUS
3.048006e-7 megameters = 0.9999999685 us survey feet.
us survey feet = megameters × 3280833.33333
For a page dedicated to this direction, see Megameter to US survey foot.
Understanding the US survey foot (ftUS)
The US survey foot is 1200/3937 meters and is retained for legacy land records.
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 us survey foot?
1 us survey foot equals 3.048006e-7 megameters, using the exact defined conversion factor rather than an estimate.
How do I convert us survey foot to megameter?
Multiply the us survey foot value by 3.048006e-7. The converter above does this instantly to whatever precision you set.
How do I convert megameter back to us survey foot?
Use the reverse factor: 1 megameter equals 3,280,833.333 us survey feet. You can also use the swap control in the converter above to flip the direction instantly.
What is a us survey foot?
US survey foot (ftUS) is a unit of length.
What is a megameter?
Megameter (Mm) is a unit of length.
Is the us survey foot to megameter conversion exact?
Yes. Both us survey foot and megameter are defined by fixed standards rather than physical artifacts, so the factor of 3.048006e-7 used above is exact to as many digits as you choose to display.