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US survey foot Unit Converter
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US survey foot [ft-us]

A unit used specifically in U.S. geodetic surveys, where 1 ft-us = 1200/3937 meters ≈ 0.30480061 meters, slightly larger than the international foot (0.3048 meters). Used in systems like the U.S. State Plane Coordinate System (SPCS); care must be taken regarding precision differences when used interchangeably with the international foot in general engineering.

millimeter [mm]

A unit used specifically in U.S. geodetic surveys, where 1 ft-us = 1200/3937 meters ≈ 0.30480061 meters, slightly larger than the international foot (0.3048 meters). Used in systems like the U.S. State Plane Coordinate System (SPCS); care must be taken regarding precision differences when used interchangeably with the international foot in general engineering.

Convert US survey foot [ft-us] to millimeter [mm]
US survey foot [ft-us]millimeter [mm]
1 ft-us304.8005998463808 mm
2 ft-us609.6011996927616 mm
3 ft-us914.4017995391423 mm
4 ft-us1219.2023993855232 mm
5 ft-us1524.0029992319041 mm
10 ft-us3048.0059984638083 mm
20 ft-us6096.011996927617 mm
30 ft-us9144.017995391425 mm
US survey foot [ft-us]millimeter [mm]
40 ft-us12192.023993855233 mm
50 ft-us15240.029992319041 mm
100 ft-us30480.059984638083 mm
200 ft-us60960.119969276166 mm
300 ft-us91440.17995391425 mm
400 ft-us121920.23993855233 mm
500 ft-us152400.2999231904 mm
1000 ft-us304800.5998463808 mm