The US survey foot is 1200/3937 meters and is retained for legacy land records.
US survey feet to Decameters Converter — ftUS to dam
Convert US survey foot (ftUS) to Decameter (dam) using the exact conversion factor (1 us survey foot = 0.030480061 decameter). See the formula, worked examples, and conversion table.
US survey feet 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 0.3048006096 / 10.
Length uses the meter as the base unit.
Reserved above the conversion cards and below the converter.
About Converting US survey feet to Decameters
US survey foot and Decameter both measure length. Specifically: The US survey foot is 1200/3937 meters and is retained for legacy land records, and decameter is 10 meter units.
Formula
decameters = us survey feet × 0.0304800609601
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 decameter equals 10 base units, so dividing one by the other gives the direct us survey foot-to-decameter factor of 0.0304800609601.
Simple example
1 ftUS × 0.03048006096 = 0.030480061 dam
1 us survey foot = 0.030480061 decameters.
Real-world example
10 ftUS × 0.03048006096 = 0.3048006096 dam
10 us survey feet = 0.3048006096 decameters.
Conversion table
| US survey foot (ftUS) | Decameter (dam) |
|---|---|
| 1 ftUS | 0.030480061 dam |
| 5 ftUS | 0.1524003048 dam |
| 10 ftUS | 0.3048006096 dam |
| 21.0975 ftUS | 0.6430530861 dam |
| 42.195 ftUS | 1.286106172 dam |
| 100 ftUS | 3.048006096 dam |
Reverse conversion: Decameter to US survey foot
0.030480061 dam × 32.80833333 = 1.000000001 ftUS
0.030480061 decameters = 1.000000001 us survey feet.
us survey feet = decameters × 32.8083333333
For a page dedicated to this direction, see Decameter 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 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 us survey foot?
1 us survey foot equals 0.030480061 decameters, using the exact defined conversion factor rather than an estimate.
How do I convert us survey foot to decameter?
Multiply the us survey foot value by 0.03048006096. The converter above does this instantly to whatever precision you set.
How do I convert decameter back to us survey foot?
Use the reverse factor: 1 decameter equals 32.80833333 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 decameter?
Decameter (dam) is a unit of length.
Is the us survey foot to decameter conversion exact?
Yes. Both us survey foot and decameter are defined by fixed standards rather than physical artifacts, so the factor of 0.03048006096 used above is exact to as many digits as you choose to display.