Decimeter is 0.1 meter units.
Decimeters to Feet Converter — dm to ft
Convert Decimeter (dm) to Foot (ft) using the exact conversion factor (1 decimeter = 0.3280839895 foot). See the formula, worked examples, conversion table, history, and common uses.
Decimeters to Feet 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.
A foot is exactly 0.3048 meters.
Result = input x 0.1 / 0.3048.
Length uses the meter as the base unit.
Reserved above the conversion cards and below the converter.
About Converting Decimeters to Feet
Decimeter and Foot both measure length. Specifically: Decimeter is 0.1 meter units, and a foot is exactly 0.3048 meters.
Formula
feet = decimeters × 0.328083989501
This factor comes from each unit's defined relationship to the category's base unit: 1 decimeter equals 0.1 base units, and 1 foot equals 0.3048 base units, so dividing one by the other gives the direct decimeter-to-foot factor of 0.328083989501.
Simple example
1 dm × 0.3280839895 = 0.3280839895 ft
1 decimeter = 0.3280839895 feet.
Real-world example
10 dm × 0.3280839895 = 3.280839895 ft
10 decimeters = 3.280839895 feet.
Conversion table
| Decimeter (dm) | Foot (ft) |
|---|---|
| 1 dm | 0.3280839895 ft |
| 5 dm | 1.640419948 ft |
| 10 dm | 3.280839895 ft |
| 21.0975 dm | 6.921751969 ft |
| 42.195 dm | 13.84350394 ft |
| 100 dm | 32.80839895 ft |
Reverse conversion: Foot to Decimeter
0.3280839895 ft × 3.048 = 1 dm
0.3280839895 feet = 1 decimeters.
decimeters = feet × 3.048
For a page dedicated to this direction, see Foot to Decimeter.
Understanding the Decimeter (dm)
Decimeter is 0.1 meter units.
Understanding the Foot
Foot (ft) measures distance. The international foot is defined as exactly 0.3048 meters. It is classified as a US/imperial customary unit.
Where it's used: United States (height, construction, aviation altitude) United Kingdom (height, some construction contexts)
Uses of the Foot today
- Height measurement in the US and UK
- US construction and real estate (square footage)
- Aviation altitude worldwide (feet remain standard even in metric countries)
History of the Foot
The foot has ancient roots (Roman 'pes', various regional English feet), standardized into the modern English foot over centuries. The international foot (exactly 0.3048 m) was fixed by the 1959 International Yard and Pound Agreement, resolving small historical differences between US and UK measurements.
Historical origin. Foot was not the invention of a single named person; it developed through the process described above.
Foot — sources
- NIST — International yard and pound (1959) — Fixes the modern foot at exactly 0.3048 meters.
Reserved between the cards and the FAQ so the page stays balanced.
Frequently asked questions
How many feet are in 1 decimeter?
1 decimeter equals 0.3280839895 feet, using the exact defined conversion factor rather than an estimate.
How do I convert decimeter to foot?
Multiply the decimeter value by 0.3280839895. The converter above does this instantly to whatever precision you set.
How do I convert foot back to decimeter?
Use the reverse factor: 1 foot equals 3.048 decimeters. You can also use the swap control in the converter above to flip the direction instantly.
What is a decimeter?
Decimeter (dm) is a unit of length.
What is a foot?
Foot (ft) measures distance. The international foot is defined as exactly 0.3048 meters. It is classified as a US/imperial customary unit.
Is the decimeter to foot conversion exact?
Yes. The international foot is defined as exactly 0.3048 meters. That fixed definition is what the converter above uses, so any rounding you see is a display choice, not a limitation of the math.