Convert Decimeter to Foot
Convert decimeters to feet instantly. 1 decimeter = 0.3280839895 foot — use the live calculator, the exact formula, a conversion table and worked examples. Also check the Foot to Decimeter converter for the reverse conversion.
Units explained
Decimeter
A decimeter is a metric unit of length equal to one tenth of a meter (1/10 m). Though uncommon in English-speaking countries, it remains a standard SI unit and is used in some scientific and educational contexts.
Like the centimeter and millimeter, the decimeter was defined when France adopted the metric system in 1795, using the SI prefix deci- (from Latin decimus, "tenth").
Decimeters are rarely used in everyday measurement in English-speaking countries but appear in some European technical specifications and in volume conversions (1 cubic decimeter = 1 liter).
Defined in 1795 as part of the original French metric system; remains a recognized SI unit though uncommonly used in commerce.
Foot
A foot is an Imperial and US customary unit of length equal to 12 inches or exactly 0.3048 meters. It is the most commonly used unit of length in everyday measurement in the United States.
The foot's origin is literally the length of a human foot, used as a measurement standard since antiquity. The English foot was standardized at various points in history; the modern international foot (0.3048 m exactly) was fixed by the 1959 International Yard and Pound Agreement.
Feet are used in the US for body height, building dimensions, room sizes, road sign clearances, aviation altitude (feet above sea level), and most everyday distance estimation. The UK uses feet informally for height despite officially being metric.
Used since antiquity; standardized to 0.3048 m exactly by the International Yard and Pound Agreement of 1959. Aviation worldwide uses feet for altitude despite metric adoption elsewhere.
Decimeter to Foot conversion formula
The relationship between decimeters and feet:
To convert decimeters to feet, multiply the value in decimeters by 0.3280839895. To reverse, multiply feet by 3.048.
How to use this converter
Type a value into the calculator. The result in feet updates as you type. Tap a quick value, copy the result with one click, or use the swap arrow to jump straight to the Foot to Decimeter converter for the reverse direction.
Step-by-step: convert decimeters to feet
- Write down the value in decimeters (dm).
- Multiply that value by the factor 0.3280839895.
- The product is the equivalent value in feet (ft).
- To reverse, multiply the foot value by 3.048.
Worked examples
Example 1 — Convert 1 dm to ft:
1 × 0.3280839895 = 0.3280839895 ft
Example 2 — Convert 100 dm to ft:
100 × 0.3280839895 = 32.8083989501 ft
Real-world example — Adult height conversion
A 1.8-decimeter-tall person measures a value in feet that converts the height to the unit favoured by American forms, schools, or driver's licences. This is daily routine for anyone living between metric and imperial systems.
1.8 dm × 0.3280839895 = 0.5905511811 ft
Real-world example — Fabric purchase length
Two decimeters of fabric equals a value in feet essential for tailors and textile buyers sourcing material from international suppliers that quote in different units.
2 dm × 0.3280839895 = 0.656167979 ft
Real-world example — Maritime depth conversion
A 10-decimeter sounding depth converts cleanly into feet. Recreational divers and sailors translate between the two units whenever they read legacy charts against modern depth-sounder displays.
10 dm × 0.3280839895 = 3.280839895 ft
Decimeter to Foot conversion table
Standard reference values for converting decimeters to feet:
| Decimeter [dm] | Foot [ft] |
|---|---|
| 0.01 | 0.0032808399 |
| 0.1 | 0.032808399 |
| 1 | 0.3280839895 |
| 2 | 0.656167979 |
| 3 | 0.9842519685 |
| 4 | 1.312335958 |
| 5 | 1.6404199475 |
| 10 | 3.280839895 |
| 20 | 6.56167979 |
| 30 | 9.842519685 |
| 40 | 13.1233595801 |
| 50 | 16.4041994751 |
| 100 | 32.8083989501 |
| 500 | 164.0419947507 |
| 1000 | 328.0839895013 |
Frequently asked questions
How many feet is 1 decimeter?
How do I convert decimeters to feet?
How do I convert feet back to decimeters?
How many feet is 100 decimeters?
Popular length unit conversions
Convert Decimeter to other length units
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Metric / SI (17 units)
Imperial / US Customary (7 units)
Nautical (1 units)
Sources & references
Conversion factor (1 dm = 0.3280839895 ft) verified against the following authoritative sources:
- BIPM — The International System of Units (SI Brochure 9th ed.)
Official BIPM publication defining the seven SI base units (including the meter) and the rules for their use. The global authority on units of measurement.
- NIST — Guide to the SI
US National Institute of Standards and Technology reference covering the SI base and derived units with definitions and usage rules for US technical practice.
- NIST Special Publication 811 — Guide for the Use of the International System of Units
Detailed NIST guide covering exact conversion factors between SI and US customary units along with formatting and rounding conventions.
- NIST — Refinement of values for the yard and pound (Federal Register 1959)
The treaty (signed by US
- International Hydrographic Organization — Resolution on the Nautical Mile
International authority that standardised the nautical mile at exactly 1852 m in 1929 — the value adopted worldwide for sea and air navigation.