Convert Meter to Dekameter
Convert meters to dekameters instantly. 1 meter = 0.1 dekameter — use the live calculator, the exact formula, a conversion table and worked examples. Also check the Dekameter to Meter converter for the reverse conversion.
Units explained
Meter
The meter is the SI base unit of length. Since 2019, the meter has been defined by fixing the numerical value of the speed of light in vacuum to exactly 299,792,458 meters per second. Every other SI length unit derives from the meter.
The meter was originally defined in 1793 by the French Academy of Sciences as one ten-millionth of the distance from the equator to the North Pole along a meridian through Paris. It has been redefined multiple times — by physical prototype, then by atomic transitions, and finally in 2019 by fundamental physical constants.
The meter is the international standard for length in science, engineering, construction, athletics, and everyday measurement in metric countries. It underpins definitions of area (m²), volume (m³), and most derived SI units.
Established 1793 in France; ratified internationally via the Metre Convention 1875; redefined in 1960, 1983, and most recently 2019 when the SI redefinition fixed it to the speed of light.
Dekameter
A dekameter (also spelled decameter) is a metric unit of length equal to ten meters (10 m). It is one of the less commonly used SI prefix units and primarily appears in agricultural, surveying, and atmospheric contexts.
The dekameter was defined alongside the meter when France adopted the metric system in 1795, using the standard SI prefix deca- (from Greek deka, ten) to denote a multiplication by ten.
Dekameters are used in some European agricultural contexts (parcel sizes, field measurements), atmospheric science (cloud heights), and certain track and field events. Modern usage is uncommon outside specialised technical fields.
Adopted in 1795 in France; ratified through the Metre Convention of 1875; remains a recognised SI prefix unit although informally superseded by the more common meter and hectometer in everyday surveying.
Meter to Dekameter conversion formula
The relationship between meters and dekameters:
To convert meters to dekameters, multiply the value in meters by 0.1. To reverse, multiply dekameters by 10.
How to use this converter
Type a value into the calculator. The result in dekameters updates as you type. Tap a quick value, copy the result with one click, or use the swap arrow to jump straight to the Dekameter to Meter converter for the reverse direction.
Step-by-step: convert meters to dekameters
- Write down the value in meters (m).
- Multiply that value by the factor 0.1.
- The product is the equivalent value in dekameters (dam).
- To reverse, multiply the dekameter value by 10.
Worked examples
Example 1 — Convert 1 m to dam:
1 × 0.1 = 0.1 dam
Example 2 — Convert 100 m to dam:
100 × 0.1 = 10 dam
Real-world example — Adult height conversion
A 1.8-meter-tall person measures a value in dekameters 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 m × 0.1 = 0.18 dam
Real-world example — Fabric purchase length
Two meters of fabric equals a value in dekameters essential for tailors and textile buyers sourcing material from international suppliers that quote in different units.
2 m × 0.1 = 0.2 dam
Real-world example — Maritime depth conversion
A 10-meter sounding depth converts cleanly into dekameters. Recreational divers and sailors translate between the two units whenever they read legacy charts against modern depth-sounder displays.
10 m × 0.1 = 1 dam
Meter to Dekameter conversion table
Standard reference values for converting meters to dekameters:
| Meter [m] | Dekameter [dam] |
|---|---|
| 0.01 | 0.001 |
| 0.1 | 0.01 |
| 1 | 0.1 |
| 2 | 0.2 |
| 3 | 0.3 |
| 4 | 0.4 |
| 5 | 0.5 |
| 10 | 1 |
| 20 | 2 |
| 30 | 3 |
| 40 | 4 |
| 50 | 5 |
| 100 | 10 |
| 500 | 50 |
| 1000 | 100 |
Frequently asked questions
How many dekameters is 1 meter?
How do I convert meters to dekameters?
How do I convert dekameters back to meters?
How many dekameters is 100 meters?
Popular length unit conversions
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Sources & references
Conversion factor (1 m = 0.1 dam) 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.