Instant · Precise · Universal
32 units available
6 categories total
To convert dm to meters: divide by 10. To convert dm to inches: multiply by 3.937.
1 dm = 0.1 m = 10 cm = 100 mm. One cubic decimeter (dm³) equals exactly 1 liter.
For example, 1 Decimeter (dm) = 1.573130e-8 Earth's Polar Radius (R⊕ (polar)).
| Decimeter (dm) | Earth's Polar Radius (R⊕ (polar)) |
|---|---|
| 0.1 | 1.573130e-9 |
| 0.5 | 7.865652e-9 |
| 1 | 1.573130e-8 |
| 2 | 3.146261e-8 |
| 5 | 7.865652e-8 |
| 10 | 1.573130e-7 |
| 25 | 3.932826e-7 |
| 50 | 7.865652e-7 |
| 100 | 0.000001573130355 |
| 500 | 0.000007865651773 |
| 1000 | 0.00001573130355 |
The decimeter is a unit of length equal to one tenth of a meter (10⁻¹ m), or 10 centimeters.
1 dm = 0.1 m = 10 cm = 100 mm. One cubic decimeter (dm³) equals exactly 1 liter.
To convert dm to meters: divide by 10. To convert dm to inches: multiply by 3.937.
The cubic decimeter (dm³ = 1 liter) is its most important practical application, linking length to volume.
The decimeter's greatest legacy is the liter — 1 liter is defined as exactly 1 dm³.
Rarely encountered, so people sometimes forget the conversion: 1 dm = 10 cm, not 100 cm.
Remember: deci = 10⁻¹. The decimeter's main utility is connecting length to volume via 1 L = 1 dm³.
The Earth's polar radius is the distance from Earth's center to either pole, approximately 6,356.752 km.
R⊕(polar) = 6,356,752.3 m. It is about 21.385 km shorter than the equatorial radius.
To convert Earth polar radii to meters: multiply by 6,356,752.3.
Geodetic calculations, gravity modeling, and precise cartography near the poles.
At the poles, you are about 21 km closer to Earth's center than at the equator — you weigh very slightly more!
Approximating Earth as a perfect sphere — the difference between equatorial and polar radii matters for precision applications.
Earth's shape (oblate spheroid) is like a slightly squished ball — wider at the equator, flatter at the poles.



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