Earth's Polar Radius to Decameter Converter
Unit Converter
Instant · Precise · Universal
32 units available
6 categories total
How to Convert Earth's Polar Radius to Decameter
To convert Earth polar radii to meters: multiply by 6,356,752.3.
R⊕(polar) = 6,356,752.3 m. It is about 21.385 km shorter than the equatorial radius.
For example, 1 Earth's Polar Radius (R⊕ (polar)) = 635675.23 Decameter (dam).
Earth's Polar Radius to Decameter — Common Values
| Earth's Polar Radius (R⊕ (polar)) | Decameter (dam) |
|---|---|
| 0.1 | 63567.523 |
| 0.5 | 317837.615 |
| 1 | 635675.23 |
| 2 | 1271350.46 |
| 5 | 3178376.15 |
| 10 | 6356752.3 |
| 25 | 15891880.75 |
| 50 | 31783761.5 |
| 100 | 63567523 |
| 500 | 317837615 |
| 1000 | 635675230 |
About Earth's Polar Radius (R⊕ (polar))
Definition
The Earth's polar radius is the distance from Earth's center to either pole, approximately 6,356.752 km.
Mathematical Relationship
R⊕(polar) = 6,356,752.3 m. It is about 21.385 km shorter than the equatorial radius.
Conversion Formula
To convert Earth polar radii to meters: multiply by 6,356,752.3.
Practical Applications
Geodetic calculations, gravity modeling, and precise cartography near the poles.
Interesting Facts
At the poles, you are about 21 km closer to Earth's center than at the equator — you weigh very slightly more!
Common Mistakes
Approximating Earth as a perfect sphere — the difference between equatorial and polar radii matters for precision applications.
Educational Tips
Earth's shape (oblate spheroid) is like a slightly squished ball — wider at the equator, flatter at the poles.
About Decameter (dam)
Definition
The decameter (or dekameter) is a unit of length equal to 10 meters.
Mathematical Relationship
1 dam = 10 m = 0.01 km = 1,000 cm. One hectare = 100 m × 100 m = 10 dam × 10 dam.
Conversion Formula
To convert dam to meters: multiply by 10. To convert dam to feet: multiply by 32.8084.
Practical Applications
Occasionally used in plot/field dimensions in agriculture and in some European forestry measurements.
Interesting Facts
The decameter is one of the least-used SI prefixed units. Most people skip from meters to hectometers or kilometers.
Common Mistakes
Confusing 'dam' (decameter) with 'dm' (decimeter) — they differ by a factor of 100.
Educational Tips
Remember: deca = 10, deci = 0.1. They're opposite prefixes — deca makes larger, deci makes smaller.