Square metric area unit.
Square Decameters to Roods Converter — dam2 to rood
Convert Square Decameter (dam2) to Rood (rood) using the exact conversion factor (1 square decameter = 0.0988421526 rood). See the formula, worked examples, and conversion table.
Square Decameters to Roods converter
Converter
Area Converter
Convert land, construction, mapping, survey, and scientific area units.
Context values
Some unit families need one extra value for a physically accurate result.
A rood is one quarter of an acre.
Result = input x 100 / 1011.714106.
Area uses the square meter as the base unit.
Reserved above the conversion cards and below the converter.
About Converting Square Decameters to Roods
Comparing Square Decameter and Rood is common in agriculture and real estate, where US land is typically measured in acres and most of the rest of the world uses hectares. Specifically: Square metric area unit, and a rood is one quarter of an acre.
Formula
roods = square decameters × 0.0988421525869
This factor comes from each unit's defined relationship to the category's base unit: 1 square decameter equals 100 base units, and 1 rood equals 1011.7141056 base units, so dividing one by the other gives the direct square decameter-to-rood factor of 0.0988421525869.
Simple example
1 dam2 × 0.09884215259 = 0.0988421526 rood
1 square decameter = 0.0988421526 roods.
Real-world example
10 dam2 × 0.09884215259 = 0.9884215259 rood
10 square decameters = 0.9884215259 roods.
Conversion table
| Square Decameter (dam2) | Rood (rood) |
|---|---|
| 1 dam2 | 0.0988421526 rood |
| 5 dam2 | 0.4942107629 rood |
| 10 dam2 | 0.9884215259 rood |
| 25 dam2 | 2.471053815 rood |
| 50 dam2 | 4.942107629 rood |
| 100 dam2 | 9.884215259 rood |
Reverse conversion: Rood to Square Decameter
0.0988421526 rood × 10.11714106 = 1 dam2
0.0988421526 roods = 1 square decameters.
square decameters = roods × 10.117141056
For a page dedicated to this direction, see Rood to Square Decameter.
Understanding the Square Decameter (dam2)
Square metric area unit.
Understanding the Rood (rood)
A rood is one quarter of an acre.
Reserved between the cards and the FAQ so the page stays balanced.
Frequently asked questions
How many roods are in 1 square decameter?
1 square decameter equals 0.0988421526 roods, using the exact defined conversion factor rather than an estimate.
How do I convert square decameter to rood?
Multiply the square decameter value by 0.09884215259. The converter above does this instantly to whatever precision you set.
How do I convert rood back to square decameter?
Use the reverse factor: 1 rood equals 10.11714106 square decameters. You can also use the swap control in the converter above to flip the direction instantly.
What is a square decameter?
Square Decameter (dam2) is a unit of area.
What is a rood?
Rood (rood) is a unit of area.
Is the square decameter to rood conversion exact?
Yes. Both square decameter and rood are defined by fixed standards rather than physical artifacts, so the factor of 0.09884215259 used above is exact to as many digits as you choose to display.