Square metric area unit.
Square Centimeters to Square Decimeters Converter — cm2 to dm2
Convert Square Centimeter (cm2) to Square Decimeter (dm2) using the exact conversion factor (1 square centimeter = 0.01 square decimeter). See the formula, worked examples, and conversion table.
Square Centimeters to Square Decimeters 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.
Square metric area unit.
Result = input x 0.0001 / 0.01.
Area uses the square meter as the base unit.
Reserved above the conversion cards and below the converter.
About Converting Square Centimeters to Square Decimeters
Comparing Square Centimeter and Square Decimeter 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. Both are square metric area unit units.
Formula
square decimeters = square centimeters × 0.01
This factor comes from each unit's defined relationship to the category's base unit: 1 square centimeter equals 0.0001 base units, and 1 square decimeter equals 0.01 base units, so dividing one by the other gives the direct square centimeter-to-square decimeter factor of 0.01.
Simple example
1 cm2 × 0.01 = 0.01 dm2
1 square centimeter = 0.01 square decimeters.
Real-world example
10 cm2 × 0.01 = 0.1 dm2
10 square centimeters = 0.1 square decimeters.
Conversion table
| Square Centimeter (cm2) | Square Decimeter (dm2) |
|---|---|
| 1 cm2 | 0.01 dm2 |
| 5 cm2 | 0.05 dm2 |
| 10 cm2 | 0.1 dm2 |
| 25 cm2 | 0.25 dm2 |
| 50 cm2 | 0.5 dm2 |
| 100 cm2 | 1 dm2 |
Reverse conversion: Square Decimeter to Square Centimeter
0.01 dm2 × 100 = 1 cm2
0.01 square decimeters = 1 square centimeters.
square centimeters = square decimeters × 100
For a page dedicated to this direction, see Square Decimeter to Square Centimeter.
Understanding the Square Centimeter (cm2)
Square metric area unit.
Understanding the Square Decimeter (dm2)
Square metric area unit.
Reserved between the cards and the FAQ so the page stays balanced.
Frequently asked questions
How many square decimeters are in 1 square centimeter?
1 square centimeter equals 0.01 square decimeters, using the exact defined conversion factor rather than an estimate.
How do I convert square centimeter to square decimeter?
Multiply the square centimeter value by 0.01. The converter above does this instantly to whatever precision you set.
How do I convert square decimeter back to square centimeter?
Use the reverse factor: 1 square decimeter equals 100 square centimeters. You can also use the swap control in the converter above to flip the direction instantly.
What is a square centimeter?
Square Centimeter (cm2) is a unit of area.
What is a square decimeter?
Square Decimeter (dm2) is a unit of area.
Is the square centimeter to square decimeter conversion exact?
Yes. Both square centimeter and square decimeter are defined by fixed standards rather than physical artifacts, so the factor of 0.01 used above is exact to as many digits as you choose to display.