Square metric area unit.
Square Decimeters to Square inches Converter — dm2 to in2
Convert Square Decimeter (dm2) to Square inch (in2) using the exact conversion factor (1 square decimeter = 15.500031 square inch). See the formula, worked examples, and conversion table.
Square Decimeters to Square inches 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 square inch is the area of a one-inch square.
Result = input x 0.01 / 0.00064516.
Area uses the square meter as the base unit.
Reserved above the conversion cards and below the converter.
About Converting Square Decimeters to Square inches
Comparing Square Decimeter and Square inch 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 square inch is the area of a one-inch square.
Formula
square inches = square decimeters × 15.5000310001
This factor comes from each unit's defined relationship to the category's base unit: 1 square decimeter equals 0.01 base units, and 1 square inch equals 0.00064516 base units, so dividing one by the other gives the direct square decimeter-to-square inch factor of 15.5000310001.
Simple example
1 dm2 × 15.500031 = 15.500031 in2
1 square decimeter = 15.500031 square inches.
Real-world example
10 dm2 × 15.500031 = 155.00031 in2
10 square decimeters = 155.00031 square inches.
Conversion table
| Square Decimeter (dm2) | Square inch (in2) |
|---|---|
| 1 dm2 | 15.500031 in2 |
| 5 dm2 | 77.500155 in2 |
| 10 dm2 | 155.00031 in2 |
| 25 dm2 | 387.500775 in2 |
| 50 dm2 | 775.00155 in2 |
| 100 dm2 | 1,550.0031 in2 |
Reverse conversion: Square inch to Square Decimeter
15.500031 in2 × 0.064516 = 1 dm2
15.500031 square inches = 1 square decimeters.
square decimeters = square inches × 0.064516
For a page dedicated to this direction, see Square inch to Square Decimeter.
Understanding the Square Decimeter (dm2)
Square metric area unit.
Understanding the Square inch (in2)
A square inch is the area of a one-inch square.
Reserved between the cards and the FAQ so the page stays balanced.
Frequently asked questions
How many square inches are in 1 square decimeter?
1 square decimeter equals 15.500031 square inches, using the exact defined conversion factor rather than an estimate.
How do I convert square decimeter to square inch?
Multiply the square decimeter value by 15.500031. The converter above does this instantly to whatever precision you set.
How do I convert square inch back to square decimeter?
Use the reverse factor: 1 square inch equals 0.064516 square decimeters. You can also use the swap control in the converter above to flip the direction instantly.
What is a square decimeter?
Square Decimeter (dm2) is a unit of area.
What is a square inch?
Square inch (in2) is a unit of area.
Is the square decimeter to square inch conversion exact?
Yes. Both square decimeter and square inch are defined by fixed standards rather than physical artifacts, so the factor of 15.500031 used above is exact to as many digits as you choose to display.