Convert Square Decimeters to Square Inches
Convert Square Decimeters (dm²) to Square Inches (in²) instantly and accurately.
Conversion Formula
in² = dm² × 15.500031
About Square Decimeters
A square decimeter (dm²) is a metric area unit equal to 100 square centimeters (10 cm × 10 cm) or 0.01 square meters. It represents roughly the footprint of a large paperback book or a standard floor tile. While less common in everyday language than cm² or m², square decimeters appear in cooking (pan sizes), packaging design, and as a useful stepping stone in metric calculations - notably, exactly 1 liter of liquid forms a layer 1 dm² × 1 cm deep.
About Square Inches
A square inch (in²) is an imperial unit of area equal to a square with sides of one inch (25.4 mm × 25.4 mm). It is commonly used in the United States for measuring small areas like fabric swatches, screen sizes, or printed materials. A standard business card is about 6 in², and a typical smartphone screen might be 15-20 in². This unit remains prevalent in American manufacturing, printing, and retail.
Quick Reference Table
| Square Decimeters (dm²) | Square Inches (in²) |
|---|---|
| 1 dm² | 15.5 in² |
| 2 dm² | 31.0001 in² |
| 5 dm² | 77.5002 in² |
| 10 dm² | 155 in² |
| 25 dm² | 387.501 in² |
| 50 dm² | 775.002 in² |
| 100 dm² | 1550 in² |