📐 Square Footage Calculator Live
Real-time area, conversions, and pricing.
Measurements
Cost of materials
Step-by-step derivation
Start entering values to see the algebra here…
References & quick conversions
| Unit | Relation to 1 sq ft |
|---|---|
| square meter (m²) | 1 sq ft = 0.09290304 m² |
| square yard (yd²) | 1 sq ft = 1/9 yd² |
| square inch (in²) | 1 sq ft = 144 in² |
| acre | 1 acre = 43,560 sq ft |
| hectare | 1 ha = 107,639.1041671 sq ft |