Las entradas usan unidades estadounidenses (ft/in/lb y USD); se muestran equivalentes métricos cuando están disponibles.
Calcule pies cuadrados, yardas y metros.
| Shape | Formula | Example |
|---|---|---|
| Rectangle | length × width | 12×12 = 144 sq ft |
| Square | side² | 10² = 100 sq ft |
| Circle | π × radius² | r=5 → 78.5 sq ft |
| Triangle | 0.5 × base × height | 10×8 → 40 sq ft |
| Trapezoid | (top+bottom)/2 × height | (6+10)/2×8 = 64 sq ft |
Consejo: For irregular rooms, divide into rectangles and calculate each separately. Measure wall-to-wall, not baseboard-to-baseboard.