Inches to Square Feet Calculator
Inch-based surface area: convert square inches to square feet, work from length × width, combine multiple rooms, and plan materials with waste, tiles, paint, and cost — with a grid-style preview.
Input mode
Use case preset
Material planning
Tile size (inches)
×
Paint (ft² per gallon, coats)
Compare areas (ft²)
Ratio: 2.5× · Difference: 30 ft²
Primary result
2,880 in²
→ 20 ft²
≈ 1.8581 m²
Material estimate
With ~5% waste allowance: order plan around 21 ft².
Estimated material cost: $0 at $0/ft² (with waste).
Insights
- Suitable for small room flooring or a single accent wall.