Convert Square Inches to Square Meters
One square inch equals 0.00064516 square meters. Type any value to convert square inches to square meters instantly — with a full reference table below.
Convert Square Inches to Square Meters
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How to convert Square Inches to Square Meters
To convert square inches to square meters, multiply by 0.00064516. One square inch equals 0.00064516 m², and one square meter equals 1,550.003 in².
- Take the value in square inches — for example 7.5 in².
- Multiply by 0.00064516 (the number of square meters in one square inch).
- 7.5 × 0.00064516 = 0.0048387 m².
Quick mental estimate: Divide the number of square inches by 1,550 (accurate to better than 0.05%).
Square Inches to Square Meters conversion table
| Square Inches | Square Meters |
|---|---|
| 1 in² | 0.00064516 m² |
| 2 in² | 0.00129032 m² |
| 3 in² | 0.00193548 m² |
| 5 in² | 0.0032258 m² |
| 10 in² | 0.0064516 m² |
| 20 in² | 0.0129032 m² |
| 50 in² | 0.032258 m² |
| 100 in² | 0.064516 m² |
| 200 in² | 0.129032 m² |
| 500 in² | 0.32258 m² |
| 1,000 in² | 0.64516 m² |
| 5,000 in² | 3.2258 m² |
| Square Meters | Square Inches |
|---|---|
| 1 m² | 1,550.003 in² |
| 2 m² | 3,100.006 in² |
| 3 m² | 4,650.009 in² |
| 5 m² | 7,750.016 in² |
| 10 m² | 15,500.03 in² |
| 20 m² | 31,000.06 in² |
| 50 m² | 77,500.16 in² |
| 100 m² | 155,000.3 in² |
| 200 m² | 310,000.6 in² |
| 500 m² | 775,001.6 in² |
| 1,000 m² | 1,550,003 in² |
| 5,000 m² | 7,750,016 in² |
About converting Square Inches to Square Meters
Square Inches (in²) and Square Meters (m²) are both units of area. The exact factor is 1 in² = 0.00064516 m², so multiply by 0.00064516 to go from square inches to square meters (or divide to go back).
The conversion runs entirely in your browser. Need the reverse? Use the Square Meters to Square Inches converter, or the full unit converter for every unit at once.
Real-world area in square inches and square meters
| Example | Square Inches | Square Meters |
|---|---|---|
| A4 sheet of paper | 96.67369 in² | 0.06237 m² |
| A car parking space (2.5 × 5 m) | ≈ 19,375.04 in² | ≈ 12.5 m² |
| A doubles tennis court (23.77 × 10.97 m) | 404,174 in² | 260.7569 m² |
| An NBA basketball court (94 × 50 ft) | 676,800 in² | 436.6443 m² |
“≈” marks typical values; the rest are defined or measured figures.
The units
A square 1 inch on each side, exactly 6.4516 cm².
Used for: Small parts, screens and pressure (psi = pounds per square inch).
The SI unit of area: a square 1 m on each side.
Used for: Floor area and property listings in most countries.
Area factors are the squares of exact length factors, so they are exact too (an international acre is exactly 4,046.8564224 m²).