Square Inches ↔ Square Centimeters Converter
Convert between square inches and square centimeters instantly
📚 Square Inches ↔ Square Centimeters Conversion Details
Square Inches to Square CM Formula
To convert square inches to square centimeters, multiply by 6.4516.
Square CM to Square Inches Formula
To convert square centimeters to square inches, divide by 6.4516.
Conversion Factor
The exact conversion factor is:
This comes from: 1 inch = 2.54 cm, so 1 in² = (2.54 cm)² = 6.4516 cm²
Common Uses
- Screen sizes (TVs, monitors)
- Paper sizes
- Surface area calculations
- Real estate measurements
đź“Ź How This Area Converter Works
This is a bidirectional converter for area measurements:
- Square Inches → Square CM: When you type in the square inches field, the square cm field automatically updates
- Square CM → Square Inches: When you type in the square cm field, the square inches field automatically updates
- No swapping needed: Both conversions happen simultaneously
- Real-time: Updates happen as you type, no button clicks required
cm² = in² × 6.4516
in² = cm² ÷ 6.4516
// Example 1: Type "10" in square inches
cm² = 10 × 6.4516 = 64.516 cm²
// Example 2: Type "100" in square cm
in² = 100 ÷ 6.4516 = 15.5 in² (approximately)
đź“Š Conversion Table
| Square Inches | Square Centimeters | Common Reference |
|---|---|---|
| 1 in² | 6.4516 cm² | Small button |
| 10 in² | 64.516 cm² | Credit card |
| 25 in² | 161.29 cm² | Smartphone screen |
| 144 in² | 929.03 cm² | 1 square foot |
| 500 in² | 3225.8 cm² | Large tablet |
| 1000 in² | 6451.6 cm² | Small poster |
âť“ Frequently Asked Questions
A: There are exactly 6.4516 square centimeters in one square inch.
A: Because 1 inch = 2.54 cm, so 1 in² = (2.54 cm) × (2.54 cm) = 6.4516 cm²
A: Inches measure length (1D), square inches measure area (2D). 1 square inch is the area of a square with 1-inch sides.
A: This converter uses the exact conversion factor (6.4516) and provides results up to 4 decimal places.