Square Inches to Square Centimeters Converter

in²
cm²

How to use:

  1. Enter a value in either the Square Inches or Square Centimeters field
  2. Click "Convert" to see the result
  3. Use "Swap" to switch between Square Inches and Square Centimeters

Quick Facts:

  • Formula: 1 square inch = 6.4516 square centimeters
  • Common area references:
    • 1 in² = 6.4516 cm²
    • 10 in² = 64.516 cm²
    • 100 in² = 645.16 cm²
    • 1000 in² = 6451.6 cm²
  • Practical applications:
    • Smartphone screen = 15 in² ≈ 96.77 cm²
    • Standard paper (8.5" × 11") = 93.5 in² ≈ 603.22 cm²
    • Tablet screen = 45 in² ≈ 290.32 cm²
    • Small tile = 36 in² ≈ 232.26 cm²
  • Used in:
    • Electronics (screen sizes)
    • Paper dimensions
    • Small-scale construction
    • Product packaging
  • Additional conversions:
    • 1 cm² = 0.155 square inches
    • Common in technical drawings
    • Used in product specifications
    • Important for international trade

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