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Square Centimeter Converters

Convert cm² to and from square meters, square inches, square feet, square millimeters, and other area units.

What this tool does

Convert cm² to and from square meters, square inches, square feet, square millimeters, and other area units. Type an amount in square centimeters, choose the units, and the tool converts it to square inches. It offers 8 area units and also shows the same amount in the others.

Inputs

  • Value: A number.
  • From: Choose one: Square centimeter, Square millimeter, Square meter, Square inch, Square foot, Square yard, Hectare, Acre (international). Starts as Square centimeter.
  • To: Choose one of the same 8 units as "From". Starts as Square inch.

How to use

  1. Enter the amount you want to convert.
  2. Choose the unit to convert from and the unit to convert to.
  3. Read the result: the converted amount and the same amount in the other units. It appears once every required field has a valid value.

Worked examples

Conversions from square centimeters to square inches:

  • 1 cm² ≈ 0.155 in²
  • 5 cm² ≈ 0.775002 in²
  • 10 cm² ≈ 1.550003 in²
  • 50 cm² ≈ 7.750016 in²
  • 100 cm² ≈ 15.500031 in²

Multiply the number of square centimeters by about 0.155 to get square inches. The factor follows from exact definitions. It has more digits than fit here, so it is shown rounded.

Sources: Square centimeter: exact by definition. Square inch: exact by definition.

Limitations

  • Converts units of area only. It does not work out an area from lengths or measure a plot.
  • Square-unit conversions treat the area as a number: nothing about shape or location is considered.

FAQs

Q: How many square inches are in one square centimeter?
A: One square centimeter is about 0.155 square inches. Choose square centimeters as From and square inches as To to convert any value.
Q: How many square centimeters are in one square inch?
A: One square inch is 6.4516 square centimeters. Choose square inches as From and square centimeters as To to convert any value.
Q: How many square centimeters are in one square meter?
A: One square meter is 10,000 square centimeters. Choose square meters as From and square centimeters as To to convert any value.
Q: Which acre does this use?
A: The international acre, defined as 43,560 square international feet (4046.8564224 square meters). The US survey acre is larger by about four parts per million and is not offered here.

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