Convert Square Inches to Square Centimeters

Enter your square inch value in the form below to get the value calculated in square centimeters.

SWAP UNITS
Results in Square Centimeters:
Loading content.
1 sq in = 6.4516 sq cm

How to Convert Square Inches to Square Centimeters Using an Easy Conversion Formula

Calculators can be used to convert measurements from one unit to another
Convert square inches to square centimeters with this simple formula:
square centimeters = square inches × 6.4516

Converting a square inch area measurement to a square centimeter measurement involves multiplying your area by the conversion ratio to find the result. A square inch is equal to 6.4516 square centimeters, so to convert simply multiply by 6.4516.

For example:
5sq in = (5 × 6.4516) = 32.258sq cm

Learn more about finding the area of your space using our area calculator.

Square inches and square centimeters are both units used to measure area. Learn more about area and find more area measurement conversion calculators. A square inch is an imperial measurement and can be abbreviated as sq in, for example 1sq in. A square centimeter is a metric measurement and can be abbreviated as sq cm, for example 1sq cm. Learn more about the metric system, including the common unit prefixes and how to convert between metric units.

square inches and square centimeters are units used to measure area
Convert Square Centimeters to Square Inches

Square Inch Measurements and Equivalent Square Centimeter Conversions

Common square inch values converted to the equivalent square centimeter value
Square Inches Square Centimeters Square Inches Square Centimeters Square Inches Square Centimeters
1 6.4516 21 135.48 41 264.52
2 12.9 22 141.94 42 270.97
3 19.35 23 148.39 43 277.42
4 25.81 24 154.84 44 283.87
5 32.26 25 161.29 45 290.32
6 38.71 26 167.74 46 296.77
7 45.16 27 174.19 47 303.23
8 51.61 28 180.64 48 309.68
9 58.06 29 187.1 49 316.13
10 64.52 30 193.55 50 322.58
11 70.97 31 200 51 329.03
12 77.42 32 206.45 52 335.48
13 83.87 33 212.9 53 341.93
14 90.32 34 219.35 54 348.39
15 96.77 35 225.81 55 354.84
16 103.23 36 232.26 56 361.29
17 109.68 37 238.71 57 367.74
18 116.13 38 245.16 58 374.19
19 122.58 39 251.61 59 380.64
20 129.03 40 258.06 60 387.1

More Area Conversions

Convert to Square Miles Area
1sq in is equal to 2.491E-10 square miles
Convert to Acres Area
1sq in is equal to 1.5942E-7 acres
Convert to Square Yards Area
1sq in is equal to 0.000772 square yards
Convert to Square Feet Area
1sq in is equal to 0.006944 square feet
Convert to Square Kilometers Area
1sq in is equal to 6.4516E-10 square kilometers
Convert to Hectares Area
1sq in is equal to 6.4516E-8 hectares
Convert to Ares Area
1sq in is equal to 6.4516E-6 ares
Convert to Square Meters Area
1sq in is equal to 0.000645 square meters
Convert to Square Millimeters Area
1sq in is equal to 645.16 square millimeters