How many cm exactly is an inch?
2.54 centimeters
1 inch is approximately equal to 2.54 centimeters.
How many centimeters are in millimeters and inches?
25.4 millimeters
Second, to find out how many millimeters are in 2.54 centimeters, you divide 10 millimeters by 1 centimeter, which equals 25.4 millimeters. Multiply 25.4 millimeters by 1 centimeter for the final answer of 25.4 millimeters. One inch is equal to 25.4 millimeters.
What is MM CM inch?

Millimeters to inches conversion table
Millimeters (mm) | Inches (“) (decimal) | Inches (“) (fraction) |
---|---|---|
10 mm | 0.3937 ″ | 25/64 ″ |
20 mm | 0.7874 ″ | 25/32 ″ |
30 mm | 1.1811 ″ | 1 3/16 ″ |
40 mm | 1.5784 ″ | 1 37/64 ″ |
What fraction of an inch is 1 cm?
Centimeters to inches conversion table
Centimeters (cm) | Inches (“) (decimal) | Inches (“) (fraction) |
---|---|---|
1 cm | 0.3937 in | 25/64 in |
2 cm | 0.7874 in | 25/32 in |
3 cm | 1.1811 in | 1 3/16 in |
4 cm | 1.5748 in | 1 37/64 in |
How many fractions are in an inch?

Inch Fraction Conversion Chart – Fraction Decimal and Metric Equivalents
Fraction (inches) | Decimal (inches) | Metric (millimeters) |
---|---|---|
1/8″ | 0.125″ | 3.175 mm |
9/64″ | 0.140625″ | 3.571875 mm |
5/32″ | 0.15625″ | 3.96875 mm |
11/64″ | 0.171875″ | 4.365625 mm |
How many centimeters are in an inch and a half?
Inches to centimeters conversion table
Inches (“) | Centimeters (cm) |
---|---|
1/8 in | 0.3175 cm |
1/4 in | 0.635 cm |
1/2 in | 1.27 cm |
1 in | 2.54 cm |
How many millimeters are in an inch and a half?
Inches to millimeters conversion table
Inches (“) | Millimeters (mm) |
---|---|
1/8 ″ | 3.175 mm |
1/4 ″ | 6.35 mm |
1/2 ″ | 12.7 mm |
1 ″ | 25.4 mm |