Converter
Inches to Centimeters Converter
Type a value in inches and get the centimeters answer instantly — with the formula and a reference table right below.
Centimeters = Inches × 2.54
Inches to Centimeters Converter guide
What does this converter do?
This page converts inches (in) to centimeters (cm) instantly as you type. It is one focused pair from the full Length converter, which handles every supported length unit in both directions.
How is the conversion calculated?
Centimeters = Inches × 2.54. Multiply the inches value by 2.54. The factor is fixed, so the math is deterministic and repeatable.
When in to cm comes up
You are filling in a form or online profile that wants your height in centimeters, buying clothes or shoes from a European site that lists measurements in cm, ordering a picture frame, curtain, or blind in metric from imperial measurements, or comparing a 27-inch monitor or 55-inch TV against the width of a shelf you measured in centimeters. Woodworkers converting plans between US and metric drawings hit this constantly.
Quick mental rule
Multiply inches by 2.5 and add a touch: 70 inches × 2.5 = 175, while the exact answer is 177.8 cm. Multiplying by 2.5 instead of 2.54 underestimates by about 1.6%, so add roughly 1 cm for every 60 cm of the rough answer. Multiplying by 5 and halving is the same shortcut.
Worked example
Worked example: 10 in converts to 25.4 cm. Change the input above to convert your own value.
Common values
The reference table lists frequently searched amounts such as 1, 10, and 100 in. Amounts are shown rounded for readability; the live result keeps full precision.
Common questions
Frequently asked questions
What is 5 feet 10 inches in cm?
5 ft 10 in is 70 inches. 70 × 2.54 = 177.8 cm — the height usually rounded to 178 cm on European forms.
How many cm is 12 inches?
One foot is 12 inches × 2.54 = 30.48 cm, which is why a foot-long ruler is a little longer than a 30 cm one.
What is 6 feet in centimeters?
6 ft is 72 inches, and 72 × 2.54 = 182.88 cm — normally quoted as 183 cm.
How many cm is 65 inches?
65 × 2.54 = 165.1 cm, which corresponds to 5 feet 5 inches.