Inches to Centimeters
Convert inches to centimeters instantly. 1 inch = 2.54 cm.
About This Calculator
Convert inches to centimeters instantly. 1 inch = 2.54 cm. Use the calculator above for instant results.
Worked Examples
Example 1: 12 inches
- 12 × 2.54 = 30.48 cm
Answer: 30.48 cm
Example 2: 1 inch
- 1 inch = 2.54 cm exactly
Answer: 2.54 cm
Example 3: 6 feet = 72 inches
- 72 × 2.54 = 182.88 cm
Answer: 182.88 cm
Who Uses This Calculator?
DIYers
Convert measurements for projects.
Travelers
Convert US sizes to metric.
Students
Unit conversion for math class.
International Business
US to metric conversion.
Common Mistakes to Avoid
❌ Using 2.5 instead of 2.54
1 inch = exactly 2.54 cm. Using 2.5 introduces 1.6% error.
❌ Confusing cm and mm
10 mm = 1 cm. 100 cm = 1 m.
Frequently Asked Questions
Inches to cm?
Multiply by 2.54. 6 inches = 15.24 cm.
Cm to inches?
Divide by 2.54. 30 cm = 11.81 inches.
Feet and inches to cm?
Convert feet to inches first (x12), then x2.54. 5ft 6in = 66in = 167.64 cm.