Question 1

How many cm is 1 inch?

Accepted Answer

1 inch = 2.54 cm exactly. This is the internationally defined value. So 6 inches = 15.24 cm, 12 inches (1 foot) = 30.48 cm.

Question 2

How many inches is 1 cm?

Accepted Answer

1 cm = 0.3937 inches. So 10 cm = 3.937 inches, 30 cm = 11.81 inches, 100 cm (1 metre) = 39.37 inches.

Question 3

How many cm is a 55 inch TV?

Accepted Answer

A 55 inch TV screen diagonal = 139.7 cm. TV screen sizes are measured diagonally and sold in inches in the UK. Common sizes: 43 inch = 109.2 cm, 50 inch = 127 cm, 65 inch = 165.1 cm, 75 inch = 190.5 cm.

Question 4

How do I convert inches to cm without a calculator?

Accepted Answer

Multiply inches by 2.54. A quick rough estimate: multiply by 2.5. So 10 inches × 2.5 = 25 cm (exact: 25.4 cm). For larger values: 10 inches = 25.4 cm, so multiply by 25.4 and move the decimal.

Question 5

How many cm is 5 feet 10 inches?

Accepted Answer

5 feet 10 inches = 177.8 cm. Calculation: (5 × 12 + 10) = 70 inches. 70 × 2.54 = 177.8 cm. This is a common male height in the UK.

Question 6

How many cm is 6 feet?

Accepted Answer

6 feet = 182.88 cm. Calculation: 72 inches × 2.54 = 182.88 cm, often rounded to 183 cm.

Question 7

How many cm is 5 feet?

Accepted Answer

5 feet = 152.4 cm. Calculation: 60 inches × 2.54 = 152.4 cm.

Inches to Cm Converter — Convert Inches to Centimetres (UK)