Inches to Centimetres Calculator: convert inches to centimetres instantly. Full formula, unit table, and worked example.
1 inch = 2.54 cm (exact, by definition since 1959)
1 foot = 12 inches = 30.48 cm | 1 yard = 3 feet = 0.9144 m
1 mile = 1,760 yards = 1,609.344 m = 5,280 feet
1 nautical mile = 1,852 m (used in aviation and maritime navigation)
1 kilometre = 1,000 m ≈ 0.6214 miles | 1 metre = 3.2808 feet