Centimeters to Inches Converter

inches = centimeters / 2.54. The 2.54 is exact: since 1959 an inch has been defined as 25.4 millimeters, so nothing here is rounded until you round it. To read a height as feet and inches, divide the inches by 12 and turn the remainder back into inches.

How many inches is 30 cm?

11.811 inches, so a 30 cm ruler is a shade under a foot. That near miss is why a metric ruler and an imperial ruler look the same length and never line up.

What is 180 cm in feet and inches?

70.87 inches, which is 5 feet 10.9 inches - call it 5 foot 11. The common heights: 160 cm is 5 foot 3, 170 cm is 5 foot 7, 175 cm is 5 foot 9, and 185 cm is 6 foot 1.

How do I estimate centimeters to inches in my head?

Divide by 2.5 and take off a little, or halve it twice and add back a tenth. For 100 cm: half is 50, half again is 25, plus a tenth of 25 is about 39.4 inches, which is the exact answer.

Is a centimeter bigger or smaller than an inch?

Smaller, by a lot. It takes about two and a half centimeters to make an inch, which is why a measurement in centimeters is always the bigger-looking number for the same object.