20 cm to Inches
20 cm ≈ 7.87 in
20 centimeters is approximately 7.87 inches.
How to convert 20 cm to in
Use the formula in = cm ÷ 2.54:
in = 20 ÷ 2.54in = 7.874016
So 20 cm = 7.874016 in, or about 7.87 in rounded.
Rounded values and quick estimate
- Rounded to a whole number: 8 in
- Rounded to one decimal place: 7.9 in
- Conversion factor: 1 centimeter = 0.3937 inches
Quick mental estimate: multiply by 0.4. For 20 cm that gives about 8 in — off by 0.126 in (1.6%). Use the exact formula when precision matters.
20 cm in other units
20 cm is 7.87 inches, about 7 7/8″ — a little under 8″ (20.32 cm). A 20 cm round cake tin is the usual metric stand-in for an American 8-inch pan, and 20 cm is a common pizza and plate size.
- Inches
- 7.87 in
- Millimeters
- 200 mm
- Meters
- 0.2 m
- Kilometers
- 0.0002 km
- Feet
- 0.6562 ft
- Yards
- 0.2187 yd
- Miles
- 0.000124 mi
- Micrometers
- 200000 µm
- Hands
- 1.97 hh
- Nautical miles
- 0.000108 nmi
- Mils (thou)
- 7874.02 mil
20 cm and nearby values
About centimeters and inches
A centimeter is one hundredth of a meter. It is the everyday metric unit for body height, clothing and short lengths.
An inch is defined as exactly 2.54 centimeters. There are 12 inches in a foot; inches are used in the US for screens, heights and small lengths.
Related conversions
Frequently asked questions
What is 20 cm in Inches?
20 centimeters is about 7.87 inches (20 cm ≈ 7.87 in).
How do you convert 20 cm to in?
Apply in = cm ÷ 2.54: in = 20 ÷ 2.54, in = 7.874016.
How many centimeters is 7.87 in?
7.87 in is about 19.99 centimeters.
Can I use a 20 cm cake tin for an 8-inch recipe?
Yes. The 3 mm difference in diameter makes almost no difference to baking time or depth.