20 centimeters in inches

Result

The conversion result is: 20 centimeters is equivalent to 7.8740157480315 inches.[1]

Conversion formula
How to convert 20 centimeters to inches?

We know (by definition) that: 1 cm ≈ 0.39370079 in.

We can set up a proportion to solve for the number of inches.

1 cm / 20 cm ≈ 0.39370079 in / x in

Now, we cross multiply to solve for our unknown x:

x in ≈ (20 cm / 1 cm) * 0.39370079 in → x in ≈ 7.8740158000000005 in

Conclusion:

20 cm ≈ 7.8740158000000005 in

Conversion in the opposite direction

The inverse of the conversion factor is that 1 inch is equal to 0.127 times 20 centimeters.

It can also be expressed as: 20 centimeters is equal to 1 / 0.127 inches.

Approximation

An approximate numerical result would be: twenty centimeters is about seven point eight seven inches, or alternatively, a inch is about zero point one three times twenty centimeters.

Footnotes

[1] The precision is 15 significant digits (fourteen digits to the right of the decimal point).

Results may contain small errors due to the use of floating point arithmetic.