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Unit Converter

Conversion formula

The conversion factor from inches to centimeters is 2.54, which means that 1 inch is equal to 2.54 centimeters:

1 in = 2.54 cm

To convert 1.8 inches into centimeters we have to multiply 1.8 by the conversion factor in order to get the length amount from inches to centimeters. We can also form a simple proportion to calculate the result:

1 in → 2.54 cm

1.8 in → L(cm)

Solve the above proportion to obtain the length L in centimeters:

L(cm) = 1.8 in × 2.54 cm

L(cm) = 4.572 cm

The final result is:

1.8 in → 4.572 cm

We conclude that 1.8 inches is equivalent to 4.572 centimeters:

1.8 inches = 4.572 centimeters

Alternative conversion

We can also convert by utilizing the inverse value of the conversion factor. In this case 1 centimeter is equal to 0.21872265966754 × 1.8 inches.

Another way is saying that 1.8 inches is equal to 1 ÷ 0.21872265966754 centimeters.

Approximate result

For practical purposes we can round our final result to an approximate numerical value. We can say that one point eight inches is approximately four point five seven two centimeters:

1.8 in ≅ 4.572 cm

An alternative is also that one centimeter is approximately zero point two one nine times one point eight inches.

Conversion table

inches to centimeters chart

For quick reference purposes, below is the conversion table you can use to convert from inches to centimeters

inches (in) centimeters (cm)
2.8 inches 7.112 centimeters
3.8 inches 9.652 centimeters
4.8 inches 12.192 centimeters
5.8 inches 14.732 centimeters
6.8 inches 17.272 centimeters
7.8 inches 19.812 centimeters
8.8 inches 22.352 centimeters
9.8 inches 24.892 centimeters
10.8 inches 27.432 centimeters
11.8 inches 29.972 centimeters