Unit Converter

42 Centimeters to Millimeters

=
42 Centimeters =
420
(decimal)
4.2 x 102
(scientific notation)
420
1
(fraction)
Millimeters

Centimeters to Millimeters Conversion Formula

[X] mm = 10 × [Y] cm
where [X] is the result in mm and [Y] is the amount of cm we want to convert

42 Centimeters to Millimeters Conversion breakdown and explanation

42 cm to mm conversion result above is displayed in three different forms: as a decimal (which could be rounded), in scientific notation (scientific form, standard index form or standard form in the United Kingdom) and as a fraction (exact result). Every display form has its own advantages and in different situations particular form is more convenient than another. For example usage of scientific notation when working with big numbers is recommended due to easier reading and comprehension. Usage of fractions is recommended when more precision is needed.

If we want to calculate how many Millimeters are 42 Centimeters we have to multiply 42 by 10 and divide the product by 1. So for 42 we have: (42 × 10) ÷ 1 = 420 ÷ 1 = 420 Millimeters

So finally 42 cm = 420 mm

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