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Convert decimeter to cm

Convert decimeter to cm instantly. 1 dm = 10 cm. Formula, worked examples and a quick reference table.

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dm
cm

One decimeter equals 10 centimeters. To convert any number of decimeters to centimeters, multiply by 10.

The converter above works in both directions and updates as you type. Below you will find the formula, a worked example and a reference table of common values.

Length conversions come up wherever a measurement crosses a border: a height given in feet and inches on a form that wants centimetres, a running distance recorded in kilometres and compared against miles, a component specified in millimetres and ordered from a supplier working in inches. The conversions themselves are exact — the inch, foot, yard and mile have all been defined in metric terms since 1959 — so any discrepancy comes from rounding, not from the units disagreeing.

decimeter to cm formula

centimeter = decimeter × 10

To go the other way, use decimeter = centimeter ÷ 10.

About these units

The decimetre — a tenth of a metre — is rarely used on its own, but it defines the litre: one litre is exactly one cubic decimetre.

The centimetre is a hundredth of a metre. It is the everyday unit for body height and clothing sizes almost everywhere outside the United States, where feet and inches persist.

Decimeter is also written decimetre, decimetres and decimeters. Centimeter is also written centimetre, centimetres and centimeters.

Sources

  1. Bureau International des Poids et Mesures, The International System of Units (SI), 9th edition, 2019.

decimeter to cm conversion table

Decimeter Centimeter
1 dm 10 cm
2 dm 20 cm
3 dm 30 cm
5 dm 50 cm
10 dm 100 cm
20 dm 200 cm
25 dm 250 cm
50 dm 500 cm
100 dm 1,000 cm
250 dm 2,500 cm
500 dm 5,000 cm
1,000 dm 10,000 cm

Frequently asked questions

How many centimeters are in a decimeter? +

There are 10 centimeters in one decimeter.

What is 10 dm in cm? +

10 dm equals 100 cm. Multiply 10 by 10.

How do I convert centimeter back to decimeter? +

Use decimeter = centimeter ÷ 10. The converter above handles both directions, or see our dedicated cm to decimeter page.

How accurate is this decimeter to centimeter conversion? +

The factor used is 10, carried at full double precision. Where a unit has an exact legal definition the factor is exact rather than approximate. Rounding is applied only to the displayed result, so the answer is never a calculation done on an already-rounded number.

Is there a quick way to estimate dm to cm in my head? +

Multiply by 10. That matches the true factor of 10 exactly, so no adjustment is needed for a mental estimate.