17 Inches to Centimetres

17 inches is exactly 43.18 cm.

17 inches = 43.18 cm

Type in either box. Inches also take fractions and feet: 1 1/2, 3/4, 5'7", 5 ft 7 in.

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Inches, as a fraction
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Feet and inches
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Millimetres
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Metres
Fraction precision
Centimetres on top, inches below, drawn to the same scale — not life size, since a web page cannot know your screen's pixel density.

How to convert 17 inches to cm

Multiply by 2.54, the exact number of centimetres in an inch:

17 in × 2.54 = 43.18 cm

No rounding is involved — the inch is defined as 2.54 cm, so 43.18 cm is the exact answer, not an approximation. In millimetres that is 431.8 mm, and in metres 0.4318 m.

17-inch laptop screen size in cm

Screens are measured across the diagonal, so a 17-inch laptop has a 43.18 cm diagonal — the width and height depend on the aspect ratio. Laptops ship in both 16:9 and the taller 16:10, so both are shown. These are the visible panel; the bezel and stand add to the overall size.

Aspect ratioWidth × height (in)Width × height (cm)
16:914.8 × 8.3 in37.6 × 21.2 cm
16:1014.4 × 9 in36.6 × 22.9 cm

17 inches in other units

Centimetres43.18 cm
Millimetres431.8 mm
Metres0.4318 m
Feet and inches1 ft 5 in
Feet1.4167 ft

Inches to cm near 17

InchesCentimetres
12 in30.48 cm
14 in35.56 cm
15 in38.1 cm
16 in40.64 cm
17 in43.18 cm
18 in45.72 cm
20 in50.8 cm
24 in60.96 cm
27 in68.58 cm

Need a different value? Type it into the converter above, or go back to the full cm to inches converter.

Frequently asked questions

How many centimetres is 17 inches?

17 inches is exactly 43.18 centimetres. One inch is defined as 2.54 cm, so multiply 17 by 2.54.

How do I estimate 17 inches in cm without a calculator?

Multiply by 2.5, then add a little: 17 × 2.5 = 42.5, and the exact answer of 43.18 cm is 1.6% higher. For most everyday purposes, 2.5 is close enough.