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Inches to cm Converter

Convert inches to centimeters: 1 inch = 2.54 cm. Instant conversion for screen sizes, photos and clothing, with a reference table.

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1 m = 3.281 ft = 39.37 in = 100 cm · 1 km = 0.621 mi · 1 li = 500 m · 1 zhang = 10/3 m

Value

From

2.540000Centimeter (cm)

1 Inch (in) = 2.540000 Centimeter (cm) · 1 Centimeter (cm) = 0.393701 Inch (in)

All conversions

Common scenarios

Conversion steps

1Unit relation: 1 英寸 (in) = 2.540000 厘米 (cm)
2Substitute: 1.000000 × 2.540000
3Result: 1.000000 英寸 (in) = 2.540000 厘米 (cm)

Order-of-magnitude scale

Fingernail

One step

One floor

Football field

Mt. Everest

Beijing–Shanghai HSR

For scale: Fingernail ≈ 0.39 × current

Quick reference

1 km	1000 m
1 m	100 cm
1 ft	0.3048 m
1 in	2.54 cm
1 mi	1.609 km
1 nmi	1.852 km
1 ly	9.461×10¹⁵ m

Home renovation, overseas clothing sizes and running distances are the top three use cases. When mixing imperial and metric, convert everything to meters first to avoid errors.

Frequently Asked Questions

What is 1 inch in cm?▼

1 inch = exactly 2.54 cm. A 55-inch TV (diagonal) measures 139.7 cm.

How do I use the Length Converter?▼

Open the page and fill in the input fields — results update automatically. Meter, cm, km, inch, foot, nautical mile.

Are the results accurate?▼

Yes. Standard formulas and conversion factors are used and verified.

Is it free? Do I need to sign up?▼

Completely free. No registration, login or download required.

Does it work on mobile?▼

Yes. The responsive design works on phones, tablets and desktops.

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This is a dedicated variant of the Length Converter, pre-configured for this scenario with tailored FAQs.