Inch (CSS) to Millimeter (CSS) Converter

1 in = 25.4000 mm

01

FORMULA

1 in = 25.4000 mm
02

CONVERSION TABLE

Inch (CSS) (in) Millimeter (CSS) (mm)
1 in 25.4 mm
5 in 127 mm
10 in 254 mm
25 in 635 mm
50 in 1,270 mm
100 in 2,540 mm
250 in 6,350 mm
500 in 12,700 mm
1,000 in 25,400 mm
Millimeter (CSS) to Inch (CSS)
03

COMMON VALUES

1 in
= 25.4 mm
2 in
= 50.8 mm
3 in
= 76.2 mm
5 in
= 127 mm
10 in
= 254 mm
15 in
= 381 mm
20 in
= 508 mm
25 in
= 635 mm
30 in
= 762 mm
50 in
= 1,270 mm
75 in
= 1,905 mm
100 in
= 2,540 mm
04

RELATED CONVERSIONS

Pixel → Point Point → Pixel Pixel → Em Em → Pixel Pixel → Rem Rem → Pixel Point → Pica Pica → Point

About Inch (CSS) (in)

The inch in typography equals 72 points or 6 picas and serves as the bridge between digital and physical measurements when designing for print. Page margins, bleed areas, and trim sizes in US print production are specified in inches, and printers calibrate output quality in dots per inch (DPI).

About Millimeter (CSS) (mm)

The millimeter in typography provides precision for print production specifications like paper thickness (80 g/m2 copy paper is about 0.1 mm thick), spine width calculations for book covers, and die-cut packaging templates. ISO paper sizes are defined in millimeters, and commercial printers work to sub-millimeter tolerances.

How to Convert Inch (CSS) to Millimeter (CSS)

The conversion formula is: 1 in = 25.4000 mm. To convert from Inch (CSS) (in) to Millimeter (CSS) (mm), use the formula above or the interactive converter at the top of this page.

05

FAQ

How many Millimeter (CSS) in 1 Inch (CSS)?

1 Inch (CSS) (in) equals 25.4000 Millimeter (CSS) (mm).

How to convert Inch (CSS) to Millimeter (CSS)?

Multiply the Inch (CSS) value by 25.4000 to get the equivalent in Millimeter (CSS). Formula: 1 in = 25.4000 mm

What is the formula for Inch (CSS) to Millimeter (CSS) conversion?

1 in = 25.4000 mm

Glossary

Learn More