MM to Inches Converter
Free millimeters to inches converter. Convert mm to inches and inches to mm.
Quick Reference
1 mm0.0394 in
5 mm0.1969 in
10 mm0.3937 in
25.4 mm1 in
50 mm1.9685 in
100 mm3.937 in
Precise
1 inch = 25.4 mm exactly.
Fractions
Results shown in decimal and fractional inches.
Engineering
Common sizes for bolts, screws, and machining.
FAQ
How many mm in an inch?
1 inch = 25.4 millimeters exactly.
How to convert mm to inches?
Divide mm by 25.4. Example: 50mm = 50/25.4 = 1.9685 inches.