Length value page
1 Inches to Millimeters
Convert 1 inches to millimeters with the exact formula, nearby reference values, and quick answers for this specific conversion.
Exact result
1 inches=25.40 millimeters
Formula used: mm = inches × 25.4
Nearby values
Quick comparisons around 1 inches.
Formula
mm = inches × 25.4
To convert 1 inches to millimeters, apply the formula above and you get 25.40 millimeters.
FAQ
What is 1 inches in millimeters?
1 inches equals 25.40 millimeters.
How do you convert 1 inches to millimeters?
Use the formula mm = inches × 25.4. Plug in 1 for inches to get 25.40 millimeters.
Is 1 inches exactly 25.40 millimeters?
Yes. Based on inches to millimeters converter, 1 inches converts to 25.40 millimeters.