Length
Inches to Millimeter
Convert inches to millimeter instantly.
About this conversion
Inches (") are used in the US and UK, and globally for screen sizes on TVs, monitors, and tablets. Millimeter (mm) bruges til præcise målinger inden for håndværk, teknik og videnskab. En typisk negl er ca. 1 mm tyk, og en A4-sides bredde er 210 mm. Én millimeter er en tusindedel af en meter. 1 Inches equals 25.4 millimeter. The converter above calculates the result instantly — you can also swap the units to convert in the other direction.
How to use
Enter a value in the inches field and instantly see the result in millimeter. Click the swap button to reverse the conversion.
Manual calculation
1 inches = 25.4 millimeter. Example: 10 " = 254 mm.
Frequently asked questions
How do you convert inches to millimeter?
Multiply the number of inches by 25.4 to get millimeter. Example: 10 " × 25.4 = 254 mm.
Are inches bigger or smaller than millimeter?
Inches is larger than Millimeter. One inche equals 25.4 millimeter, so the result is a larger number when converting from inches to millimeter.
What is 5 inches in millimeter?
5 " equals 127 mm.
How many inches are in 1 millimeter?
1 mm equals 0.03937 ". This is the reverse conversion — useful if you have a value in millimeter and want it in inches.
What is inche?
Inches (") are used in the US and UK, and globally for screen sizes on TVs, monitors, and tablets.
What is millimeter used for?
Millimeter (mm) bruges til præcise målinger inden for håndværk, teknik og videnskab. En typisk negl er ca. 1 mm tyk, og en A4-sides bredde er 210 mm. Én millimeter er en tusindedel af en meter.