Length Converter
Convert meters, centimeters, feet, inches, kilometers, miles and more in one view.
Length
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Common Benchmarks
Standard door height
80 in
King-size bed
76 in
School bus
35 ft
City block
100 m
Tennis court
78 ft
Soccer goal width
24 ft
Formula
in = mm × 0.0393700787
Example
Example: convert 18 millimeters to inches.
18 mm = 0.70866142 in
Conversion table
| millimeters (mm) | inches (in) |
|---|---|
| 1 mm | 0.03937008 in |
| 2 mm | 0.07874016 in |
| 5 mm | 0.19685039 in |
| 10 mm | 0.39370079 in |
| 20 mm | 0.78740157 in |
| 50 mm | 1.96850394 in |
| 100 mm | 3.93700787 in |
Explanation
Millimeters are used for very small lengths and engineering tolerances, while Inches are commonly used in the United States for screens and small lengths.
How to convert millimeters to inches
- Start with the value in millimeters (mm).
- Multiply it by 0.0393700787.
- The result is the measurement in inches (in).
Example: 18 mm → 0.70866142 in
Frequently Asked Questions
How much is 18 millimeters in inches?
18 millimeters is about 0.7087 inches.
How to convert millimeters to inches?
To convert millimeters to inches, multiply by 0.0394.
How many inches is 1 millimeter?
1 millimeter equals 0.03937007874 inches.
How many millimeters is 1 inch?
1 inch equals 25.4 millimeters.
What is the difference between millimeters and inches?
Both are units of length. The main difference is usually scale and common usage context.
Where are millimeters and inches used?
They are used to measure length in everyday and technical contexts. The most common unit depends on the field and measurement needs.