30 mm to Inches Conversion Tool
Convert millimeters to inches instantly with our precise calculator. Supports whole numbers, decimals, and fractions.
| Millimeters (mm) | Inches (in) | Fraction |
|---|---|---|
| 1 mm | 0.03937 in | ~1/25 in |
| 5 mm | 0.19685 in | ~13/64 in |
| 10 mm | 0.39370 in | ~25/64 in |
| 20 mm | 0.78740 in | ~25/32 in |
| 30 mm | 1.18110 in | 1 3/16 in |
| 50 mm | 1.96850 in | 1 31/32 in |
| 100 mm | 3.93701 in | 3 15/16 in |
How to Convert 30 mm to Inches
Converting millimeters to inches is a straightforward process. The conversion factor between millimeters and inches is:
1 millimeter = 0.0393701 inches
To convert 30 millimeters to inches:
- Take the measurement in millimeters (30 mm)
- Multiply by the conversion factor (0.0393701)
- 30 mm × 0.0393701 = 1.1811 inches
Therefore, 30 millimeters is equal to approximately 1.1811 inches or 1 3/16 inches when expressed as a fraction.
Common Millimeter to Inch Conversions
Here are some frequently used millimeter to inch conversions that are helpful for various applications:
- 5 mm to inches: 0.1969 inches (~13/64″)
- 10 mm to inches: 0.3937 inches (~25/64″)
- 15 mm to inches: 0.5906 inches (~19/32″)
- 25 mm to inches: 0.9843 inches (~63/64″)
- 30 mm to inches: 1.1811 inches (1 3/16″)
- 50 mm to inches: 1.9685 inches (1 31/32″)
- 100 mm to inches: 3.9370 inches (3 15/16″)
Practical Applications of 30 mm Measurements
The 30 mm measurement is commonly used in various fields:
- Photography: Many lens filters have a 30 mm diameter
- Engineering: Common size for small bearings and bushings
- Jewelry: Used for bracelet and necklace sizing
- DIY Projects: Standard size for certain cabinet hardware
- Military: Some aircraft cannons use 30 mm ammunition
Understanding the inch equivalent of 30 mm helps when working with international specifications or when tools are marked in different measurement systems.