# 30 Millimeter to Inch

Convert 30 (thirty zero) Millimeters to Inches (mm to in) with our conversion calculator.

30 Millimeters to Inches equals 1.1811 in.

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Convert 30 Millimeters to Inches (mm to in) with our conversion calculator.

30 Millimeters to Inches equals 1.1811 in.

To convert 30 millimeters (mm) to inches, we use the conversion factor that 1 inch is equal to 25.4 millimeters. The calculation involves dividing the number of millimeters by 25.4 to find the equivalent number of inches.

The formula for the conversion is: Inches = Millimeters / 25.4. Applying this formula, we calculate 30 mm to inches as follows: 30 mm / 25.4 = 1.181102362 inches. Therefore, 30 millimeters is approximately equal to 1.1811 inches when rounded to four decimal places. This conversion is useful for those familiar with the imperial measurement system and needing to understand measurements given in metric units, especially when precision is required, such as in engineering or woodworking.

Items that are typically 30 mm in length include:

• Small USB Flash Drives:

• They are often about this length, making them compact and portable for easy storage and transport.
• Standard Dice:

• The edge of a standard dice is usually around 16mm, but larger, specialty dice can be around 30mm for various gaming applications.
• Watch Battery:

• Some larger coin cell batteries used in watches and small electronic devices measure 30mm in diameter.
• SD Cards:

• The length of a standard SD card is around 32mm, with MiniSD cards being just slightly under 30mm, fitting into this category.
• A typical house key:

• The blade length of a common house key can be around 30mm, varying slightly among different designs.