8.255 Millimeters to Inches

8.255 mm = 0.325 in

Closest fraction: 2164(0.32813 in — differs by less than 1%)

Calculation: in = 8.255 mm × 0.0393701 = 0.325 in

Millimeter to Inch Converter

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How long is 8.255 mm?

8.255 mm (0.83 cm) is comparable to the width of a fingernail or a small button.

8.255 mm on the inch scale

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8.255 mm = 0.325 in

How to Convert Millimeter to Inch

1 millimeter = 0.0393701 inches exact

Inch = Millimeter × 0.0393701

Example: 8.255 mm × 0.0393701 = 0.325 in

Reverse Conversion

To convert inches back to millimeters:

  • Remember, 1 inch equals 25.4 millimeters.
  • To convert 0.325 in to mm, multiply 0.325 x 25.4, resulting in 8.255 mm.

exact This conversion factor is exact by international definition.

8.255 mm is also equal to:

  • 0.8255 centimeter
  • 0.008255 meter
  • 0.027083 feet
  • 0.0090278 yard
About these units

Millimeter: Metric unit equal to one thousandth (1/1000) of a meter.

Inch: Imperial/US customary unit standardized as exactly 25.4 millimeters since 1959.

Frequently Asked Questions

How much is 8.255 millimeters in inches?

8.255 millimeters equals 0.325 inches. This is calculated by multiplying 8.255 by the conversion factor 0.0393701.

What does 8.255 millimeters look like in inches?

8.255 millimeters (0.325 inches) is similar to a fingernail width or a small screw head.

How do you calculate 8.255 millimeters to inches?

Multiply 8.255 by the conversion factor 0.0393701. The calculation is 8.255 × 0.0393701 = 0.325 inches. This factor is defined by international measurement standards.

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8.255 millimeters = 0.325 inches
8.255 millimeters = 0.325 inches — conversion chart

For general conversions between millimeters and inches, see the millimeters to inches converter.

Conversion factors verified against NIST, BIPM, ISO 80000-3 1 inch = 2.54 cm by international agreement (1959). Last reviewed: March 2026
Tiago Fernandes Reviewed by Tiago Fernandes

All unit conversions on CoolConversion use conversion factors defined or documented by internationally recognised standards bodies (such as ISO and NIST), including both SI and non-SI units.