25.464 Millimeters to Inches

25.464 mm ≈ 1.0025 in

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

Calculation: in = 25.464 mm × 0.0393701 ≈ 1.0025 in

Millimeter to Inch Converter

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How long is 25.464 mm?

25.464 mm (2.55 cm) is comparable to the width of a thumb or the diameter of a coin.

What does 25.464 mm look like?

Comparable to the width of a thumb or the diameter of a coin
25.464 mm (2.55 cm) is comparable to the width of a thumb or the diameter of a coin.

25.464 mm on the inch scale

mm01020304050in00.511.5

25.46 mm = 1.003 in

How to Convert Millimeter to Inch

1 millimeter = 0.0393701 inches exact

Inch = Millimeter × 0.0393701

Example: 25.464 mm × 0.0393701 = 1.0025 in

Reverse Conversion

To convert inches back to millimeters:

  • Remember, 1 inch equals 25.4 millimeters.
  • To convert 1.0025 in to mm, multiply 1.0025 x 25.4, resulting in 25.464 mm.

exact This conversion factor is exact by international definition.

25.464 mm is also equal to:

  • 2.5464 centimeter
  • 0.025464 meter
  • 0.083543 feet
  • 0.027848 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 25.464 millimeters in inches?

25.464 millimeters equals 1.0025 inches. This is calculated by multiplying 25.464 by the conversion factor 0.0393701.

What does 25.464 millimeters look like in inches?

25.464 millimeters (1.0025 inches) is one to four inches — a small component or connector.

How do you calculate 25.464 millimeters to inches?

Multiply 25.464 by the conversion factor 0.0393701. The calculation is 25.464 × 0.0393701 = 1.0025 inches. This factor is defined by international measurement standards.

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25.464 millimeters = 1.00252 inches
25.464 millimeters = 1.00252 inches — conversion chart

Nearby Conversions

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

Also convert Millimeters to:

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