1.002 Inches to Millimeters

1.002 in ≈ 25.451 mm

Calculation: mm = 1.002 in × 25.4 ≈ 25.451 mm

Inch to Millimeter Converter

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How long is 1.002 in?

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

What does 1.002 in look like?

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

1.002 in on the millimeter scale

in00.511.52mm01020304050

1.002 in = 25.45 mm

How to Convert Inch to Millimeter

1 inch = 25.4 millimeters exact

Millimeter = Inch × 25.4

Example: 1.002 in × 25.4 = 25.451 mm

Reverse Conversion

To convert millimeters back to inches:

  • Remember, 1 millimeter equals 0.0393701 inches.
  • To convert 25.451 mm to in, multiply 25.451 x 0.0393701, resulting in 1.002 in.

exact This conversion factor is exact by international definition.

1.002 in is also equal to:

  • 2.5451 centimeter
  • 0.025451 meter
  • 0.0835 feet
  • 0.027833 yard
About these units

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

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

Frequently Asked Questions

How much is 1.002 inches in millimeters?

1.002 inches equals 25.451 millimeters. This is calculated by multiplying 1.002 by the conversion factor 25.4.

What does 1.002 inches look like in millimeters?

1.002 inches (25.451 millimeters) is about the width of a few fingers or a small smartphone.

How do you calculate 1.002 inches to millimeters?

Multiply 1.002 by the conversion factor 25.4. The calculation is 1.002 × 25.4 = 25.451 millimeters. This factor is defined by international measurement standards.

Share This Calculation

1.002 inches = 25.4508 millimeters
1.002 inches = 25.4508 millimeters — conversion chart

Nearby Conversions

0.002 inches0.0508 millimeters 2.002 inches50.85 millimeters 3.002 inches76.25 millimeters 4.002 inches101.7 millimeters 5.002 inches127.1 millimeters 6.002 inches152.5 millimeters 7.002 inches177.9 millimeters 8.002 inches203.3 millimeters 9.002 inches228.7 millimeters 10.002 inches254.1 millimeters 11.002 inches279.5 millimeters

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

Also convert Inches 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.