Convert 16 mm to inches | 16 mm ≈ 5/8" | Calculator

Quick Answer: 16 mm = 0.6299 inches ≈ 58"

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16 mm = 0.6299 inches

16 mm ≈ 58 in (error: 0.78%)

16 mm ≈ 5/8" (error: 0.78%)

Quick calculation:

  1. 16 mm ÷ 25.4 = 0.6299"
  2. 0.6299 × 8 = 5 → round to 5
  3. Result: 5/8

5/8" / 1.6 cm on a Ruler

Imperial (inches)

5/8 in on a ruler 0 1 2 3 4 5/8 in

Metric (cm)

1.6 cm on a ruler 0 1 2 3 4 5 6 7 8 9 10 1.6 cm

The red markers show 16 mm as 5/8" (imperial) and 1.6 cm (metric).

Learn more about converting mm to fractional inches →

Similar MM to Inches Conversions

Values close to 16 mm for quick reference:

Millimeters Decimal Inches Fractional Inches
6 mm 0.2362″ 15/64″
8 mm 0.315″ 5/16″
10 mm 0.3937″ 25/64″
12 mm 0.4724″ 15/32″
14 mm 0.5512″ 35/64″
16 mm 0.6299″ 5/8″
18 mm 0.7087″ 45/64″
20 mm 0.7874″ 25/32″
22 mm 0.8661″ 55/64″
24 mm 0.9449″ 15/16″
26 mm 1.0236″ 1 1/32″

See Also

Frequently Asked Questions

How much is 16 mm in inches?

16 millimeters equals 0.6299" (exactly 16 ÷ 25.4 inches).

How do I convert 16 mm to inches?

Divide millimeters by 25.4: 16 ÷ 25.4 = 0.6299 inches.

Is the conversion exact?

Yes. 1 inch = 25.4 mm exactly (1959 International Yard and Pound Agreement). All values on this page use this exact factor.

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16 mm to inches — 0.6299"

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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.

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