Convert 27 mm to inches | 27 mm ≈ 1 1/16" | Calculator

Quick Answer: 27 mm = 1.063 inches ≈ 1 116"

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27 mm = 1.063 inches

27 mm ≈ 1 in (error: 5.93%)

27 mm ≈ 1 18 in (error: 5.83%)

27 mm ≈ 1 116 in (error: 0.05%)

27 mm ≈ 1 1/16" (error: 0.05%)

Quick calculation:

  1. 27 mm ÷ 25.4 = 1.0630"
  2. 1.0630 × 16 = 17 → round to 17
  3. Result: 17/16

1 1/16" / 2.7 cm on a Ruler

Imperial (inches)

1 1/16 in on a ruler 0 1 2 3 4 1 1/16 in

Metric (cm)

2.7 cm on a ruler 0 1 2 3 4 5 6 7 8 9 10 2.7 cm

The red markers show 27 mm as 1 1/16" (imperial) and 2.7 cm (metric).

Learn more about converting mm to fractional inches →

Similar MM to Inches Conversions

Values close to 27 mm for quick reference:

Millimeters Decimal Inches Fractional Inches
17 mm 0.6693″ 43/64″
19 mm 0.748″ 3/4″
21 mm 0.8268″ 53/64″
23 mm 0.9055″ 29/32″
25 mm 0.9843″ 63/64″
27 mm 1.063″ 1 1/16″
29 mm 1.1417″ 1 9/64″
31 mm 1.2205″ 1 7/32″
33 mm 1.2992″ 1 19/64″
35 mm 1.378″ 1 3/8″
37 mm 1.4567″ 1 29/64″

See Also

Frequently Asked Questions

How much is 27 mm in inches?

27 millimeters equals 1.063" (exactly 27 ÷ 25.4 inches).

How do I convert 27 mm to inches?

Divide millimeters by 25.4: 27 ÷ 25.4 = 1.063 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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27 mm to inches — 1.063"

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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