Centimeter to 1/2 inch Converter (and vice versa)
Created by: tinycalcs.com/en
Number of supported units: 2
Last update: 2026
This converter allows you to convert centimeters [cm] to ½ inches [½”] or ½ inches [½”] to centimeters [cm]. Calculations are performed in both directions. The calculation result and the entered value are displayed with up to 20 decimal places for maximum accuracy.
Convert centimeters to ½ inches
There are two simple ways to convert centimeters [cm] to ½ inches [½”]. In the first calculation method, the value in centimeters [cm] is divided by 1.27. The second method multiplies the value in centimeters [cm] by the rounded conversion factor of 0.7874.
- ½ Inches [½”] = centimeters [cm] ÷ 1.27
- ½ Inches [½”] ≈ centimeters [cm] * 0.7874
The calculation method with a rounded conversion value is more suitable for rough conversions from centimeters [cm] to ½ inches [½”], as the calculation result may contain rounding errors. Therefore, the variant with the exact conversion factor is more suitable.
Convert ½ inches to centimeters
Converting ½ inches [½”] to centimeters [cm] is easy and can be done in two ways. The first method involves multiplication, whereby the value in ½ inches [½”] is multiplied by 1.27. The second variant is a division. Here, the value in ½ inches [½”] is divided by the rounded conversion factor of 0.7874.
- Centimeters [cm] = ½ inches [½”] * 1.27
- Centimeters [cm] ≈ ½ inches [½”] ÷ 0.7874
The rounded conversion value can cause rounding errors, resulting in inaccurate calculation results. To ensure that the conversion from ½ inches [½”] to centimeters [cm] produces the most accurate calculation result possible, the conversion should be performed using the exact conversion factor.
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