1/8 Inch to 1/4 inch Converter (and vice versa)

Created by: tinycalcs.com/en
Number of supported units: 2
Last update: 2026

This converter allows you to convert 1/8 inches [⅛″] to 1/4 inches [¼″] or 1/4 inches [¼″] to 1/8 inches [⅛″]. Calculations are performed in both directions. The calculation result and the entered value are displayed with up to 20 decimal places for maximum accuracy.

1/8 inch [⅛″] = 0.5 1/4 inches [¼″]1/4 inch [¼″] = 2 1/8 inches [⅛″]

Convert 1/8 inches to 1/4 inches

There are two simple ways to convert 1/8 inches [⅛″] to 1/4 inches [¼″]. In the first calculation method, the value in 1/8 inches [⅛″] is divided by 2. The second method multiplies the value in 1/8 inches [⅛″] by 0.5.

  • 1/4 Inches [¼″] = 1/8 inches [⅛″] ÷ 2
  • 1/4 Inches [¼″] = 1/8 inches [⅛″] * 0.5

Convert 1/4 inches to 1/8 inches

Converting 1/4 inches [¼″] to 1/8 inches [⅛″] is easy and can be done in two ways. The first method involves multiplication, whereby the value in 1/4 inches [¼″] is multiplied by 2. The second variant is a division. Here, the value in 1/4 inches [¼″] is divided by 0.5.

  • 1/8 Inches [⅛″] = 1/4 inches [¼″] * 2
  • 1/8 Inches [⅛″] = 1/4 inches [¼″] ÷ 0.5

Converter

Decimal places

How it's calculated

Factor: 
2
1/8 Inches=1/4 Inches*2
1/4 Inches=
1/8 Inches2

To all available units

1/8 Inches

Quarter miles

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Thous

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Twips

1/8 Inches

Yards

Eighth miles

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