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Calcimator

Grid Layout Calculator

Calculate column widths, gutters, and margins for a design grid.

Inputs

px
px
px

Results

Column Width

90 px

Content Width1,344 px
Number of Gutters11
Half Column Width45 px
2-Column Span204 px
How to Use This Calculator
  1. Enter the Canvas Width in pixels and the Number of Columns for your grid system.
  2. Enter the Gutter Width (space between columns) and Margin Width (outer left/right margins).
  3. Review the Column Width in pixels — the core unit of your grid.
  4. Check Content Width, Half-Column Width, and 2-Column Span for layout planning.
  5. Use these values to set guides in your design tool (Figma, Sketch, Adobe XD, or Illustrator).

How the result changes with Canvas Width

Canvas WidthColumn Width
85841.5 px
2,753199.42 px
5,027388.92 px
6,922546.83 px

What each input means

Canvas Width
Total width of your design canvas or viewport.
Number of Columns
How many columns in the grid system.
Gutter Width
Space between each column.
Margin Width
Left and right margin outside the grid.

How this is calculated

Worked example, using the default values

  1. Identify Input Parameters
    4 parameters
    Canvas Width = 1440, Number of Columns = 12, Gutter Width = 24, Margin Width = 48 = 4 input(s) provided
  2. Calculate Column Width
    Column Width
    90 = 90
  3. Calculate Content Width
    Content Width
    1344 = 1344
  4. Calculate Number of Gutters
    Number of Gutters
    11 = 11

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