Grid Layout Calculator – Calculate Column Widths, Gutters & Margins for Web Design
Build perfect grid layouts with our Grid Layout Calculator. Enter your container width, number of columns, and gutter size to calculate precise column widths and margins — essential for responsive web design and print layout.
Common Grid Systems:
Grid Calculations
Enter grid settings and click Calculate to see calculations
Grid System Best Practices
- 12 columns: Most flexible, divisible by 2, 3, 4, 6
- Gutter width: 20-30px for desktop, 10-15px for mobile
- Container margins: Match gutter width for consistency
- Responsive: Use different column counts at breakpoints
Formula: Column Width = (Container - 2×Margin - (Columns-1)×Gutter) / Columns
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