Rebar Spacing
Calculate reinforcement spacing
Input Parameters
Valid
Bar Spacing
0.00 mm
Formula
Spacing = (Width - 2×Cover - Bar Diameter) / (N - 1)
Fill in the values on the left and click Calculate to see your result.
Formula
Spacing = (Width - 2×Cover - Bar Diameter) / (N - 1)
Even spacing of reinforcement bars across concrete width.
Assumptions
- Equal spacing between bars
- Standard concrete cover
Step 1: Calculate available width
1000 - 2×40 = 920 mm
Step 2: Apply spacing formula
920 / (5-1) = 230 mm
Frequently Asked Questions
Why is spacing important?
Proper spacing ensures adequate bond and crack control.