Construction
Anchor Bolt Calculator
Sill plate length to anchor bolt count at code-required spacing.
Anchor bolts
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- Plus end bolts
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- Spacing (ft)
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- Edge distance (in)
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FAQ
Code requirement? +
IRC: 6 ft max spacing, plus a bolt within 12 inches of each end and at every splice.
Bolt diameter? +
1/2 inch diameter minimum, with 7 inches of embedment in concrete is typical.