Rebar conversions

Convert rebar quantities and sizes to equivalent bar areas

Convert a quantity of bars to another size:

Enter a bar size, quantity, and new bar size to calculate the equivalent number of bars to maintain equal area.

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Convert distributed bars to another size and spacing:

Enter a bar size, spacing, and a new bar size to calculate the equivalent spacing to maintain equal area.

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Calculate Rectangular Slab Reinforcing Quantity:

Enter the slab dimensions, rebar size, and spacing to calculate the total bar length, weight, and reinforcing ratio.

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Total Bar Length: (12) #4-12ft + (12) #4-12ft = 288ft

Total Weight: 196 lbs

Reinforcing Ratio: 0.208%