🧱 Concrete & Foundations
Concrete & Foundations calculators
Concrete slab, footing, column, post-hole, ready-mix truck, rebar grid, water-cement ratio, slump and bag-count calculators — volume and cost estimators.
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Cement Bags Calculator
Converts concrete volume to number of bags (40lb, 60lb, 80lb / 20kg, 25kg, 40kg)
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Concrete Column Calculator
Calculates concrete for round and square columns by height and diameter
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Concrete Footing Calculator
Estimates concrete for strip, pad, and trench footings
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Concrete Mix Ratio Calculator
Calculates sand, cement, and aggregate quantities for standard and custom mix ratios
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Concrete Pump Line Calculator
Estimates concrete pump pipe length and pressure losses for a pour
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Concrete Slab Calculator
Calculates concrete volume for slabs, paths, and driveways
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Concrete Slump Calculator
Estimates slump value from water content and mix design inputs
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Concrete Steps Calculator
Estimates concrete volume for outdoor steps
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Concrete Wall Calculator
Calculates concrete volume and formwork area for poured concrete walls
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Floor Screed Calculator
Calculates volume and bags of floor screed by area and depth
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Mortar Calculator
Estimates sand and cement for mortar mixes
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Post Hole Concrete Calculator
Calculates bags of concrete for setting fence and deck posts
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Ready-Mix Truck Volume Calculator
Calculates how many ready-mix trucks are needed for a pour volume
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Rebar / Reinforcement Calculator
Calculates rebar length, weight, and spacing for slabs, walls, and footings
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Water-Cement Ratio Calculator
Calculates water-cement ratio for a concrete mix and estimates strength