🧱 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
Estimates how many bags of Quikrete, Sakrete, or other premix concrete needed for a project
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Concrete Column Calculator
Calculates concrete for round columns, sonotubes and piers by height and diameter
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Concrete Footing Calculator
Estimates concrete for strip, spread, and trench footings
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Concrete Mix Ratio Calculator
Calculates cement, sand, gravel ratios for custom mix concrete
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Concrete Pump Line Calculator
Checks a concrete pump line against the pump: equivalent length, line pressure and share of the pump rating
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Concrete Slab Calculator
Calculates concrete volume for slabs, patios, sidewalks, and driveways
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Concrete Slump Calculator
Classifies a target concrete slump and shows the ASTM C94 test tolerance
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Concrete Steps Calculator
Estimates concrete volume for outdoor steps and porch stairs
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Concrete Wall Calculator
Calculates concrete volume for poured walls, foundation walls, and stem walls
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Floor Screed Calculator
Counts the bags of screed mix for a floor, and checks the depth for the screed type
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Mortar Calculator
Estimates mortar bags needed for brick, block, or stone laying
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Post Hole Concrete Calculator
Calculates concrete needed for setting fence posts, deck posts, or mailbox posts
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Ready-Mix Truck Volume Calculator
Calculates how many ready-mix concrete trucks needed for a pour
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Rebar / Reinforcement Calculator
Calculates rebar quantity, length, and weight for slabs and footings
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Self-Leveling Underlayment Calculator
Calculates self-leveling underlayment for concrete floor prep before tile or vinyl install