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Shower Tile CalculatorEstimate how many tiles you need for your shower walls. Enter wall dimensions, tile size, and waste allowance to get an accurate tile count.
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Log Board Foot CalculatorEstimate board feet of lumber from a log using the Doyle, Scribner, or International 1/4-inch log rules. Enter small-end diameter and length.
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Patio Brick CalculatorCalculate how many bricks or pavers you need for a patio. Enter patio dimensions, brick size, and waste percentage to get an accurate brick count.
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Board Foot Price CalculatorCalculate the total cost of lumber by board foot. Enter thickness, width, length, quantity, and price per board foot to get total board feet and cost.
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Rock Weight CalculatorEstimate the weight of a rock or boulder from its size and rock type. Get results in pounds, US tons, and kilograms for granite, basalt, limestone and more.
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Hip Roof Shingle CalculatorEstimate shingle bundles and roofing squares for a hip roof from building length, width, pitch, and waste factor. Fast, accurate material planning.
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Fence Post Spacing CalculatorCalculate how many fence posts you need, the number of panels, and the exact even spacing between posts for any fence length.
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Tile Calculator (Square Meters)Free tile calculator in square meters. Enter room and tile sizes plus waste % to find total area and the number of tiles you need to buy.
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Post and Rail Fence CalculatorCalculate posts, sections, and rails needed for a post and rail fence. Enter fence length, post spacing, and rails per section for instant materials.
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Deck Stair Stringer CalculatorCalculate deck stair stringers: number of risers, actual riser height, total run, stringer cut length and stair angle from your total rise.
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Sod Cost CalculatorEstimate the cost of sod for your lawn. Enter area dimensions, price per square foot, waste overage, and optional labor to get a total install estimate.
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Laminate Flooring Cost CalculatorEstimate the cost of laminate flooring for any room. Enter dimensions, price per square foot, waste allowance and labor to get a full material and labor estimate.
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Spray Paint Coverage CalculatorCalculate how many spray paint cans you need for any project. Enter area, coats, can coverage, and waste percentage to get an exact, rounded-up estimate.
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Stair Tread CalculatorCalculate the number of stair treads and risers, riser height, tread depth, and total run from your total rise. Free, instant staircase layout tool.
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Tile Grout CalculatorEstimate how much tile grout you need in litres and kilograms from tile size, joint width, thickness, area and grout density. Free, accurate and easy.
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Duct Size CalculatorFree duct size calculator. Find the required round duct diameter or rectangular dimensions from airflow (CFM) and air velocity (FPM) for HVAC systems.
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Pipe Wall Thickness Calculator (Barlow's Formula)Calculate minimum pipe wall thickness from internal pressure, outside diameter, and allowable stress using Barlow formula t = PD/(2S). In inches and mm.
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Wind Load Pressure CalculatorCalculate dynamic wind pressure with q = ½ρv². Enter wind speed and air density to get pressure in pascals, plus total wind force on an area.
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Two-Support Beam Reaction CalculatorCalculate support reactions R1 and R2 for a simply supported beam with a single point load using static equilibrium equations.
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Fraction to MM Conversion Chart CalculatorConvert any fractional inch to millimeters and decimal inches instantly. Enter a numerator and denominator to get mm, cm and decimal values.
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Cubic Feet Calculator (Volume & Cost for Multiple 3D Shapes)Calculate volume in cubic feet for boxes, rooms, tanks, cylinders, spheres and more. Convert to cubic inches, yards, meters, gallons, liters and total cost.
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Concrete Slab CalculatorCalculate concrete slab area and volume. Enter length, width, and thickness to get square feet, cubic feet, cubic yards, and bag estimates.
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Concrete Slab CalculatorCalculate concrete needed for a slab in cubic yards and cubic feet, plus how many 40, 50, 60 or 80 lb bags to buy. Free estimator.
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Slope / Grade CalculatorCalculate slope as a percent grade, angle of incline, slope length and ratio from rise and run. Free, instant grade calculator for any units.
