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Rectangle Gravel/Mulch Volume CalculatorCalculate how many cubic yards of gravel, mulch, sand or topsoil you need to fill a rectangular area at a given depth. Enter length, width and depth.
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Rectangular Lumber Board Feet CalculatorCalculate board feet of rectangular lumber from length, width and thickness in inches. Multiply by board count for total BF instantly.
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Total Square Footage Calculator (Multiple Rooms)Add up the square footage of multiple rooms at once. Enter each room's length and width to get total square feet, square yards, and square meters.
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Laminate Flooring CalculatorCalculate how many boxes of laminate flooring you need. Enter room size, waste allowance and coverage per box to get exact boxes and total area.
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Square Feet to Yards of Concrete CalculatorConvert square feet and slab thickness into cubic yards of concrete needed for your pour. Free, fast estimator with a 10% waste allowance.
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Flooring Cost per Square Foot CalculatorEstimate your total flooring material cost. Enter room dimensions, price per square foot, and a waste factor to budget your project accurately.
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Gallons of Water in Pool CalculatorCalculate how many gallons of water fill your swimming pool. Enter length, width, and average depth in feet for an instant US gallon estimate.
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Square Footage Cost CalculatorCalculate total project cost from square footage. Enter length, width, and price per square foot to estimate flooring, paint, tile, or material costs fast.
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Square Feet to Cubic Feet CalculatorConvert square feet to cubic feet instantly. Enter floor area and depth/height to get volume in ft³ (and cubic yards) for concrete, mulch, soil and more.
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Floor Area CalculatorCalculate floor area and square footage instantly. Enter length and width to get area in square feet, square meters, and square yards.
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Swimming Pool Surface Area CalculatorCalculate the water surface area of a rectangular swimming pool from its length and width. Get results in square feet and square meters instantly.
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Feet and Inches Fraction CalculatorConvert feet, inches and a fraction into total inches and total feet, then back into a clean feet-inches-fraction reading rounded to 1/2 to 1/32.
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Roof Pitch Area Multiplier CalculatorCalculate actual roof surface area from footprint and pitch. Find the slope multiplier factor for any rise/run pitch like 6/12 or 12/12 instantly.
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Room Perimeter Calculator for Baseboard & TrimCalculate the perimeter of a rectangular room and the linear feet of baseboard or trim you need, minus doorways and plus a waste allowance.
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Gravel Coverage Area CalculatorCalculate how much gravel you need for a project. Enter area, depth, and density to get volume in cubic feet, cubic yards, and tons.
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Ceiling Area CalculatorCalculate ceiling area in square feet from length and width. Get square footage plus square meters and square yards for paint or tile estimates.
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Rational Method Stormwater Runoff CalculatorCalculate peak stormwater runoff with the Rational Method Q=CiA. Enter runoff coefficient, rainfall intensity and drainage area for US (cfs) or SI (m³/s).
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Number of Tiles to Cover a Rectangle CalculatorCalculate how many rectangular tiles you need to cover a rectangular floor or wall, including a waste allowance for cuts and breakage.
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Rectangle Fence Cost CalculatorEstimate the cost to fence a rectangular yard. Enter length, width, and price per foot to get the perimeter and total fencing material cost instantly.
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Rectangle Square Footage Cost CalculatorCalculate the total cost of a rectangular area by multiplying its square footage (length × width) by your price per square foot. Fast and free.
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Stud Count CalculatorEstimate how many wall studs you need by wall length and on-center spacing (16 or 24 in). Adds corner studs for fast framing material takeoffs.
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Concrete Footing CalculatorCalculate concrete footing volume in cubic yards and cubic feet, plus the number of bags needed. Enter width, depth, length, quantity and waste %.
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Bags of Concrete CalculatorCalculate how many 40, 60, or 80 lb bags of concrete you need for a slab, footing, or pad. Enter length, width, and thickness to get bag count.
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Square Feet to Linear Feet CalculatorConvert square feet to linear feet by board width. Estimate how much flooring, decking, or lumber you need in linear feet quickly and accurately.
