Calculator collection
Measurement & Layout Calculators
Convert job-site dimensions into usable area, pitch, board-foot, and layout quantities with the units and intermediate math kept visible.
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Featured measurement & layout calculators
These focused tools cover the most common starting points in this trade. The complete searchable collection remains below.
Square Footage Calculator →Add and subtract multiple shapes, with square-yard, meter, and acre conversions.Drainage Slope Calculator →Calculate drainage fall, slope percent, ratio, angle, and stock pipe length without assuming a universal target.Board Feet Calculator →Lumber tally in board feet with quarters thickness, pricing, and waste.Roof Area Calculator →Quickly convert a roof footprint and pitch into sloped area and squares.
7 calculators available
Measurement & Layout7
Board Feet CalculatorLumber tally in board feet with quarters thickness, pricing, and waste.Drainage Slope CalculatorCalculate drainage fall, slope percent, ratio, angle, and stock pipe length without assuming a universal target.Lumber CalculatorEstimate boards, board feet, linear feet, weight, waste, and cost.Rafter Length CalculatorCalculate common-rafter geometry from span, pitch, ridge, and overhang.Roof Area CalculatorQuickly convert a roof footprint and pitch into sloped area and squares.Roof Pitch CalculatorPitch, angle, slope percent, pitch factor, rafter, and ridge height.Square Footage CalculatorAdd and subtract multiple shapes, with square-yard, meter, and acre conversions.
What these estimates include
Measure from the actual project and keep enough precision for the work. These tools support takeoffs and layout checks; approved drawings, field verification, and trade-specific requirements still control construction.
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