CALCULATORS & CONVERTERS

Construction & DIY

Calculate diagonals, areas, solid volumes and scale ratios for plans and layouts. Mix clearly labelled length units.

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A tool can belong to several categories. All tools lists each calculator once.

Geometry

Hypotenuse Calculator

Construction & DIY · Learning & Education

Find the diagonal of a right triangle or rectangle. Mix length units and compare 21 unit conversions with a triangle diagram.

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Circle Calculator

Learning & Education · Construction & DIY

Find a circle’s diameter, circumference and area from its radius. Choose regional length units and see a labeled circle and conversion table.

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Triangle Area Calculator

Learning & Education · Construction & DIY

Calculate triangle area from base and perpendicular height or from three side lengths. Mix regional units and follow the area formula with a diagram.

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Volume and Surface Area Calculator

Construction & DIY · Learning & Education

Calculate the volume and surface area of a box, cylinder, sphere or cone. Mix length units, inspect a dimensioned diagram and compare regional volume units.

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Scale Calculator

Construction & DIY · Design & Drawing · Learning & Education

Find real length, drawing length or a scale ratio. Mix length units and compare linear, area and volume scale factors with a size diagram.

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