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CALCULATORS & CONVERTERS

Shopping · Page 3

Convert prices and estimate an overseas order with shipping, fees and any local charges you enter.

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Construction

Paint Calculator

Construction & DIY · Design & Drawing · Shopping

Estimate paint for a rectangular room from wall dimensions, excluded wall area, coats and entered coverage. Include the ceiling optionally and round to whole cans.

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Tile Calculator

Construction & DIY · Design & Drawing · Shopping · Learning & Education

Estimate tile and pack quantities from a rectangular room and tile size. Compare an area budget with two simple grid orientations and add your own allowance.

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Geometry

Box Packing Calculator

Shopping · Construction & DIY · Design & Drawing

Compare all six orientations for identical rectangular items in a rectangular container. Find the best uniform grid, counts along each axis and volume utilization.

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Physics

Battery Capacity and Runtime Calculator

Science & Lab · Shopping · IT & Communication

Convert nominal battery charge and energy using battery voltage. Estimate constant-load runtime from usable capacity and conversion efficiency.

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Shopping

Parcel Dimensional Weight Calculator

Shopping · Travel

Compare packed actual weight and volumetric weight using an entered divisor. Round each identical parcel to an entered weight increment and total the shipment weight.

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Unit Price Calculator

Shopping · Money Management

Compare product bundles by price per the same quantity. Mix compatible units, include multiple packs and view a ranked table and unit-price chart.

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