Calculator Pro

Free calculator with business, science, maths and imperial/metric conversions.

This free, simple and easy app provides a range of different calculators.

Business Calculators - including sales tax, VAT, gross profit margin, markup, break-even and equity calculations.

Science Calculators - including Mass/Density/Volume, Speed/Distance/Time, Force/Acceleration, Waves/Frequency and Charge/Current.

Maths Calculators - including Volume and Area of Circles, Spheres, Pyramids, Cones and Cuboids.

Conversions Calculators - between Metric and Imperial (US and UK) for weight, distance, area, volume and temperature.

The app is adapted for phones and tablets, both portrait and landscape.

You can choose a number of different themes and fonts to personalize the app. The app supports both metric and imperial measure, and either decimal points or decimal commas as required.

The app does not send or receive any information about your calculations. Internet access is only used for adverts. Settings information is only used to personalize the app to show you the appropriate currency and units.