# MW SysArc Calculators, Converters & Graphing Tools

> Calculate expressions, convert common units, plot functions and solve percentage questions locally.

All calculations on these pages run locally in the visitor's browser. Calculation inputs are not uploaded or stored.

## Tools

- [Percentage Calculator](https://calc.mwsysarc.com/percentage-calculator): Solve common percentage questions with clear inputs and instant local results.
- [Online Scientific Calculator](https://calc.mwsysarc.com/scientific-calculator): Evaluate powers, roots, logarithms, trigonometric functions and grouped expressions locally.
- [Reverse Percentage Calculator](https://calc.mwsysarc.com/reverse-percentage-calculator): Recover an original value from a known result after a percentage increase or decrease.
- [Online Standard Calculator](https://calc.mwsysarc.com/standard-calculator): Use a fast keyboard-friendly calculator for arithmetic, percentages, powers and common scientific functions.
- [Online Function Plotter](https://calc.mwsysarc.com/function-plotter): Plot up to three mathematical functions with adjustable axes, zoom controls and accessible sample values.
- [Temperature Converter](https://calc.mwsysarc.com/temperature-converter): Convert Celsius, Fahrenheit and Kelvin instantly in either direction.
- [Length and Distance Converter](https://calc.mwsysarc.com/length-distance-converter): Convert kilometres, miles, metres, feet, inches, yards and nautical miles.
- [Weight and Mass Converter](https://calc.mwsysarc.com/weight-mass-converter): Convert kilograms, pounds, ounces, stone, grams and milligrams.
- [Volume Converter](https://calc.mwsysarc.com/volume-converter): Convert litres, millilitres, US and imperial gallons, cups and fluid ounces.
- [Area Converter](https://calc.mwsysarc.com/area-converter): Convert square metres, square feet, acres, hectares and square kilometres.
- [Speed Converter](https://calc.mwsysarc.com/speed-converter): Convert kilometres per hour, miles per hour, metres per second and knots.
- [Fuel Economy Converter](https://calc.mwsysarc.com/fuel-economy-converter): Convert L/100 km, US MPG, imperial MPG and kilometres per litre.
- [Pressure Converter](https://calc.mwsysarc.com/pressure-converter): Convert bar, PSI, pascals, kilopascals, atmospheres and millimetres of mercury.
- [Data Storage Converter](https://calc.mwsysarc.com/data-storage-converter): Convert bytes, bits, decimal KB/MB/GB/TB and binary KiB/MiB/GiB/TiB.
- [Time Unit Converter](https://calc.mwsysarc.com/time-converter): Convert milliseconds, seconds, minutes, hours, days, weeks and common year lengths.

## Publisher

MW SysArc — https://mwsysarc.com