Everyday Math Calculators
Quick, reliable calculators for percentages, splitting bills, converting units, and the everyday math you don’t want to do by hand.
Which calculator do I need?
For schoolwork, the homework helpers show their steps: the Fraction Calculator adds, subtracts, multiplies, and divides with automatic simplification, the Quadratic Formula and Slope tools cover algebra basics, LCM and GCF handles factoring, and the GPA and Final Grade calculators answer the eternal question of what you need on the final.
For statistics, start with Mean, Median, and Mode for a quick summary of any data set, move to Standard Deviation to measure spread, and use Probability and Percent Error for experiments and lab reports.
Day to day, the Percentage Calculator handles raises, discounts, and tips of every flavor, Tip and Bill Split settles dinner fairly, Ratio scales recipes and mixtures, the Unit Converter moves between metric and imperial, and the Basic and Scientific calculators are always a tab away. Need an unbiased pick? The Random Number Generator has you covered.