Math Calculators

Quick, accurate math tools for school, work, and everything in between. Each calculator shows its method step by step, so you can check the answer and learn the process.

Percentages & Numbers

• PercentagePercent of a number
• Percentage ChangeIncrease or decrease
• FractionAdd, multiply & simplify
• RatioSimplify & solve proportions
• Random Number GeneratorNumbers in any range

Statistics

• AverageMean, median & mode
• Standard DeviationSample or population

School & Grades

• GPASemester GPA
• GradeFinal exam score needed