Everyday Math

Percentages, fractions, ratios, GPA, averages, unit price, and other daily math calculators.

12 calculators

Percentage Calculator

Find X% of Y, what percent X is of Y, or percent change between two values.

Calculate final price after discounts and sales tax or VAT with a full breakdown.

Calculate tip, grand total, and per-person share with preset tip percentages.

Calculate gross margin, markup percentage, and profit from cost and selling price.

Solve proportions A:B = C:D or simplify ratios to lowest terms.

Convert between fractions, decimals, and percentages with live sync.

Calculate term and cumulative GPA from course credits and letter grades on a 4.0 scale.

Find what score you need on the final exam or remaining points to hit a target grade.

Compare pack prices by unit cost and see which option is the best value.

Find the mean of a list of numbers, with optional weights, plus median and mode.

Generate one or many random integers or decimals in a range, with an optional unique list.

Simplify width and height to lowest terms, or scale a ratio to a target side.