4 calculators
Everyday math
Percents, fractions, averages, and ratios.
Percentage calculator Find a percent of a number, what percent one number is of another, or the percent change. Fraction calculator Add, subtract, multiply, or divide two fractions and get the simplified answer, mixed number, and decimal. Average calculator (mean, median, mode) Find the mean, median, mode, range, and sum of a list of numbers, with a plain explanation of each. Ratio calculator Simplify a ratio to lowest terms, or scale a ratio up or down to solve for the missing value in A:B = C:D.