18 calculators available
Simplify ratios and find equivalent ratios.
Reduce a ratio to its simplest form.
Solve ratio and proportion word problems.
Find ratios equivalent to a given ratio.
Calculate golden ratio dimensions from one measurement.
Find missing dimension from aspect ratio and one side.
Calculate the unit rate from a ratio.
Find the scale factor between two similar figures.
Convert map distances to real distances using a scale.
Calculate concentration ratios for market analysis.
Calculate your debt-to-income ratio.
Calculate the P/E ratio of a stock.
Calculate the current ratio for financial liquidity.
Calculate the acid-test (quick) ratio.
Calculate the student-to-teacher ratio for a classroom.
Calculate amounts needed when mixing two solutions by ratio.
Resize photos while maintaining aspect ratio.
Scale a recipe up or down by any factor.