Percentage & Business Calculators
Understand changes, prices and business margins.
Choose percentage change when comparing an outcome to a baseline, and percentage difference when neither value is the baseline. For business pricing, margin uses revenue as its denominator while markup uses cost.
Popular Calculators
Percentage Calculator
Find a percentage of a number.
All Tools in This Category
10 calculators
Percentage Calculator
Find a percentage of a number.
Percentage Increase Calculator
Measure growth relative to an original value.
Percentage Decrease Calculator
Measure a reduction relative to an original value.
Percentage Difference Calculator
Compare two nonnegative values without choosing a baseline.
Reverse Percentage Calculator
Recover the whole when a known amount represents a percentage.
Discount Calculator
Calculate savings and the price after a discount.
Profit Margin Calculator
Find gross profit as a share of revenue.
Markup Calculator
Measure profit relative to cost.
Sales Tax Calculator
Add a sales-tax rate to a pre-tax amount.
Commission Calculator
Estimate commission using a flat percentage rate.