Covers the most common percentage calculations: "What is X% of Y?", "X is what percent of Y?", "What is the percentage change from A to B?", "What is the original value if Y is X% of it?", and "Add/subtract a percentage from a number". Each calculator shows the formula used.
Choose the type of percentage calculation you need and enter your values for an instant result. For computing compound interest (which relies on percentage growth), try the Compound Interest Calculator.
What is 15% of 200?
Input
15% of 200
Output
30
Calculate compound interest with configurable frequency and time period.
Calculate tip amount and split the bill between any number of people.
Format numbers with locale-specific separators, currency, and scientific notation.
Calculate mean, median, mode, standard deviation, and more from a dataset.
Convert between length, weight, temperature, volume, area, and more.
Calculate the number of days, weeks, or months between two dates.