Free Online Calculators — Percentage, EMI, Compound Interest & More

Percentage Calculator Calculate percentages, find what % one number is of another, and compute % change.

Discount Calculator Calculate sale price, amount saved, and original price from any discount.

Age Calculator Find your exact age in years, months, and days. See your next birthday countdown.

Date Difference Calculator Find the exact number of days, weeks, months, and years between two dates.

EMI Calculator Calculate monthly EMI, total interest, and full repayment schedule for any loan.

Compound Interest Calculator Calculate compound interest growth with yearly breakdown and multiple compounding frequencies.

GST Calculator Add or remove GST from any amount, with CGST/SGST and IGST breakdown for India GST rates.

Date Calculator Count down to a date, calculate business days excluding weekends and holidays, or find the week number of any date.

Date & Time Converter Convert Unix timestamps to human-readable dates, format dates as ISO 8601, or convert times between time zones.

Aspect Ratio Calculator Calculate the missing width or height to match an aspect ratio, simplify a ratio from pixel dimensions, or look up common screen resolutions.

Number to Words Converter Convert numbers into words using Indian (lakh, crore) or International (million, billion) numbering systems, or convert to and from Roman numerals.

Statistics Calculator Calculate mean, median, mode, range, variance, and standard deviation from a list of numbers.

Distance Calculator Calculate the great-circle distance between two coordinates, or solve distance, speed, or time from the other two.