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RisingCalc: today’s top picks

RisingCalc

Simple everyday calculators: age, D-day, percent, loan, BMI, unit converters and more.

Updated Nov 13
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  1. Age calculatorYour exact age in years, months and days, days lived and the next birthday.
  2. Days until / between datesHow many days until a date, or between two dates, including weeks and weekdays.
  3. Add or subtract daysFind the date N days before or after any date, with the weekday.
  4. Percentage calculatorX% of Y, what percent X is of Y, and percentage increase or decrease.
  5. Discount calculatorSale price and how much you save from the original price and discount rate.
  6. Loan payment calculatorMonthly payment and total interest for a fixed-rate loan (equal monthly payments).
  7. BMI calculatorBody mass index from height and weight, with the WHO category.
  8. Length converterConvert mm, cm, m, km, inches, feet, yards and miles.
  9. Weight converterConvert grams, kilograms, tonnes, ounces, pounds and stones.
  10. Temperature converterConvert Celsius, Fahrenheit and Kelvin instantly.
  11. Day of the week calculatorFind which day of the week any date falls on.
  12. Week number calculatorISO week number and day of the year for any date.
  13. Time duration calculatorHours and minutes between two times, even past midnight.
  14. Work hours calculatorHours worked from start, end and break time, plus pay at an hourly rate.
  15. Unix timestamp converterConvert a Unix timestamp to a date and time, and back.
  16. Leap year checkerCheck if a year is a leap year and see the next leap years.
  17. Average calculatorMean, median, sum, minimum and maximum of a list of numbers.
  18. Ratio / proportion calculatorSolve a : b = c : x for x — handy for recipes, maps and scaling.
  19. Fraction calculatorAdd, subtract, multiply and divide fractions, with the simplified result.
  20. Power and square root calculatorxⁿ, square root, cube root and the n-th root of a number.
  21. GCD and LCM calculatorGreatest common divisor and least common multiple of several numbers.
  22. Area calculatorArea of a rectangle, triangle or circle, with the result in square meters and pyeong.
  23. Grade percentage calculatorTurn a score out of a total into a percentage and a 100-point score.
  24. Rounding calculatorRound, round up or round down to any number of decimal places.

Lists are gathered automatically from each Rising site and may lag a few hours behind it. Click any item to see the details on the original site.