Everyday Calculators

Percentage, age, BMI, dates, units and more everyday maths.

X% of Y, percentage change, and what percent one number is of another.

Exact age in years, months and days, plus your next birthday.

Body Mass Index with healthy weight range for adults.

Daily calorie needs (BMR and TDEE) for your goal.

Days, weeks, months and working days between two dates.

Find the date a number of days, weeks or months from any date.

Length, weight, temperature, area, volume, speed, time and data.

Trigonometry, logarithms, powers and roots with keyboard support.

Split a bill between friends, with tip and tax.

Write numbers in words in Indian (lakh, crore) or international format.

Convert between numbers and Roman numerals.

Convert between binary, octal, decimal and hexadecimal.

Mean, median, mode, range and standard deviation of a list.

Convert a time between IST and cities around the world.

More free tools