Categories
Math
Percentages, fractions, averages, ratios, LCM and standard deviation, with the working shown for every answer.
7 calculators →
Financial
EMI, mortgage, SIP, FD, RD, interest, CAGR, GST, profit margin, discount and tip calculators. Each page lists the assumptions behind its numbers.
13 calculators →
Health
BMI, calorie needs, body fat, ideal weight and waist-to-height ratio, with healthy ranges and the limits of each measure explained.
5 calculators →
Time & Date
Exact age, days between dates, adding days to a date, time durations and weekly work hours. Leap years and overnight shifts are handled.
5 calculators →