Instant answers for health, finance, and everyday math. No sign-up. No ads. Just calculators that work.
Calculate your Body Mass Index using metric or imperial units. Instantly see your weight category.
Find your daily calorie needs using the Mifflin-St Jeor formula. Includes BMR and TDEE.
Estimate body fat percentage with the US Navy method — just a tape measure needed.
Calculate your pregnancy due date from LMP, conception date, or IVF transfer date.
Find your fertile window and ovulation date based on your cycle length.
Estimate your monthly mortgage payment. Enter home price, down payment, rate, and term.
Find your monthly EMI for any loan — personal, auto, education, or business.
See how your money grows with compound interest. Compare daily, monthly, and annual compounding.
Plan your retirement savings. See your nest egg at retirement with inflation adjustment.
Convert any salary between hourly, daily, weekly, monthly, and annual rates.
Calculate tax amount, take-home pay, and effective rate. Works for any country.
Calculate sale prices after discounts or find the percentage off any item.
Calculate tip amount and split the bill between any number of people.
Full scientific calculator with sin, cos, tan, log, ln, √, powers, π, and e.
Three modes: find X% of Y, what % one number is of another, and percentage change.
Convert length, weight, temperature, volume, area, and speed between any units.
Calculate days between two dates, or add and subtract days from any date.
Find your exact age in years, months, and days. See total days lived and next birthday countdown.
Calculate your GPA on a 4.0 scale. Add courses, grades, and credit hours.
Calculate your current grade from assignments, or find what you need on your final exam.
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