All calculators

Loan / EMI Calculator Monthly payment, total interest and a full amortisation schedule. Compound Interest & SIP Calculator Growth of a lump sum plus regular monthly investments, year by year. Discount Calculator Sale price, money saved, and what a stacked or "buy 2 get 1" deal really costs. GST / Sales Tax Calculator Add or remove GST, VAT or sales tax at any rate, with the split shown. Tip Calculator Tip amount, total bill and the split per person. Salary & Hourly Rate Calculator Convert pay between hourly, daily, weekly, monthly and yearly. Fuel Cost Calculator Fuel needed and what a trip costs, in mpg, km/L or L/100km. Mortgage Calculator Full monthly payment with tax, insurance and deposit. Retirement Calculator What your pot reaches, and how long it lasts in retirement. Take-Home Pay Calculator Salary after income tax and social contributions, by country. Sales Tax Calculator Add sales tax to a price, or find the pre-tax price from a total. Simple Interest Calculator Interest on the original amount only — no compounding. Net Worth Calculator Total assets minus total liabilities, with the split shown. Debt Payoff Calculator Snowball or avalanche — months to debt-free and interest saved. Credit Card Payoff Calculator Months and interest to clear a card — fixed payment or minimums only. Rent vs Buy Calculator Total cost of renting vs buying over the years you plan to stay. Home Affordability Calculator How much house you can afford, from income, debts and down payment. Break-Even Point Calculator Units and revenue needed to cover your fixed costs. Inflation Calculator What an amount is worth after inflation, forward or backward. Savings Goal Calculator Monthly saving needed to hit a target amount by a date. Extra Payment Loan Calculator Time and interest saved by paying extra on an existing loan.

Percentage Calculator Find a percentage of a number, or the percentage change between two numbers. Unit Converter Length, weight, temperature, volume, area and speed in one tool. Scientific Calculator Full expression calculator with trig, logs, powers and roots. Average & Statistics Calculator Mean, median, mode, range and standard deviation from a list. Fraction Calculator Add, subtract, multiply and divide fractions, simplified. GPA Calculator Weighted GPA from your courses, with percentage and CGPA. Grade Calculator Your weighted course grade, and what the final exam needs. Triangle Calculator Solve a triangle from three sides or two sides and an angle. Ratio Calculator Simplify a ratio, or solve a proportion for a missing value. Quadratic Equation Calculator Roots, discriminant and vertex of ax² + bx + c = 0. GCF & LCM Calculator Greatest common factor, least common multiple and prime factors. Number Base Converter Binary, decimal, octal and hexadecimal, all at once. Slope & Distance Calculator Slope, distance and midpoint between two coordinate points. Probability Calculator Probability as a fraction, percent and odds — plus nPr and nCr.

BMI Calculator Body mass index in metric or imperial, with your healthy weight range. Calorie & TDEE Calculator Daily calories to maintain, lose or gain weight, from your BMR. Ovulation Calculator Fertile window and ovulation day from your last period. Pregnancy Due Date Calculator Due date and how far along you are, from your last period. Body Fat Calculator Body fat percentage from tape measurements, plus lean mass. Ideal Weight Calculator Ideal body weight from four medical formulas, by height and sex. Waist-to-Hip Ratio Calculator Waist-to-hip ratio with the WHO health risk category. Macro Calculator Protein, carb and fat grams from a daily calorie target. Water Intake Calculator Daily water target from your body weight, activity and climate. Heart Rate Zone Calculator Max heart rate and training zones from your age. One-Rep Max Calculator Estimated one-rep max from a weight and reps, plus a rep-percent table.

Square Footage & Area Calculator Room or plot area in any unit, with a material cost estimate. Concrete Calculator Concrete volume in yards or metres, plus bags and cost. Paint Calculator Gallons or litres of paint needed for a wall area, plus cost. Mulch, Soil & Gravel Calculator Cubic yards of mulch, soil or gravel for a bed, plus bags needed. Tile Calculator Tiles and boxes needed for a floor or wall, with wastage. Roofing & Shingles Calculator Roofing squares and shingle bundles from your footprint and pitch.

Age Calculator Your exact age in years, months, days — plus your next birthday countdown. Date Difference Calculator Days between two dates, with or without weekends — plus add or subtract days. Time Duration Calculator Hours and minutes between two times, minus breaks. Countdown Calculator Days, hours and minutes until a future date or event. Week Number Calculator ISO week number for a date, or the date range for a week number. Time Zone Converter Convert a date and time between two time zones, DST included. Leap Year Calculator Check if a year is a leap year, or list leap years in a range. Day of the Week Calculator What day of the week any date falls or fell on.