A full set of calculators for everyday numbers, planning, and quick decisions. From budgeting and conversions to health and math, everything is designed to give clear results instantly.
See your BMI, ideal weight range, and body fat estimate in one place.
Do complex math with parentheses, roots, and memory.
Find your exact age in years, months, days, and more.
Convert between degrees, radians, and gradians instantly.
Find the area and perimeter of rectangles, circles, and triangles.
Estimate your body fat percentage using simple measurements.
Convert between bytes, kilobytes, megabytes, gigabytes, and terabytes instantly.
Perform basic math operations instantly.
Estimate calories burned for different activities.
Calculate the ideal coffee and water amounts for any brew method.
Find the exact time between two dates in years, months, and days.
Calculate discounts by percentage or fixed amount — sleek and accurate.
Convert between Joules, calories, watt-hours, and more.
Calculate the factorial of any number instantly.
Estimate ovulation, fertile days, and upcoming cycles with optional temperature, mucus, and OPK logs.
Estimate how much flooring you need in square meters or square feet including a waste allowance.
Convert between Newtons, Pascals, bars, psi, and more instantly.
Calculate your ideal hourly freelance rate based on income goals and working hours.
Convert your hourly rate into yearly, monthly, weekly and daily earnings.
Calculate kinetic energy from mass and velocity, or solve for missing values.
Convert between cups, grams, ounces, teaspoons, temperatures and more.
Convert between kilojoules (kJ) and calories (kcal) instantly.
Estimate fertilizer amounts based on lawn size, N target, and product NPK.
Calculate loan payments, interest, and total cost.
Calculate daily calories, protein, carbs, and fat.
Perform basic matrix operations instantly.
Estimate how much paint you need for walls and ceilings using American or Metric units.
Find out percentages, percent change, and comparisons.
Find permutations and combinations instantly.
Calculate event probability quickly and accurately.
Calculate Return on Investment (ROI) instantly.
Convert between pace, distance, and total running time.
Advanced math calculator with trigonometry and powers.
Convert numbers to and from scientific notation instantly.
Calculate area, perimeter, and dimensions for common shapes.
Find the slope, intercept, and equation of a line from two points.
Convert between m/s, km/h, mph, knots, and ft/s instantly.
Convert steps into distance in kilometers and miles, with an average or custom step length.
Convert between Celsius, Fahrenheit, Kelvin, and Rankine.
Estimate tiles, waste, and boxes for one or more rooms with pattern and grout options.
Calculate tips and split bills easily.
Convert between Newton-meters, pound-feet, and more.
Convert length and weight values quickly.
Calculate compound interest and investment growth.
Calculate how long it takes to pay off a loan.
Calculate monthly mortgage payments easily.
