Calculators

➗ Percentage Calculator Free Work out percentages, increases and differences. ⚖️ BMI Calculator Free Calculate your Body Mass Index in metric or imperial. 🎂 Age Calculator Free Find an exact age in years, months and days. 🏦 Loan / EMI Calculator Free Estimate monthly loan payments and total interest. 🧾 Tip Calculator Free Split the bill and work out the tip per person. 📏 Unit Converter Free Convert length, weight, temperature and more. 🏷️ Discount Calculator Free Work out sale prices and how much you save. 🎲 Random Number Generator Free Generate random numbers in any range. 🏛️ Roman Numeral Converter Free Convert numbers to Roman numerals and back. 🔥 BMR & Calorie Calculator Free Estimate your daily calorie needs (BMR & TDEE). 📈 Compound Interest Calculator Free See how savings grow with compound interest. 🎓 GPA Calculator Free Calculate your grade point average from courses. ⏲️ Time Duration Calculator Free Find the hours and minutes between two times. ➗ Ratio Calculator Free Simplify ratios and solve for a missing value. ➗ Average Calculator Free Find the mean, median, mode and range. 📉 Standard Deviation Free Calculate variance and standard deviation. 🔢 Prime Number Checker Free Check if a number is prime and factor it. 🧮 GCD & LCM Calculator Free Find the greatest common divisor and LCM. ❗ Factorial Calculator Free Compute factorials of large numbers. 📐 Quadratic Solver Free Solve ax²+bx+c and show the steps. ½ Fraction Calculator Free Add, subtract, multiply and divide fractions. 🔟 Fraction ↔ Decimal Free Convert between fractions and decimals. 🔬 Scientific Notation Free Convert numbers to and from scientific notation. 📐 Right Triangle Calculator Free Solve right triangles with the Pythagorean theorem. 🏠 Mortgage Calculator Free Estimate mortgage payments with tax and insurance. 🧾 VAT Calculator Free Add or remove VAT / GST from a price. 📈 Margin & Markup Free Work out profit margin and markup. 💹 ROI Calculator Free Calculate return on investment. 🎯 Savings Goal Calculator Free See how long to reach a savings goal. 💵 Hourly ↔ Salary Free Convert an hourly wage to a yearly salary. ⚖️ Break-Even Calculator Free Find the units you must sell to break even. 🧾 Sales Tax Calculator Free Add sales tax to any price. 🏖️ Retirement Calculator Free Project your retirement savings growth. 📅 Days Since / Until Free Count the days since or until any date. 🍳 Cooking Converter Free Convert cups, grams, ounces and more. 📈 Slope Calculator Free Find the slope and equation from two points. 📍 Midpoint Calculator Free Find the midpoint between two points. ⭕ Circle Calculator Free Area, circumference and diameter from any one value. 📐 Area Calculator Free Area of rectangles, triangles, circles and trapezoids. 🧊 Volume Calculator Free Volume of cubes, spheres, cylinders and cones. 🔺 Exponent Calculator Free Raise any base to any power. 🪵 Logarithm Calculator Free Compute logs in any base. √ Root Calculator Free Square roots, cube roots and nth roots. ➗ Modulo Calculator Free Find the remainder of a division. 🎯 Significant Figures Free Round numbers to significant figures. ⚠️ Percent Error Calculator Free Compare measured vs actual values. 🎲 Probability Calculator Free Single and multiple event probability. 🔀 nCr & nPr Calculator Free Combinations and permutations. 📊 Z-Score Calculator Free Standard scores from mean and deviation. 💻 Binary Calculator Free Add, subtract and multiply binary numbers. 🔡 Hex Calculator Free Arithmetic on hexadecimal numbers. 🏦 APR ↔ APY Converter Free Convert between nominal and effective rates. 📏 Distance Between Points Free Distance between two coordinates. ⚖️ Weighted Average Free Average values with different weights. 🏠 Rent Split Calculator Free Split rent fairly by room or income. ⏰ Overtime Pay Calculator Free Work out time-and-a-half and double time. 📈 Pay Raise Calculator Free See what a raise means per paycheck. 💼 Freelance Rate Calculator Free Set your hourly rate from a target income. 📉 Stock Average Calculator Free Average share cost across multiple buys. 💰 Dividend Calculator Free Dividend income from yield and holdings. 🏦 Net Worth Calculator Free Total assets minus liabilities. 💳 Debt Payoff Calculator Free Plan how fast you can clear a debt. 💸 Credit Card Interest Free What carrying a balance really costs. ⛽ Fuel Cost Calculator Free Trip fuel cost from distance and MPG. ⚡ Electricity Cost Calculator Free What any appliance costs to run. ⬇️ Download Time Calculator Free How long a file takes at your speed. 🖥️ Screen PPI Calculator Free Pixel density from resolution and size. 🎞️ Video File Size Estimator Free Estimate video size from bitrate and length. 📅 Week Number Finder Free What week of the year is any date. 📆 Leap Year Checker Free Check if any year is a leap year. ➕ Date Add & Subtract Free Add or subtract days from a date. 📅 Day of Week Finder Free What day of the week was any date.