Free Calculators Online
Use 26 free calculators online — from everyday maths to loans, health and tax. Fast, accurate and 100% free, with no signup needed.
🧮Basic CalculatorAdd, subtract, multiply and divide in seconds.Use Tool →
🔬Scientific CalculatorAdvanced maths with trig, logs and powers.Use Tool →
%Percentage CalculatorWork out percentages, increases and discounts fast.Use Tool →
🎂Age CalculatorFind your exact age in years, months and days.Use Tool →
⚖️BMI CalculatorCheck your body mass index and healthy range.Use Tool →
💪BMR CalculatorWork out how many calories your body burns at rest.Use Tool →
🔥Calorie CalculatorFind your daily calorie needs for your goal.Use Tool →
💰Loan CalculatorPlan a loan with payments and total interest.Use Tool →
🏦EMI CalculatorWork out your monthly loan instalment (EMI).Use Tool →
🏠Mortgage CalculatorEstimate your monthly mortgage payment.Use Tool →
📈Compound Interest CalculatorSee how your savings grow with compound interest.Use Tool →
💲Simple Interest CalculatorWork out simple interest on any amount.Use Tool →
🏷️Discount CalculatorWork out sale prices and your savings.Use Tool →
💵Tip CalculatorSplit a bill and work out the tip in seconds.Use Tool →
🧾GST and VAT CalculatorAdd or remove GST and VAT from any price.Use Tool →
⛽Fuel Cost CalculatorWork out fuel cost and mileage for a trip.Use Tool →
📅Date Difference CalculatorCount the days between any two dates.Use Tool →
🎓Grade and GPA CalculatorWork out your grades and GPA in one place.Use Tool →
➗Average CalculatorFind the average of any set of numbers.Use Tool →
🍕Fraction CalculatorAdd, subtract and simplify fractions easily.Use Tool →
🔢Ratio CalculatorSimplify ratios and find missing values.Use Tool →
💹Profit Margin CalculatorWork out profit margin and markup fast.Use Tool →
🎯ROI CalculatorMeasure the return on any investment.Use Tool →
🏖️Retirement CalculatorPlan your retirement savings and income.Use Tool →
💧Water Intake CalculatorFind how much water you should drink daily.Use Tool →
💼Salary and Tax CalculatorWork out your take-home pay after tax.Use Tool →