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Financial, academic, health, and math calculators that run entirely in your browser. No account, no cloud, no telemetry — just instant answers.

76Total Tools

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🧮 General & Math15 tools

Percentage CalculatorFind what % one number is of another, or work out increases & decreases.→Average CalculatorCompute the mean of any set of numbers instantly.→Number System CalculatorConvert between binary, octal, decimal, and hexadecimal.→Ratio CalculatorSimplify ratios and solve for missing values in proportions.→Fraction CalculatorAdd, subtract, multiply, or divide fractions and mixed numbers.→Scientific CalculatorAdvanced math: trig, logs, powers, and more, all in-browser.→Triangle CalculatorSolve for sides, angles, area, and perimeter of any triangle.→Random Number GeneratorGenerate random integers or decimals within any range.→Standard Deviation CalculatorCalculate mean, variance, and SD for any dataset.→Password GeneratorCreate strong, customisable random passwords instantly.→GCD & LCM CalculatorFind the greatest common divisor and least common multiple.→Quadratic SolverSolve ax² + bx + c = 0 and get real and complex roots.→Scientific Notation ConverterConvert numbers to and from scientific (exponential) notation.→Prime Number CheckerInstantly check whether any number is prime or composite.→Factorial CalculatorCalculate n! for any non-negative integer in milliseconds.→

💰 Finance & Money21 tools

EMI CalculatorCalculate your monthly EMI for home, car, or personal loans.→Currency ConverterConvert between global currencies using live exchange rates.→Retirement CalculatorEstimate the corpus you need and how long your savings will last.→Rent vs Buy CalculatorCompare the true long-term cost of renting versus buying a home.→Affordability CalculatorFind out how much house or loan you can realistically afford.→Expense TrackerLog and categorise your daily expenses for better budgeting.→Compound Interest CalculatorSee how your money grows with compounding over time.→SIP CalculatorProject the future value of your monthly SIP investments.→FD CalculatorCalculate maturity amount for fixed deposit at any interest rate.→RD CalculatorFind the maturity value of your recurring deposit savings.→Credit Card Interest CalculatorUnderstand the real cost of carrying a credit card balance.→GST CalculatorAdd or remove GST from any amount across all tax slabs.→Income Tax CalculatorEstimate your annual income tax liability under old or new regime.→CTC to In-Hand Salary CalculatorBreak down CTC into take-home monthly pay after deductions.→Mortgage CalculatorCalculate monthly mortgage payments and total interest paid.→Investment CalculatorProject growth of a lump-sum or recurring investment over time.→Amortization CalculatorView the full loan repayment schedule month by month.→Margin CalculatorCalculate profit margin, markup, and selling price for any product.→Sales Tax CalculatorAdd or strip sales tax from any price for any tax rate.→Inflation CalculatorFind the future or past value of money adjusted for inflation.→Salary ConverterConvert annual salary to hourly, daily, weekly, or monthly pay.→

🏃 Health & Fitness12 tools

Calorie CalculatorFind your daily calorie needs based on age, weight, and activity.→Sleep CalculatorDetermine the best bedtime or wake-up time for full sleep cycles.→BMI CalculatorCalculate your Body Mass Index and understand your weight range.→Ideal Weight CalculatorFind your ideal body weight range using multiple popular formulas.→Body Fat CalculatorEstimate body fat percentage using measurements and skinfold data.→Pregnancy Due Date CalculatorCalculate your estimated due date from the last menstrual period.→Cardiovascular Intensity AuditorProfessional cardiac reserve auditing and metabolic threshold mapping.→Hydration Architecture AuditorProfessional cellular fluid auditing and metabolic solvent mapping.→Nitrogen Balance AuditorAnabolic signaling verification and nitrogen balance optimization.→Metabolic Architecture AuditorPrecision nutritional parity auditing and macro-nutrient split verification.→Kinetic Velocity AuditorHigh-fidelity cardiovascular velocity auditing and pace-interval mapping.→Biological Cycle AuditorPrecision reproductive cycle auditing and fertility window mapping.→

📅 Date & Time5 tools

Age CalculatorCalculate your exact age in years, months, days, and hours.→Time Duration CalculatorFind the exact difference between two times or timestamps.→Countdown CalculatorCount down days, hours, and minutes to any future event.→Hours CalculatorAdd or subtract work hours to calculate total time logged.→Date CalculatorAdd or subtract days, weeks, or months from any date.→

🎓 Education & Exams6 tools

GPA CalculatorConvert grades and credits into your semester or cumulative GPA.→CGPA CalculatorCalculate your cumulative grade point average across all semesters.→Attendance CalculatorFind your attendance percentage and classes needed to reach a target.→Grade Percentage CalculatorConvert between raw marks, percentage, and letter grades.→Exam Marks CalculatorCalculate total marks and percentage across multiple subjects.→Grade CalculatorDetermine the final grade needed on your last exam to hit your goal.→

🏠 Real Estate & Home5 tools

Rent vs Buy CalculatorCompare the true long-term cost of renting versus buying a home.→Affordability CalculatorFind out how much house or loan you can realistically afford.→Property Tax CalculatorEstimate annual property tax owed based on assessed value and rate.→Concrete CalculatorCalculate the volume of concrete needed for slabs, columns, or beams.→Flooring CalculatorEstimate the number of tiles or planks needed for any room area.→

🚗 Auto & Travel5 tools

Fuel Cost CalculatorEstimate the total fuel cost for any trip based on distance and mileage.→Mileage CalculatorCalculate your vehicle's fuel efficiency in km/l or mpg.→Toll CalculatorEstimate toll costs for road trips across major routes.→Travel Time CalculatorFind how long a journey takes given distance and average speed.→Auto Loan CalculatorCalculate monthly car loan payments and total interest cost.→

🔄 Conversion1 tools

Unit ConverterConvert between length, weight, temperature, area, volume, and more.→

✨ Life & Personal5 tools

Love CalculatorA fun compatibility check — find your love match score.→Life Expectancy CalculatorEstimate your life expectancy based on lifestyle and health inputs.→Zodiac Sign FinderEnter your birth date to discover your Western or Vedic zodiac sign.→Baby Name PickerBrowse and shortlist baby names by origin, meaning, or first letter.→Sleep CalculatorDetermine the best bedtime or wake-up time for full sleep cycles.→

76 Tools.Zero Uploads.

76 Tools.
Zero Uploads.