All Calculators
21 free Calculators — sorted by popularity
Days Until Calculator
Live countdown to any event — Eid, Christmas, birthdays, exams, holidays, Ramadan. Add multiple events and watch the days, hours, minutes, and seconds tick in real time.
Loan EMI Calculator
Calculate your EMI for any home loan, car loan, or personal loan. See total interest, full amortisation schedule, and how extra payments can save you thousands.
Cosmic Age Calculator
Discover your age in cosmic units — on every planet in the solar system, in light-years, and as a fraction of the universe's 13.8 billion year history.
Phone Life Thief Calculator
Calculate exactly how many days, weeks, and years of your life you have lost and will lose to your phone screen — based on your daily screen time.
Electricity Bill Calculator
Find out exactly how much each appliance costs you per day, month, and year. Finally understand your electricity bill.
Exact Age Calculator
Your precise age in years, months, weeks, days, hours, minutes, and live seconds. Includes zodiac sign, Chinese zodiac, generation label, life stats, and next birthday countdown.
Deadline Countdown Timer
A live countdown timer for any deadline — exams, project submissions, work presentations, personal goals. Set multiple deadlines and watch the clock tick in days, hours, minutes, and seconds.
Sleep Calculator
Calculate the best time to sleep or wake up based on 90-minute sleep cycles. Never wake up groggy again.
Today's Meal Timing Calculator
Get your personalised eating schedule based on your wake time and health goal. Science-backed circadian nutrition — the what matters far less than the when.
Life Progress Bar
See your entire life visualised as a grid of weeks. Every filled box is a week you have lived. Every empty box is a week still ahead of you. The most thought-provoking tool you will use today.
Real Hourly Wage Calculator
Your salary looks good on paper. But after commute time, work prep, decompression, and job-related expenses — what is your real hourly rate? The answer is always lower than you think.
Daily Hydration Schedule
Get a personalised hourly drinking schedule based on your weight, wake time, and activity level. Stop guessing about hydration. Get a science-backed hourly plan for today.
Burnout Risk Calculator
Answer 10 science-backed questions about your work, sleep, and stress to get your burnout risk score and a personalised recovery plan.
Binary ↔ Decimal Converter
Easily convert numbers between binary (base 2) and decimal (base 10) systems. Perfect for programmers, students, and anyone learning how computers work.
Binary ↔ Hexadecimal Converter
Easily convert numbers between binary (base 2) and hexadecimal (base 16) systems. Essential for programmers, web developers, and computer science students.
Binary ↔ Octal Converter
Easily convert numbers between binary (base 2) and octal (base 8) systems. Useful for computing and digital electronics.
Decimal ↔ Hexadecimal Converter
Easily convert numbers between decimal (base 10) and hexadecimal (base 16) systems. Essential for web developers working with colour codes and programmers debugging memory addresses.
Decimal ↔ Octal Converter
Easily convert numbers between decimal (base 10) and octal (base 8) systems. Useful for understanding Unix/Linux file permissions and legacy computing systems.
Hexadecimal ↔ Octal Converter
Easily convert numbers between hexadecimal (base 16) and octal (base 8) systems. Useful for low-level programming, computing systems, and when working with different number representations.
Tip Calculator
Calculate the perfect tip amount and split it between any number of people — equally or by individual order. Supports 8 currencies, custom tip percentages, and a country-by-country tipping guide.
What If I Invested Calculator
See exactly how much money you would have today if you had invested your daily, weekly, or monthly spending — on coffee, subscriptions, eating out, or any habit — instead of spending it.
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