Useful Tools
Age Calculator
Calculate your exact age in years, months, and days with birthday countdown and life stage based on your date of birth.
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Date Difference Calculator
Calculate age gap or date difference in years, months, days, and total time.
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QR Code Generator
Generate free QR codes for URLs, text, links, payments, and more with logo and Color Customization . Download high-quality PNG QR codes instantly.
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Competitive Exam Score Simulator
Calculate your real exam score with negative marking and explore strategies to maximize performance.
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Work & Break Time Calculator – Calculate Break Time and Actual Work Time
Calculate total break time and actual work time based on shift schedule.
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Time Duration Calculator Between Two Dates and Times
Calculate the exact duration between two dates and times in days, hours, and minutes. Supports same-day and multi-day intervals.
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Ball Spin Probability Simulator
Watch probability play out visually. Enter win chance + number of spins and see real outcomes vs expected odds.
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Online Dice Roller & Fairness Experiment
Virtual dice roller to roll any dice (d6, d20, d100…) and observe how randomness produces real frequency distributions over time. Instantly roll a virtual dice online for games, decisions, or probability experiments.
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Amount Counting Time Simulator
Estimate how long will it take to count all numbers of an amount in thousand, million, billion or trillion at your chosen speed.
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Random Wheel Spin Simulator
Spin a customizable random wheel to make decisions, run fair selections, or explore probability in action. Add your own options and watch the wheel choose randomly while tracking real statistics.
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Strategy Simulator (Prisoner's Dilemma)
An interactive education simulator based on the Prisoner’s Dilemma. Compare AI strategies, run repeated game experiments, and observe how cooperation and competition evolve over time.
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Free BMI Calculator for Adults
Calculate BMI and health category.
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Free Body Fat Calculator
Estimate your body fat percentage using the US Navy formula.
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Free Calorie Calculator with Macros
Calculate daily calorie needs and macro targets for protein, fat, and carbs based on your goal and activity.
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Sleep Calculator
Find the best times to sleep or wake up using sleep cycles.
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Water Intake Calculator
Calculate daily water intake based on your weight and activity level.
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Running Pace Calculator
Calculate running pace, speed, and estimated finish time.
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Purchase Decision Simulator
Answer behavioral questions to classify a purchase as a need or want before spending money.
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Big Purchase Timeline Calculator
Plan how long it takes to afford any financial goal.
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Date-Based Savings Goal Calculator
Calculate how much you need to save per day, week, or month to reach any financial goal before a chosen date.
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Job Loss Survival Calculator
Estimate how long your savings will last if income stops.
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FMS Free Loan EMI Calculator India
Calculate EMI, total interest, and repayment duration.
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