Free calculators.
EMI Calculator
Calculate Equated Monthly Installment for home or car loans.
ROI Calculator
Quickly determine the Return on Investment for any expense.
Compound Interest
See how your money grows over time with compounding returns.
Rule of 72
Estimate how long it will take to double your investment.
Loan Payoff
See how much faster you can pay off loans with extra payments.
Inflation Calculator
Calculate the true buying power of your money over time.
Currency Converter
Convert between world currencies with live exchange rates.
Crypto Profit
Determine potential profits or losses from crypto trading.
Retirement Savings
Estimate how much you need to save for a comfortable retirement.
Mortgage Payoff
See how extra payments can shorten your mortgage term.
Debt Snowball
Plan your debt payoff using the snowball method.
50/30/20 Budget
Automatically split your income into needs, wants, and savings.
Net Worth
Calculate your total net worth by balancing assets and liabilities.
Emergency Fund Planner
Calculate exactly how much cash you need for 3–12 months of living expenses.
Tax Refund Estimator
Estimate whether you can expect a refund or if you owe taxes this year.
Investment Fee Saver
See how management fees affect your long-term investment returns.
Calorie Deficit
Estimate daily calorie needs to lose, maintain, or gain weight safely.
BMI Calculator
Check your Body Mass Index based on height and weight.
Daily Water Intake
Calculate how much water you should drink daily based on weight.
Macro Calculator
Find your ideal daily protein, carb, and fat targets.
BMR Calculator
Calculate your Basal Metabolic Rate (calories burned at rest).
Due Date
Estimate your baby's due date based on your last cycle.
Sleep Cycle
Find the optimal times to go to bed or wake up feeling refreshed.
Target Heart Rate
Find your ideal heart rate zone for maximum fat burn.
Body Fat %
Estimate your body fat percentage using standard measurements.
Waist-to-Hip Ratio
Estimate your body shape risk category with a waist-to-hip ratio.
Running Pace Calculator
Convert finish time into pace per mile or kilometer.
Caffeine Crash
Find out when the coffee jitters will wear off and sleep can begin.
Blood Alcohol (BAC)
Estimate your Blood Alcohol Concentration.
GST Calculator
Calculate Goods and Services Tax added or removed from base price.
Freelance Rate Calculator
Find your target hourly rate based on desired income and working hours.
Profit Margin
Calculate gross profit margin based on cost and revenue.
Sales Tax
Add or reverse sales tax quickly on retail items.
Startup Runway
Calculate how many months your business can survive before running out of cash.
Break-Even Analysis
Find the point where your business revenue equals its costs.
Customer LTV
Calculate the Lifetime Value of your average customer.
Inventory Turnover
Measure how quickly your stock sells through in a given period.
Churn Rate Calculator
Track how many customers leave your business over time.
Markup Calculator
Easily find the selling price based on cost and desired markup.
PayPal Fee
Calculate exactly how much PayPal will deduct from a transaction.
Stripe Fee
Find out Stripe's exact cut for domestic and international payments.
CPM Calculator
Calculate the Cost Per Mille (thousand impressions) for ad campaigns.
Engagement Rate
Calculate engagement % for Instagram, TikTok, or Twitter.
Tip & Bill Splitter
Easily split restaurant bills and calculate generous tips.
Discount Calculator
Find out exactly how much you save during a sale.
Salary to Hourly
Convert your annual salary to an equivalent hourly wage.
Age Calculator
Calculate precise age in years, months, and days.
Days Between
Find out exactly how many days are between two dates.
Time Zone Converter
Convert times easily across different global time zones.
Unit Converter
Convert length, weight, temperature, and volume instantly.
Grocery Price Compare
Find the best value between two grocery prices before you buy.
Subscription Savings
Compare annual and monthly subscription plans to see your savings.
Leap Year Checker
Quickly find out if any given year is a leap year.
Pizza Value
Find the better deal per square inch between two pizzas.
Microwave Converter
Fix instructions meant for a different microwave wattage.
Cost Per Wear
Justify expensive clothing purchases using girl math.
Reading Planner
Find out how many pages a day you need to read.
Lease vs. Buy Car
Compare the financial costs of leasing versus buying a vehicle.
Fuel Cost
Calculate the cost of fuel for a road trip or commute.
0-60 Time Estimator
Estimate a car's 0-60 mph time based on weight and horsepower.
Horsepower to kW
Convert engine power between Horsepower and Kilowatts.
Tire Size Comparison
Compare tire dimensions and find speedometer differences.
EV Charging Time
Calculate how long it takes to charge an Electric Vehicle.
Percentage Calculator
Calculate X% of Y, or what percentage X is of Y.
Aspect Ratio
Calculate dimensions based on a specific aspect ratio.
Fraction to Decimal
Quickly convert any fraction into a precise decimal number.
Square Root
Find the square root or perfect squares for any number.
Scientific Calculator
Advanced mathematical functions, trigonometry, and logarithms.
Area Calculator
Calculate the area for circles, triangles, rectangles, and polygons.
Volume Calculator
Find the cubic volume of spheres, cylinders, and boxes.
GCD & LCM
Find the Greatest Common Divisor and Least Common Multiple.
Prime Checker
Verify if a given number is prime or composite.
Fibonacci Sequence
Generate and find numbers in the Fibonacci sequence.
Pomodoro Timer
Use the 25/5 minute work/break cycle to boost productivity.
Word Counter
Count words, characters, and reading time for any text block.
Time Duration
Calculate the exact hours and minutes between two times.
Random Number
Generate secure random numbers between a custom range.
Password Generator
Quickly create secure, random passwords.
Case Converter
Easily convert text between upper, lower, and title cases.
Color Converter
Convert color codes between HEX, RGB, and HSL formats.
Lorem Ipsum Generator
Generate dummy text for your wireframes and mockups.
JSON Formatter
Beautify, validate, and format your JSON data instantly.
Base64 Encode/Decode
Convert text or files to and from Base64 format.
Hash Generator
Generate MD5, SHA-1, or SHA-256 hashes from any text.
UUID Generator
Generate bulk version 4 UUIDs for your database needs.
QR Code Generator
Create dynamic QR codes for URLs, text, and contact info.
Online Stopwatch
A precise digital stopwatch with lap and split times.
Text Diff Checker
Compare two blocks of text and highlight the differences.
Regex Tester
Test and validate your Regular Expressions securely in the browser.
Download Time
Estimate how long a large file will take to download.
WPM Calculator
Calculate your true Typing Words Per Minute.
Dog Age Calculator
Convert your dog's age to human years accurately based on breed size.
Cat Years Converter
Find out exactly how old your feline overlord is.
Zodiac Sign
Find out your astrological zodiac sign based on your birthday.
Love Calculator
A fun tool to calculate the compatibility between two names.
Binge-Watch Time
Calculate how much time you need to binge a whole TV show.
Alien Age
Discover your age in different parts of the solar system.
Birthday Paradox
Find the odds that two people share a birthday in a group.
Movie Marathon
Plan a binge-watch session with runtime and break time built in.
Emoji Translator
Turn plain text into emoji-friendly messages instantly.
Mocking Case
cOnVeRt TeXt To MoCkInG cAsE.
Lottery Dream Crusher
Calculate your exact odds of winning the jackpot.