Tuitility — Free Online Calculators, Converters, and Utility Tools
92+ free browser-based tools. No sign-up or install required.
Tool Categories
- Utility Tools — File converters, generators, downloaders, and day-to-day digital tools.
- Math Tools — Arithmetic, algebra, calculus, fractions, percentages, and number tools.
- Finance Tools — Loans, mortgages, taxes, budgeting, investing, and money planning calculators.
- Health Tools — BMI, calorie, hydration, body composition, and wellness calculators.
- Science Tools — Physics, electrical, and chemistry calculators for study and problem solving.
- Knowledge Tools — Assessment, education, productivity, and personal development tools.
All Free Tools
- Fraction Calculator — Add, subtract, multiply and divide fractions
- Percentage Calculator — Calculate percentages quickly and easily
- Decimal to Fraction — Convert decimals to fractions instantly
- LCM Calculator — Find least common multiple
- Binary Calculator — Convert and calculate binary numbers
- LCD Calculator — Find lowest common denominator
- Compare Fractions — Compare multiple fractions
- Decimal Calculator — Perform decimal arithmetic operations
- Compare Decimals — Compare multiple decimals
- Fraction to Percent — Convert fractions to percentages
- Improper to Mixed — Convert improper fractions to mixed numbers
- Percent to Fraction — Convert percentages to fractions
- SSE Calculator — Calculate sum of squares of errors
- Derivative Calculator — Calculate derivatives of functions
- Integral Calculator — Calculate definite and indefinite integrals
- Mortgage Calculator — Calculate monthly mortgage payments with taxes, insurance, PMI
- Amortization Calculator — Calculate amortization schedules, monthly payments, and total interest
- Loan Calculator — Calculate loan payments with down payment and fees
- Currency Calculator — Convert between 170+ world currencies with real-time rates
- House Affordability Calculator — Calculate how much house you can afford
- Compound Interest Calculator — Calculate investment growth with compound interest
- ROI Calculator — Calculate return on investment and annualized returns
- Business Loan Calculator — Calculate business loan payments
- Credit Card Calculator — Calculate credit card payments, interest, and payoff time
- Investment Calculator — Calculate investment growth, compound returns, and future value
- Tax Calculator — Calculate federal and state income taxes, deductions, and credits
- Retirement Calculator — Calculate retirement savings goals and future income
- Sales Tax Calculator — Calculate sales tax, subtotal, and total amount
- Debt Payoff Calculator — Calculate debt payoff time, total interest, and payment strategies
- Insurance Calculator — Calculate insurance premiums and coverage costs
- Budget Calculator — Create and manage personal budgets with the 50-30-20 rule
- Rental Property Calculator — Calculate rental property ROI, cash flow, and investment returns
- Debt Income Calculator — Calculate your debt-to-income ratio
- Down Payment Calculator — Calculate down payment amount and loan amount
- Present Value Calculator — Calculate the present value of future cash flows
- Future Value Calculator — Calculate the future value of investments
- Wave Speed Calculator — Calculate wave speed, frequency, and wavelength
- Gravity Calculator — Calculate gravitational force and acceleration
- Work Power Calculator — Calculate work, power, and energy
- DBm Watts Calculator — Convert between dBm and watts
- DBm Milliwatts Calculator — Convert between dBm and milliwatts
- Capacitance Calculator — Calculate electrical capacitance
- Electric Flux Calculator — Calculate electric flux through surfaces
- Atomic Mass Calculator — Calculate average atomic mass
- BMI Calculator — Calculate your body mass index
- Calorie Calculator — Calculate daily calorie needs
- Calorie Burn Calculator — Estimate calories burned from exercise
- Water Intake Calculator — Calculate daily water requirements
- Weight Loss Calculator — Plan your weight loss journey
- Weight Gain Calculator — Plan your weight gain journey
- Body Fat Calculator — Calculate body fat percentage
- Ideal Weight Calculator — Find your ideal body weight
- Diabetes Risk Calculator — Assess your diabetes risk
- DRI Calculator — Calculate your dietary reference intake
- BRI Calculator — Calculate your body roundness index
- Image to WebP Converter — Convert images to WebP format
- Word Counter — Count words, characters, sentences, and paragraphs
- Password Generator — Create secure passwords
- QR Code Generator — Create professional QR codes
- OCR PDF Generator — Extract text from PDF documents
- Gen Z Translator — Translate modern slang and expressions
- RGB to HEX — Convert RGB color values to hexadecimal
- Text Case Converter — Change text case formats
- PDF to Image Converter — Convert PDF pages to images
- PDF Merger — Combine multiple PDF files into one
- PDF Splitter — Split PDF files into multiple pages
- Delete PDF Pages — Remove unwanted pages from PDF files
- Organize PDF Pages — Organize PDF pages in a specific order
- Morse Code Translator — Convert text to Morse code and decode
- HTML to Markdown — Convert HTML markup to Markdown
- English to IPA — Convert text to phonetic notation
- Audio Bitrate Converter — Convert audio between different bitrates
- Instagram Reels Downloader — Download Instagram Reels videos
- TikTok Downloader — Download TikTok videos
- QR Code Scanner — Scan and decode QR codes
- Aspect Ratio Converter — Calculate and convert aspect ratios
- Color Blindness Simulator — Simulate color vision deficiencies
- RGB to Pantone — Convert RGB to Pantone colors
- Gold Weight Converter — Convert precious metal weights
- GPA Calculator — Calculate your grade point average
- Age Calculator — Calculate age in years, months, days
- WPM Calculator — Test your typing speed
- Habit Formation Calculator — Calculate your habit formation timeline
- Language Level Calculator — Assess your language proficiency level
- Fuel Calculator — Calculate fuel consumption and cost
- Average Time Calculator — Calculate average time across multiple entries
- Career Assessment Calculator — Assess career strengths and direction
- Trauma Assessment Calculator — Self-assessment for trauma awareness
- Anxiety Assessment Calculator — Self-assessment for anxiety awareness
- MBTI Personality — Discover your MBTI personality type
- Carbon Footprint — Calculate your environmental carbon impact
- Zakat Calculator — Calculate Islamic charity (Zakat) amount