Home / All tools A to Z
All free online tools, A to Z
634 tools in 27 categories. Pick a tool to open it; each page has the formula, a worked example and answers to common questions.
Australia
Brazil
Business Tools
- Absenteeism Rate Calculator
- Accounts Receivable Turnover Calculator
- Asset Turnover Ratio Calculator
- Average Cost per Unit Calculator
- Billable Utilization Calculator
- Break-Even Calculator
- Break-Even Sales Revenue Calculator
- Capacity Utilization Calculator
- Cash Conversion Cycle Calculator
- Client Acquisition Cost Calculator
- Contribution Margin Calculator
- Contribution Margin Ratio Calculator
- Current Ratio Calculator
- Customer Lifetime Value Calculator
- Days in Inventory Calculator
- Days Sales Outstanding Calculator
- Debt to Equity Ratio Calculator
- Employee Turnover Rate Calculator
- Gross Margin Calculator
- Gross Profit Calculator
- Gross to Net Margin Difference Calculator
- Hourly to Salary Calculator
- Inventory Turnover Calculator
- Labor Cost Percentage Calculator
- Margin to Markup Converter
- Markup Calculator
- Markup Percentage Calculator
- Markup to Margin Converter
- Net Profit Calculator
- Operating Margin Calculator
- Operating Profit Calculator
- Profit Margin Calculator
- Project Profitability Calculator
- Quick Ratio Calculator
- Revenue per Employee Calculator
- ROI Calculator
- Salary to Hourly Calculator
- Target Profit Sales Calculator
- Target Profit Units Calculator
- Unit Contribution Calculator
- Working Capital Calculator
Calculators
- Age Calculator
- Annual to Monthly Salary Calculator
- Biweekly to Annual Pay Calculator
- Concrete Calculator
- Discount Calculator
- Discounted Unit Price Calculator
- Electricity Cost Calculator
- Final Grade Calculator
- Flooring Calculator
- Fuel Cost Calculator
- Gas Mileage Calculator
- GPA Calculator
- Grade Calculator
- Hourly Overtime Pay Calculator
- Love Calculator
- MPG Calculator
- Mulch Calculator
- Paint Calculator
- Percentage Calculator
- Percentage Change Between Two Values
- Percentage Increase Calculator
- Percentage of Total Calculator
- Sales Tax Exclusive Price Calculator
- Sales Tax Inclusive Price Calculator
- Simple Interest Calculator
- Simple Interest Total Calculator
- Tip Calculator
- Tire Size Calculator
- Weekly to Annual Pay Calculator
Converters
- Acres to Hectares
- Acres to Square Feet
- Acres to Square Meters
- Amps to Watts
- Bar to Atmospheres
- Bar to Kilopascals
- Bar to PSI
- Bytes to Megabytes
- Calories to Kilojoules
- Celsius to Fahrenheit
- Celsius to Kelvin
- Centimeters to Feet
- Centimeters to Feet
- Centimeters to Inches
- Centimeters to Meters
- Centimeters to Millimeters
- Cubic Feet to Liters
- Cubic Inches to Milliliters
- Cubic Meters to Liters
- Cups to Fluid Ounces
- Cups to Milliliters
- Days to Hours
- Days to Weeks
- Days to Years
- Fahrenheit to Celsius
- Fahrenheit to Celsius Precise
- Fahrenheit to Kelvin
- Feet to Centimeters
- Feet to Inches
- Feet to Meters
- Feet to Yards
- Gigabytes to Megabytes
- Gigabytes to Terabytes
- Grams to Kilograms
- Grams to Milligrams
- Grams to Ounces
- Hectares to Acres
- Horsepower to Kilowatts
- Horsepower to Watts
- Hours to Days
- Hours to Minutes
- Inches to Centimeters
- Inches to Feet
- Inches to Millimeters
- Inches to Yards
- Joules to Calories
- Kelvin to Celsius
- Kelvin to Fahrenheit
- Kilobytes to Megabytes
- Kilograms to Grams
- Kilograms to Milligrams
- Kilograms to Pounds
- Kilograms to Stone
- Kilometers per Hour to Meters per Second
- Kilometers per Hour to Miles per Hour
- Kilometers to Feet
- Kilometers to Meters
- Kilometers to Miles
- Kilopascals to PSI
- Kilowatts to Horsepower
- Knots to Meters per Second
- Knots to Miles per Hour
- kWh to Watts
- Liters to Cubic Meters
- Liters to Milliliters
- Liters to US Cups
- Liters to US Gallons
- Megabytes to Gigabytes
- Megapascals to Bar
- Meters per Second to Miles per Hour
- Meters to Centimeters
- Meters to Feet
- Meters to Inches
- Meters to Kilometers
- Meters to Millimeters
- Meters to Yards
- Metric Tons to Kilograms
- Micrometers to Meters
- Micrometers to Millimeters
- Miles per Hour to Kilometers per Hour
- Miles per Hour to Meters per Second
- Miles to Feet
- Miles to Kilometers
- Miles to Meters
- Milligrams to Grams
- Milliliters to Fluid Ounces
- Milliliters to Liters
- Millimeters to Centimeters
- Millimeters to Feet
- Millimeters to Inches
- Minutes to Hours
- Months to Years
- Nanometers to Micrometers
- Nautical Miles to Kilometers
- Nautical Miles to Miles
- Ounces to Grams
- Ounces to Pounds
- Pascals to PSI
- Pints to Cups
- Pints to Milliliters
- Pounds to Grams
- Pounds to Kilograms
- Pounds to Ounces
- Pounds to Stone
- PSI to Bar
- Quarts to Liters
- Seconds to Minutes
- Square Feet to Square Meters
- Square Feet to Square Yards
- Square Inches to Square Centimeters
- Square Kilometers to Square Miles
- Square Meters to Square Feet
- Square Miles to Square Kilometers
- Square Yards to Square Meters
- Stone to Pounds
- Stones to Kilograms
- Tablespoons to Milliliters
- Teaspoons to Milliliters
- UK Gallons to Liters
- US Cups to Liters
- US Fluid Ounces to Milliliters
- US Gallons to Cubic Inches
- US Gallons to Liters
- Watts to Amps
- Watts to Mechanical Horsepower
- Weeks to Months
- Yards to Feet
- Yards to Meters
Date & Time
- Add Days to Date
- Add Hours to Time
- Add Minutes to Time
- Add Months to Date
- Add Years to Date
- Business Days Calculator
- Calendar Quarter Date Range
- Calendar Weeks Between Dates
- Countdown Timer
- Date Add or Subtract Calculator
- Date Difference Calculator
- Date to Unix Milliseconds
- Date Weekday Or Weekend Checker
- Day of Week Finder
- Day of Year Calculator
- Days Between Inclusive Calculator
- Days in Month Calculator
- Days in Year Calculator
- Fiscal Quarter Calculator
- Fiscal Year Finder
- ISO Date to Unix Timestamp
- Leap Year Checker
- Local Time to Utc Converter
- Month Name from Number
- Next Business Day Calculator
- Number of Weekdays in Year
- Previous Business Day Calculator
- Quarter of Year Finder
- Seconds Between Times
- Subtract Days from Date
- Subtract Minutes from Time
- Subtract Months from Date
- Time Card Calculator
- Time Duration Calculator
- Time Zone Converter
- Time Zone Offset Calculator
- Unix Milliseconds to Date
- Unix Timestamp Converter
- Unix Timestamp to ISO
- Utc to Local Time Converter
- Week Number Calculator
- Weekend Days Between Dates
- Weeks Between Dates Calculator
- Working Days per Month Calculator
Developer Tools
- ASCII to Text Converter
- Barcode Generator
- Base64 Encoder and Decoder
- Binary to Decimal Converter
- Binary to Hex Converter
- Binary to Text Converter
- CMYK to RGB Converter
- CSS Border Radius Generator
- CSS Box Shadow Generator
- CSS Color Extractor
- CSS Flexbox Generator
- CSS Formatter
- CSS Gradient Generator
- CSS Grid Generator
- CSS Minifier (Basic)
- CSV to JSON Converter
- Decimal to Binary Converter
- Decimal to Hex Converter
- Epoch Converter
- Hex to Binary Converter
- Hex to Decimal Converter
- Hex to HSL Converter
- Hex to RGB Converter
- HSL to Hex Converter
- HTML Entity Decoder
- HTML Entity Encoder and Decoder
- HTML Escape Tool
- HTML Formatter
- HTML Minifier Basic
- JavaScript Comment Remover
- JavaScript Formatter Basic
- JavaScript String Escape Helper
- JSON Array Flattener
- JSON Array to Lines
- JSON Formatter
- JSON Minifier
- JSON Nested Key Finder
- JSON Object Keys Extractor
- JSON Schema Shape Viewer
- JSON Sort Keys
- JSON String Escape Helper
- JSON to Csharp Class
- JSON to CSV Converter
- JSON to Go Struct
- JSON to Kotlin Data Class
- JSON to Python Dataclass
- JSON to Rust Struct
- JSON to TypeScript Interface
- JSON to TypeScript Type
- JSON to YAML Converter
- JSON Validator
- JSON Value Extractor
- JWT Decoder (No Signature Verification)
- Markdown to HTML Basic
- Password Generator
- QR Code Generator
- Regex Escape Helper
- Regex Tester
- RGB to CMYK Converter
- RGB to Hex Converter
- RGB to HSL Converter
- SQL Formatter Basic
- SQL in Clause Builder
- Text to Binary Converter
- URL Encoder and Decoder
- URL Query String Builder
- URL Query String Parser
- URL Slug Generator
- UUID Generator
- XML Escape Tool
- XML Formatter
Ecommerce
- Average Order Value Calculator
- Bulk Discount Calculator
- Bundle Pricing Calculator
- Cart Abandonment Rate Calculator
- Checkout Conversion Rate Calculator
- Days of Inventory On Hand Calculator
- Discounted Bundle Calculator
- Ecommerce Profit Calculator
- Economic Order Quantity Calculator
- Fulfillment Cost Calculator
- Gross Merchandise Value Calculator
- Inventory Reorder Point Calculator
- Marketplace Fee Calculator
- Net Sales Calculator
- Orders per Customer Calculator
- Payment Processing Fee Calculator
- Product Margin Calculator
- Product Return Rate Calculator
- Refund Rate Calculator
- Repeat Purchase Rate Calculator
- Retail Markup Calculator
- Safety Stock Calculator
- Sell Through Rate Calculator
- Selling Price Calculator
- Shipping Cost per Order Calculator
- Stockout Rate Calculator
- Subscription Churn Calculator
- Tiered Pricing Calculator
- Wholesale Discount Calculator
- Wholesale Price Calculator
Europe
Finance
- 401(k) Calculator
- Amortization Calculator
- Annual Expense Calculator
- Annual Percentage Yield Calculator
- Annuity Future Value Calculator
- Annuity Payment Calculator
- APR Calculator
- APY Calculator
- Auto Loan Calculator
- Bond Current Yield Calculator
- Cap Rate Calculator
- Capital Gains Estimator
- Car Loan Calculator
- Compound Interest Calculator
- Credit Card Interest Calculator
- Credit Card Payoff Calculator
- Credit Utilization Calculator
- Currency Spread Calculator
- Debt Avalanche Calculator
- Debt Snowball Calculator
- Debt-to-Income Ratio Calculator
- Depreciation Calculator
- Dividend Income Calculator
- Dividend Yield Calculator
- Emergency Fund Target Calculator
- EMI Calculator
- Extra Loan Payment Calculator
- Future Value Savings Calculator
- Inflation Adjusted Value Calculator
- Inflation Calculator
- Interest-Only Loan Payment Calculator
- Investment Allocation Calculator
- Loan Calculator
- Loan Payoff Time Calculator
- Loan Repayment Calculator
- Loan-to-Value Ratio Calculator
- Monthly Expense Ratio Calculator
- Mortgage Calculator
- Mortgage Down Payment Calculator
- Mortgage Points Calculator
- Net Worth Calculator
- Nominal to Effective Rate Calculator
- Paycheck Calculator
- Portfolio Weight Calculator
- Present Value Calculator
- Property Tax Calculator
- Real Rate of Return Calculator
- Rent Vs Buy Comparison Calculator
- Retirement Calculator
- Retirement Savings Gap Calculator
- Savings Goal Gap Calculator
- Savings Rate Calculator
- Simple Debt Payoff Planner
- Sinking Fund Calculator
Health Tools
Image Tools
India
Math Tools
- Average Calculator
- Circle Area Calculator
- Circle Circumference Calculator
- Coefficient of Variation Calculator
- Coin Flip
- Combination Calculator
- Cone Volume Calculator
- Correlation Coefficient Calculator
- Covariance Calculator
- Cube Root Calculator
- Cylinder Volume Calculator
- Decimal to Fraction Calculator
- Decimal to Percentage Calculator
- Dice Roller
- Distance Between Points Calculator
- Exponent Calculator
- Factorial Calculator
- Fraction Calculator
- Fraction Simplifier
- Fraction to Decimal Calculator
- Fraction to Percentage Calculator
- GCF Calculator
- Geometric Mean Calculator
- Harmonic Mean Calculator
- Interquartile Range Calculator
- LCM Calculator
- Linear Interpolation Calculator
- Log Calculator
- Mean Calculator
- Mean, Median and Mode Calculator
- Median Calculator
- Midpoint Calculator
- Mode Calculator
- Number to Words Converter
- Percent to Decimal
- Percentage Point Difference Calculator
- Percentile Rank Calculator
- Percentile Value Calculator
- Permutation Calculator
- Population Standard Deviation Calculator
- Population Variance Calculator
- Prime Factorization Calculator
- Prime Number Checker
- Probability Calculator
- Pythagorean Theorem Calculator
- Quadratic Formula Calculator
- Quartile Calculator
- Random Number Generator
- Range of Numbers Calculator
- Ratio as Percentage Calculator
- Ratio Calculator
- Ratio Simplifier
- Ratio Simplifier Advanced
- Rectangle Area Calculator
- Roman Numeral Converter
- Root Mean Square Calculator
- Sample Standard Deviation Calculator
- Sample Variance Calculator
- Scientific Notation Calculator
- Slope Calculator
- Speed Distance Time Calculator
- Sphere Volume Calculator
- Square Root Calculator
- Standard Error Calculator
- Trapezoid Area Calculator
- Triangle Area Calculator
- Weighted Average Score Calculator
- Z-Score Estimator
New Zealand
Oman
PDF Tools
Pakistan
Productivity
- Annual Leave Accrual Calculator
- Billable Hours Calculator
- Break Time Calculator
- Daily Routine Time Budget
- Daily to Monthly Pay Calculator
- Deadline Days Remaining Calculator
- Focus Time Calculator
- Hourly Rate from Salary Calculator
- Hourly to Daily Pay Calculator
- Leave Balance Calculator
- Meeting Cost Calculator
- Monthly Work Hours Calculator
- Notice Period Date Calculator
- Overtime Hours Calculator
- Pomodoro Session Planner
- Project Cost Estimator
- Project Duration Estimator
- Project Progress Percentage Calculator
- Reading Pages Time Estimator
- Resource Allocation Calculator
- Salary to Hourly Rate Calculator
- Shift Overlap Calculator
- Task Completion Rate Calculator
- Team Capacity Planner
- Team Meeting Cost Calculator
- Time Zone Meeting Planner
- Timesheet Decimal Converter
- Weekly Routine Time Budget
- Weekly Work Hours Calculator
- Workload Capacity Calculator
Qatar
SEO Tools
- Ad Frequency Calculator
- Affiliate Commission Calculator
- Canonical URL Builder
- Content Word Count Checker
- Cost per Click Calculator
- Cost per Lead Calculator
- Cost per Thousand Impressions Calculator
- Email Click Rate Calculator
- Email Click to Open Rate Calculator
- Email List Growth Calculator
- Email Open Rate Calculator
- Email Preview Text Counter
- Email Subject Line Counter
- Flesch Reading Ease Calculator
- Follower Growth Rate Calculator
- Heading Structure Checker
- Keyword Density Checker
- Keyword Frequency Checker
- Keyword Prominence Checker
- Landing Page Conversion Calculator
- Lead to Customer Rate Calculator
- Meta Description Length Checker
- Meta Title Length Checker
- Readability Score Estimator
- Return On Ad Spend Calculator
- Robots.txt Generator
- SEO Meta Tag Generator
- SERP Snippet Preview
- SERP URL Length Checker
- Social Engagement Rate Calculator
- UTM Campaign URL Builder
- UTM Link Builder
- UTM Parameter Decoder
- Video Completion Rate Calculator
- XML Sitemap Generator
Saudi Arabia
Singapore
Text Tools
- Add Line Numbers to Text
- Add Prefix to Each Line
- Add Suffix to Each Line
- Average Word Length
- Camel Case Converter
- Case Converter
- Character Counter
- Collapse Multiple Blank Lines
- Count Paragraphs
- Count Sentences
- Count Unique Words
- Extract Email Addresses from Text
- Extract Hashtags from Text
- Extract Mentions from Text
- Extract Sentences
- Extract URLs from Text
- Find and Replace Text
- Keep Duplicate Lines
- Keep Unique Lines
- Longest Word Finder
- Lorem Ipsum Generator
- Normalize Line Endings
- Number Lines Zero Padded
- Prefix Paragraphs
- Random Name Generator
- Reading Time Calculator
- Remove Duplicate Lines
- Remove Emoji from Text
- Remove Empty Text Lines
- Remove Extra Spaces
- Remove Leading Trailing Spaces
- Remove Line Breaks
- Remove Numbers from Text
- Remove Punctuation from Text
- Remove Words List
- Replace Text All
- Reverse Text Line Order
- Shortest Word Finder
- Shuffle Text Lines
- Slug Generator
- Sort Lines Descending
- Sort Lines Numeric
- Sort Text Lines Alphabetically
- Suffix Paragraphs
- Text Diff Checker
- Text Line Counter
- Text Lowercase
- Text Reading Time Estimator
- Text Reverse Characters
- Text Reverser
- Text Sentence Case
- Text Title Case
- Text Uppercase
- Text Word Frequency Summary
- Unicode Normalizer NFC
- Unicode Normalizer NFKC
- Word Counter
- Word Frequency Counter