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Complete list of all available calculators organized by categories

Health & Fitness

BMI Calculator – Check Your Body Mass Index Instantly
BMR Calculator – Calculate Your Basal Metabolic Rate & Daily Calorie Needs
Water Intake Calculator – Calculate How Much Water You Should Drink Daily
Age Calculator – Calculate Your Exact Age in Years, Months & Days
Body Fat Calculator – Measure Your Fitness Level Online
Ideal Weight Calculator – Find Your Healthy Weight Range
Calorie Burn Calculator – Estimate Calories Burned Daily
Heart Rate Calculator – Check Your Target Heart Rate
Pregnancy Due Date Calculator – Know Your Baby’s Arrival
Ovulation Calculator – Track Fertile Days & Conceive Fast
Blood Alcohol Calculator
Macronutrients Calculator – Track Your Daily Nutrition
Sleep Calculator – Find the Best Time to Sleep & Wake Up
Running Pace Calculator – Track Speed, Time & Distance
TDEE Calculator – Total Daily Energy Expenditure & Maintenance Calories

Finance & Investment

SIP Calculator – Calculate SIP Returns, Maturity & Investment Growth
EMI Calculator – Calculate Loan EMI, Interest & Tenure Instantly
Compound Interest Calculator – Calculate Returns Easily Online
Simple Interest Calculator – Calculate Interest on Loans & Savings
Mortgage Calculator – Estimate Home Loan EMI, Interest & Payments
Loan Comparison Calculator – Compare Loan Offers, Interest & EMI
Retirement Planning Calculator – Plan Your Future Savings & Income
Income Tax Calculator
Investment Return Calculator – Calculate ROI, Profit & Growth Online
Debt Payoff Calculator – Plan Your Loan Repayment & Get Debt-Free Faster
Budget Planner Calculator – Manage Monthly Income & Expenses Easily
Currency Converter – Live Exchange Rates & Real-Time Conversion
Inflation Calculator – Future Cost & Purchasing Power Over Time
Sales Tax Calculator – Add Tax to Price or Reverse-Calculate Pre-Tax

Math & Statistics

Percentage Calculator – Calculate Percentage Online
Scientific Calculator – Advanced Math Calculator Online
Fraction Calculator – Add, Subtract, Multiply & Divide Fractions
Algebra Equation Solver – Solve Linear & Quadratic Equations Online
Statistics Calculator – Mean, Median, Mode & Standard Deviation
Probability, Combinations & Permutations Calculator – Solve Math Problems Online
Matrix Calculator – Add, Subtract, Multiply & Inverse Matrices Online
Prime Factorization Calculator – Find Prime Factors of Any Number
GCD & LCM Calculator – Find Greatest Common Divisor & Least Common Multiple
Roman Numeral Converter | Convert Numbers to Roman Numerals & Vice Versa

Unit Conversion

Length Converter – Convert Meters, Inches, Feet, Yards & More
Weight Converter – Convert Kilograms, Pounds, Ounces & Grams Instantly
Temperature Converter
Area Converter – Convert Square Feet, Square Meters, Acres & Hectares
Volume Converter – Convert Liters, Milliliters, Gallons & Cubic Meters
Speed Converter | Convert Between km/h, m/s, mph, and Knots Instantly
Pressure Converter | Convert Between Pascal, Bar, PSI, and Atmosphere Instantly
Shoe Size Converter | Convert US, UK, EU & International Shoe Sizes
Clothing Size Converter | Convert US, UK, EU & International Clothing Sizes

Date & Time

Date Difference Calculator | Calculate Days, Months & Years Between Two Dates
Business Days Calculator | Calculate Working Days Between Dates
Time Zone Converter | Convert Time Between Cities & Countries Instantly
Age Difference Calculator | Find Exact Age Gap Between Two People
Lunar Calendar Calculator | Find Moon Phases & Lunar Dates Easily
Date Calculator – Add or Subtract Days, Weeks, Months & Years
Days Until Calculator – Countdown & Time Until a Date
Day of Year Calculator – Ordinal Date (1–366) & Reverse
Week Number Calculator – ISO 8601 Week & Date Range

Construction & Engineering

Concrete Volume Calculator | Calculate Concrete & Materials Needed
Paint Calculator | Estimate Paint Required for Walls & Rooms
Roofing Materials Calculator | Estimate Roof Materials & Costs
Flooring Calculator | Estimate Tiles, Wood, or Laminate Needed

Automotive

Fuel Economy Calculator | Calculate MPG, KM/L & Fuel Costs
Car Loan Calculator | Calculate EMI, Interest & Total Payment
Tire Size Calculator | Convert & Compare Tire Dimensions Easily

Business and Economics

Break-Even Calculator | Calculate Break-Even Point for Business
Markup & Margin Calculator | Calculate Profit, Selling Price & Margin
Payroll Calculator | Calculate Net Salary, Deductions & Taxes
ROI Calculator | Calculate Return on Investment & Profitability
Hourly to Salary Calculator – Convert Wage to Annual, Monthly & Weekly

Gaming & Entertainment

Dice Roller Calculator | Roll Virtual Dice Online for Games
Game Probability Calculator | Calculate Odds & Winning Chances
Random Number Generator | Generate Random Numbers Online
Coin Flip Simulator | Virtual Coin Toss for Decision Making

Academic Calculators

Grade Calculator | Calculate Final Grades & Course Averages
GPA Calculator | Calculate Grade Point Average & CGPA
Test Score Calculator | Calculate Percentage & Letter Grades
Assignment Tracker | Track Homework & Project Deadlines
Study Time Calculator | Plan Study Schedule & Time Management

Technology & Digital

Internet Speed Calculator | Calculate Bandwidth Requirements
Data Usage Calculator | Estimate Mobile Data Consumption
Password Strength Calculator | Test Password Security
Website Loading Time Calculator | Performance Metrics
Social Media ROI Calculator | Marketing Effectiveness

Travel & Transportation

Trip Cost Calculator | Budget Your Vacation Expenses
Flight Carbon Footprint Calculator | Environmental Impact of Travel
Gas Mileage Calculator | Fuel Efficiency & Trip Costs
Time Zone Calculator | Meeting Scheduler Across Time Zones
Currency Exchange Calculator | Real-Time Currency Conversion
Tip Calculator | Restaurant & Service Tips by Country

Fun & Entertainment

FLAMES Calculator | Relationship Prediction Game Online
Love Calculator – Find Your Love Compatibility Percentage
Should I Get Back With My Ex? Free Ex Compatibility Calculator

Developer Tools

JSON Formatter & Viewer | Format, Validate & Minify JSON Online
XML Formatter & Viewer | Format, Validate & Beautify XML Online
Base64 Encoder & Decoder | Encode & Decode Base64 Strings Online
URL Encoder & Decoder | Encode & Decode URLs Online
HTML Entity Encoder & Decoder | Encode & Decode HTML Entities Online
Regex Tester | Test Regular Expressions Online with Live Matching
Color Converter | Convert Between HEX, RGB, HSL & More
Lorem Ipsum Generator | Generate Placeholder Text Online
Hash Generator | Generate MD5, SHA-1, SHA-256 Hashes Online
Diff Checker | Compare Two Texts Side by Side Online

Cooking & Kitchen

Recipe Scaler | Scale Recipe Ingredients Up or Down
Cooking Unit Converter | Cups, Tablespoons, ML & More
Cooking Time Calculator | Estimate Cook Times by Weight
Recipe Calorie Calculator | Count Calories Per Serving
Baking Ratio Calculator | Perfect Baking Proportions
Ingredient Substitution Finder | Cooking Substitutes

Real Estate & Property

Mortgage Affordability Calculator | How Much House Can You Afford?
Rent vs Buy Calculator | Should You Rent or Buy a Home?
Property Tax Calculator | Estimate Annual Property Taxes
Square Footage Calculator | Calculate Area of Any Space
Closing Cost Calculator | Estimate Home Buying Closing Costs
Rental Yield Calculator | Calculate Investment Property Returns

Parenting & Baby

Baby Growth Tracker | Track Height, Weight & Percentiles
Diaper Cost Calculator | Estimate Diaper Expenses
Baby Feeding Schedule | Age-Based Feeding Guide
Baby Name Finder | Search Names by Gender, Religion, Origin & Meaning
College Savings Calculator | Plan for Education Costs

Fitness & Workout

One Rep Max Calculator | Calculate Your 1RM for Any Lift
HIIT Timer | Interval Training Timer with Rounds
Body Measurement Tracker | Track Your Fitness Progress
Weightlifting Volume Calculator | Calculate Training Volume
Running Split Calculator | Calculate Race Splits & Pace
Workout Calorie Calculator | Calories Burned by Exercise

Writing & Text

Word Counter | Count Words, Characters, Sentences & Paragraphs
Text Case Converter | UPPER, lower, Title, Sentence Case
Readability Score Calculator | Flesch-Kincaid & More
Text Repeater | Repeat Text Multiple Times Online
Text Reverser | Reverse Text, Words & Lines Online
Reading Time Estimator | How Long to Read Any Text

Photography & Design

Aspect Ratio Calculator | Calculate & Convert Ratios
DPI Converter | Convert DPI, PPI & Print Sizes
Image Resize Calculator | Calculate New Dimensions
Golden Ratio Calculator | Calculate Phi (1.618) Proportions
Color Palette Generator | Create Harmonious Color Schemes

Pet Care

Pet Age Calculator | Dog & Cat Years to Human Years
Pet Food Calculator | Daily Feeding Portions by Weight
Pet BMI Calculator | Check If Your Pet Is a Healthy Weight
Pet Cost Estimator | Annual Cost of Owning a Pet
Pet Vaccination Schedule | Dog & Cat Vaccine Timeline

Electrical & Electronics

Ohm's Law Calculator | Calculate Voltage, Current & Resistance
Resistor Color Code Calculator | Decode Resistor Bands
LED Resistor Calculator | Find the Right Resistor for LEDs
Wire Gauge Calculator | AWG Wire Size & Ampacity
Power Consumption Calculator | Electricity Cost Estimator
Battery Life Calculator | Estimate Battery Runtime

Gardening & Agriculture

Planting Calendar | When to Plant Vegetables & Flowers
Soil Calculator | How Much Soil Do You Need?
Fertilizer Calculator | NPK Ratios & Application Rates
Garden Area Planner | Calculate Garden Bed Sizes
Plant Water Needs Calculator | Irrigation Planning

Event Planning

Guest List Calculator | Estimate Event Attendance
Catering Estimator | Food & Drink Quantities for Events
Event Budget Planner | Plan & Track Event Expenses
Seating Arrangement Calculator | Table & Chair Planning
Event Countdown Timer | Days Until Your Event