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Calculate simple and compound interest for your investments and loans.

Calculate mortgage payments and view amortization schedule for your home loan.

Plan your credit card debt payoff strategy with our comprehensive calculator. See monthly payments, total interest, and find the fastest way to become debt-free.

Calculate your body mass index and determine your healthy weight range.

Calculate your daily calorie needs and macro-nutrient distribution based on your goals

Calculate calories burned during different physical activities based on activity type, duration, and intensity.

Calculate your Basal Metabolic Rate (BMR) to understand your body's daily energy needs at rest.

Calculate your pregnancy week, expected delivery date, and track important milestones throughout your pregnancy journey.

Optimize your sleep schedule with our sleep cycle planner. Calculate ideal bedtimes and wake times based on natural 90-minute sleep cycles.

Calculate your exact age in years, months, and days, or find the time difference between two dates.

Calculate the exact number of days, weeks, months, or years between two dates.

Calculate a future date by adding days, months, or years to a start date.

Convert between pet years and human years for dogs and cats of different sizes and breeds.

Discover what day of the week you were born on, calculate upcoming birthdays, and find interesting facts about your birth date.

Discover your love compatibility with our fun calculator! Enter two names and birth dates to get an entertaining compatibility score and relationship insights.

Determine if any year is a leap year with our accurate calculator. Learn about leap year rules, find upcoming leap years, and understand calendar calculations.

Convert dates between Hijri (Islamic) and Gregorian calendars accurately. Perfect for religious observances, historical research, and cross-cultural date planning.

Analyze your business performance with our profit and loss calculator. Track revenue, expenses, and margins to identify opportunities for financial growth.

Calculate your daily commute fuel costs with precision. Estimate monthly and yearly expenses based on distance, fuel efficiency, and current gas prices.

Calculate overtime pay accurately based on regular hours, overtime hours, and hourly rates. Determine total compensation including time-and-a-half calculations.

Convert between gross and net salary with precision. Calculate tax deductions, social security, pension contributions, and take-home pay for accurate salary planning.

Maximize your tax savings with our comprehensive freelance deduction calculator. Track business expenses, calculate tax savings, and optimize your self-employment tax strategy.

Project your freelance income without complex invoicing systems. Calculate potential earnings based on hourly rates, project estimates, and work capacity planning.

Calculate and analyze rental property returns, yields, and overall investment performance.

Convert units of length, area, volume, weight, and more.

Calculate voltage, current, resistance, and power using Ohm's Law. Essential for electrical engineering, circuit design, and electronics projects.

Calculate voltage drop in electrical circuits based on wire length, size, and current. Essential for proper electrical system design and code compliance.

Decode resistor color bands to determine resistance values. Calculate resistance, tolerance, and temperature coefficient from 4, 5, or 6 band resistors.

Calculate the appropriate cable size based on electrical load and distance. Ensure safe and efficient electrical installations with proper cable sizing.

Calculate the volume of pipes and cylinders based on diameter and length. Essential tool for plumbing, engineering, and fluid system design.

Convert fuel volume to mass based on fuel type and density. Essential tool for aviation, automotive, and engineering fuel calculations.

Calculate natural vibration frequency based on mass and stiffness. Essential tool for mechanical engineering, structural analysis, and vibration control.

Calculate slope in degrees or percent based on rise and run. Essential tool for construction, engineering, and surveying applications.

Calculate power consumption and electricity costs for appliances. Essential tool for energy management, cost estimation, and efficiency planning.

Calculate torque based on force and distance. Essential tool for mechanical engineering, automotive work, and tool selection.

Calculate thermal expansion of materials based on temperature changes. Essential tool for construction, engineering, and material science applications.

Convert text and files to and from Base64 encoding. Essential tool for developers working with data encoding and web development.

Count characters, words, sentences, and paragraphs in your text with our Character Counter. Get detailed text analytics and statistics instantly.

Generate various hash values like MD5, SHA-1, SHA-256, and more from your text. Secure hash generation for cryptographic and data integrity applications.

Convert JSON data to CSV format with customizable delimiters. Perfect for data analysis, Excel imports, and database operations.

Convert numbers between binary, hexadecimal, and decimal formats instantly. Perfect for programmers, students, and digital electronics enthusiasts.

Generate unique UUIDs (Universally Unique Identifiers) in Version 1 and Version 4 formats. Essential tool for developers needing unique identifiers.

Validate and verify UUID (Universally Unique Identifier) format and structure. Check if your UUID is valid and get detailed information about its version and format.

Generate and validate cron expressions for task scheduling. Create cron schedules with an intuitive interface and get human-readable descriptions.

Decode and analyze JSON Web Tokens (JWT) to inspect headers, payloads, and claims. Verify token structure and check expiration status for authentication debugging.

Create and encode JSON Web Tokens (JWT) with custom headers, payloads, and signatures. Generate secure tokens for authentication and authorization purposes.