Unit Converter, Calculator & Developer Tools

Convert between all common length and distance units. Perfect for science, engineering, and everyday use.

Convert between mass and weight units for cooking, science, health and more.

Convert between liquid and solid volume units for recipes, science and industry.

Convert between temperature scales for science, weather and cooking.

Convert between area units for land, real estate, science and more.

Convert between kitchen measurement units for recipes and food preparation.

Convert between speed units for vehicles, sports, science and more.

Convert between time units for scheduling, science, and daily use.

Convert between angle units for math, navigation, engineering.

Convert between density units for science, chemistry, industry.

Convert between volumetric and mass flow rate units for engineering and science.

Convert between fuel economy units for vehicles, travel, logistics.

Solve and convert mathematical formulas, algebra, geometry and more.

Convert between energy units for physics, engineering and nutrition.

Convert between power units for electricity, mechanics, and more.

Convert between pressure units for weather, science, engineering.

Convert between force units for physics, engineering, mechanics.

Convert between torque units for mechanics, engineering, physics.

Convert between frequency units for radio, electronics, science.

Convert between acceleration units for physics, engineering, sports.

Convert between radiation units for physics, medicine, safety.

Convert between magnetism units for physics, engineering, science.

Convert between illuminance units for lighting, photography, science.

Convert between sound units for acoustics, audio, engineering.

Convert between astronomical distance units for space and science.

Convert between dynamic and kinematic viscosity units for fluids.

Convert between pH units for chemistry, biology, and water quality.

Calculate BMI and convert health-related units for fitness and medicine.

Calculate your age in years, months, days, and even seconds. Useful for birthdays and anniversaries.

Estimate due date, gestational age, and important pregnancy milestones.

Predict ovulation days and fertile windows for family planning.

Convert between blood sugar units for health, medicine, diabetes.

Convert between blood pressure units for health and medicine.

Calculate the age difference between two people or dates in years, months, and days.

Calculate daily calorie needs and convert nutrition units.

Calculate body fat percentage using various measurement methods.

Calculate loan payments, interest, and payoff schedules for personal, auto, or business loans.

Calculate monthly mortgage payments, interest, and amortization schedules.

Easily calculate tips and split bills at restaurants and cafes.

Calculate net salary, tax deductions, and take-home pay.

Calculate your Grade Point Average (GPA) for schools and universities.

Convert between world currencies for travel, business, finance.

Convert between popular cryptocurrencies and fiat currencies.

Calculate compound interest and investment growth over time.

Calculate retirement savings needs and plan for the future.

Calculate and convert fuel consumption and cost for vehicles and travel.

Convert tire pressure between PSI, bar, and kPa, and calculate ideal pressure for vehicles.

Convert engine power between HP, kW, and PS.

Convert engine displacement between cc, liter, and cubic inch.

Calculate vehicle tax based on engine size, age, and fuel type.

Calculate insurance premium based on vehicle type, age, and usage.

Calculate CO2 emissions based on fuel consumption and distance.

Convert vehicle battery capacity between Ah, mAh, and Wh.

Convert tire sizes between inch and mm, calculate sidewall height and circumference.

Calculate recommended service interval in km, miles, and months for vehicles.

Calculate vehicle depreciation based on age and mileage.

Convert vehicle AC cooling capacity between BTU, kcal, and ton.

Generate strong and secure WiFi passwords. Customizable options for network security.

Convert screen resolutions. Ideal for web design and responsive development.

Convert CSS units: px, em, rem, vh, vw, %. Essential for web development.

Format and beautify SQL queries. Professional tool for database development.

Test and validate regex patterns. Powerful tool for programming and data processing.

Generate test files. Different formats and sizes for development and testing processes.

Convert digital data units. For computer and data storage calculations.

Convert between number systems. Binary, decimal and hexadecimal systems.

Generate strong random passwords. For online accounts and security.

Convert data transfer rate units. For networking and IT applications.

Generate unique identifiers. For software and databases.

Encode/decode text and files with Base64. For data transfer and storage.

Convert between JSON and XML formats. For programming and data exchange.

Encode/decode HTML entities. For web development and SEO.

Convert between color formats. RGB, HEX, HSL and other color systems.

Test password strength and security. Security analysis and recommendations.

Format and beautify JSON data. For readability and debugging.

Format and beautify XML data. For readability and debugging.

Create CSS gradient effects. Professional tool for linear and radial gradients.

Create CSS box-shadow effects. Shadow effects for modern web design.

Create CSS border-radius effects. For rounded corners and custom shapes.

Create CSS text shadow effects. Multiple shadows, live preview, and presets.

Professional image cropper with social media presets. Crop images with precise controls and multiple formats.

Resize images with advanced features. Batch processing, quality control, and format conversion.

Professional color contrast checker for WCAG compliance. Test accessibility and ensure designs meet web standards.

Professional color blending tool. Mix colors, create gradients, explore color theory and generate perfect combinations.

Generate harmonious font sizes and perfect typographic hierarchies. Create modular scales for professional design systems.

Calculate the divine proportion φ (phi). Generate golden ratios, Fibonacci sequences, and apply mathematical harmony to design.

Professional CSS Grid layout builder. Create responsive grids with visual editor, export CSS code, and explore grid patterns.

Convert between resistance units for electronics and physics.

Convert between capacitance units for electronics and physics.

Convert between inductance units for electronics and engineering.

Convert between electric charge units for physics and electronics.

Convert between electric potential units for electronics and physics.

Convert between conductance units for electronics and physics.

Calculate the difference between two dates in days, weeks, months, or years.

Convert between Gregorian, Julian, Hijri, Hebrew, and other calendar systems.

Convert time between different time zones worldwide. Useful for travel, business, and remote work.

View current time in cities and countries around the world.

Calculate dates for official holidays, Easter, Ramadan, and more.

Count the number of characters, words, and lines in your text.

Convert numbers to and from Roman numerals for history, math, and education.

Convert text to and from Morse code for communication and learning.

Generate QR codes for URLs, text, contact info, and more.

Generate barcodes for products, inventory, and logistics.

Validate International Bank Account Numbers (IBAN) for banking and finance.

Convert and validate ISBN-10 and ISBN-13 for books and publishing.

Convert clothing sizes for shirts, pants, dresses, and more.

Convert shoe sizes for men, women, children by country and region.

Convert clothing sizes for babies, kids, and toddlers.

Convert between shoe width sizes for different regions.