Master complex calculations with our comprehensive suite of online calculators. From financial planning with mortgage and compound interest calculators to health monitoring with BMI and calorie tools, we provide accurate results for both personal and professional use. Our calculators support international standards including European VAT rates, global currencies, and multiple measurement systems.
Calculate and simplify aspect ratios instantly. Perfect for filmmakers, designers, and developers needing precise dimensions for video, images, or responsive layouts.
Track and analyze your blood pressure readings with automatic categorization, trend analysis, and weekly reports. Free health monitoring tool with data export.
Calculate Body Mass Index with visual feedback, ideal weight ranges, and unit conversion. Enhanced health monitoring with color-coded results.
Project investment growth with compound interest calculations including regular contributions and timeline visualization for retirement and financial planning.
Convert between 150+ world currencies using real-time exchange rates. Live financial data with historical charts and favorite pairs for international transactions.
Calculate days, weeks, months between dates; add/subtract time periods; compute age with professional date arithmetic for project planning.
Make better decisions with multi-criteria analysis. Professional decision matrix calculator with weighted scoring, comparison tables, and detailed analysis reports.
Calculate daily calorie needs, ideal weight, and water intake based on personal metrics. Comprehensive health planning with activity level adjustments.
Calculate linear regression models from your data points. Free online tool with real-time predictions, visualizations, and statistics for machine learning enthusiasts.
Calculate monthly mortgage payments, total interest, and complete amortization schedules. Compare loans with extra payment scenarios for informed financial decisions.
Comprehensive mathematics toolkit including scientific, fraction, geometry, and prime calculators with advanced functions for education and engineering.
Calculate comprehensive percentages including increases, decreases, and proportions with step-by-step explanations for business and education.
Plan routes on an interactive map, calculate driving ranges, and compare speed scenarios.
Detect anomalies and outliers in time series data using statistical methods. Free online tool with Z-score, IQR, and moving average detection algorithms.
Compare times across multiple zones with automatic daylight saving adjustments. Perfect for international meetings and global team coordination.
Convert between timezones with automatic DST handling. Compare multiple timezones, plan international meetings, and track daylight saving time transitions worldwide.
Convert between measurement units including length, weight, temperature, volume, and more. Support for metric and imperial systems with precision.
Convert between 11+ unit categories including length, weight, volume, temperature, and more with scientific precision for engineering applications.
Calculate European VAT amounts (0%, 9%, 21%) instantly from net to gross or vice versa. Essential business tool for entrepreneurs with batch processing support.
Calculate video duration from frames, frame count from duration, convert timecodes, and solve time-lapse calculations. Essential for video professionals.
Developer calculator suite with subnet calculator, CSS easing functions, calc() builder, and reading time estimator. Essential tools for web development and network engineering.
Master modern CSS and design systems with professional web design tools for 2025. Create gradients, ...
Transform your wellness journey with comprehensive health calculators and fitness planning tools. Fr...
Supercharge your development workflow with professional code optimization, testing, and debugging to...
Master professional typography with comprehensive font selection, pairing, and implementation tools....
Professional code debugging and development solutions for developers.