acalculator.org - simplifying complexity
Professional calculators for finance, math, health, construction, and more. Fast, accurate, and free tools for all your calculation needs.
Browse by Category
All Categories
Finance & Investment
Financial planning, loans, investments, and tax calculations
Health & Nutrition
Health tracking, nutrition, and wellness calculations
Date & Time
Date calculations, time tracking, and scheduling tools
Mathematics
Mathematical calculations, percentages, and conversions
Education
Educational tools and academic calculations
Logistics
Shipping, container loading, and logistics optimization
Construction
Construction cost estimation and material calculations
Games
Game-related calculators and tools
Statistics
Statistical analysis, data calculations, and hypothesis testing