Welcome to Calculator Hub, your one-stop destination for fast, accurate, and free online calculators designed to simplify math, finance, fitness, health, and everyday calculations. Whether you're a student, professional, fitness enthusiast, or DIYer, we provide easy-to-use tools that deliver instant results 1. Financial Calculators Mortgage Calculator – Estimate monthly payments, interest, and loan terms Compound Interest Calculator – Grow your savings with accurate projections Loan EMI Calculator – Plan personal, auto, or student loans Retirement Planner – Forecast your future savings needs 2. Fitness & Health Calculators ACFT Calculator – Measure your Army Combat Fitness Test score BMI Calculator – Check your body mass index Calorie Calculator – Track daily intake for weight goals Macro Calculator – Optimize protein, carbs, and fats 3. Math & Science Calculators Scientific Calculator – Advanced functions for students & engineers Percentage Calculator – Solve % increase/decrease problems Unit Converter – Switch between metric & imperial units Geometry Calculator – Area, volume, and shape calculations 4. Everyday Life Calculators Tip Calculator – Split bills and calculate gratuity Pregnancy Due Date Calculator – Estimate baby arrival Fuel Cost Calculator – Plan road trip expenses Time Zone Converter – Schedule global meetings easily