Free Online Calculators

Simple, fast, and accurate tools for finance, health, and everyday math.

💰 Financial Calculators

Calculate how your savings grow over time with compound interest. See the power of compounding with visual charts.

Generate a full loan amortization schedule. See monthly payments, interest breakdown, and payoff timeline.

Estimate your net pay after federal and state taxes, Social Security, and Medicare deductions.

Calculate your Body Mass Index and understand what your BMI means for your health.

Find your Total Daily Energy Expenditure to plan your diet for weight loss, maintenance, or muscle gain.

Calculate percentages easily. Find what percent of a number is, percentage increase/decrease, and more.