Free Online Calculators
222 free calculators for money, health, math and everyday life. Each one shows its formula and a worked example.
Popular calculators
Financial Calculators
View all 83 →Mortgages, loans, interest, investing, retirement, taxes and everyday money math.
Mortgage and Real Estate
- Mortgage Calculator
- Amortization Calculator
- Mortgage Payoff Calculator
- House Affordability Calculator
- Rent Calculator
- Debt-to-Income Ratio Calculator
- Real Estate Calculator
- Refinance Calculator
- Rental Property Calculator
- APR Calculator
- FHA Loan Calculator
- VA Mortgage Calculator
- Home Equity Loan Calculator
- HELOC Calculator
- Down Payment Calculator
- Rent vs. Buy Calculator
- Mortgage Calculator UK
- Canadian Mortgage Calculator
- Mortgage Amortization Calculator
- Loan-to-Value Calculator
Investment
- Interest Calculator
- Investment Calculator
- Finance Calculator
- Compound Interest Calculator
- Interest Rate Calculator
- Savings Calculator
- Simple Interest Calculator
- CD Calculator
- Bond Calculator
- Mutual Fund Calculator
- Average Return Calculator
- IRR Calculator
- ROI Calculator
- Payback Period Calculator
- Present Value Calculator
- Future Value Calculator
- CAGR Calculator
- SIP Calculator
- FD Calculator
- RD Calculator
Retirement
Tax and Salary
Other
- Loan Calculator
- Payment Calculator
- Currency Calculator
- Inflation Calculator
- Sales Tax Calculator
- Credit Card Calculator
- Credit Cards Payoff Calculator
- Debt Payoff Calculator
- Debt Consolidation Calculator
- Repayment Calculator
- Student Loan Calculator
- College Cost Calculator
- VAT Calculator
- Depreciation Calculator
- Margin Calculator
- Discount Calculator
- Business Loan Calculator
- Personal Loan Calculator
- Boat Loan Calculator
- Lease Calculator
- Budget Calculator
- Commission Calculator
- EMI Calculator
- Net Worth Calculator
Fitness & Health Calculators
View all 33 →BMI, calories, body fat, pregnancy dates, macros and training numbers.
Fitness
- BMI Calculator
- Calorie Calculator
- Body Fat Calculator
- BMR Calculator
- Ideal Weight Calculator
- Pace Calculator
- Army Body Fat Calculator
- Lean Body Mass Calculator
- Healthy Weight Calculator
- Calories Burned Calculator
- One Rep Max Calculator
- Target Heart Rate Calculator
- Overweight Calculator
- Anorexic BMI Calculator
- Weight Watcher Points Calculator
- Calorie Deficit Calculator
Pregnancy
Math Calculators
View all 49 →Scientific, fraction and percent calculators, statistics, algebra and geometry.
Arithmetic & Algebra
- Scientific Calculator
- Fraction Calculator
- Percentage Calculator
- Random Number Generator
- Percent Error Calculator
- Exponent Calculator
- Binary Calculator
- Hex Calculator
- Half-Life Calculator
- Quadratic Formula Calculator
- Log Calculator
- Ratio Calculator
- Root Calculator
- Least Common Multiple Calculator
- Greatest Common Factor Calculator
- Factor Calculator
- Rounding Calculator
- Matrix Calculator
- Scientific Notation Calculator
- Big Number Calculator
- Basic Calculator
- Average Calculator
- Percent Off Calculator
- Common Factor Calculator
- Prime Factorization Calculator
- Long Division Calculator
- Equation Solver
- Percentage Increase Calculator
Statistics
Other Calculators
View all 57 →Dates and time, construction, conversions, electronics, weather and fun tools.