Online Free Calculators

Financial Calculators

Mortgage and Real Estate

Mortgage Calculator
Mortgage Amortization Calculator
Mortgage APR Calculator
Refinance Calculator
FHA Loan Calculator
VA Loan Calculator
Prepayment Calculator
Closing Cost Calculator
Down Payment Calculator
Home Affordability Calculator
Rent Affordability Calculator
Debt-to-Income Ratio Calculator
Rental Property Calculator
Buy vs. Rent Calculator

Auto

Auto Loan Calculator
Cash Back vs Lower Rate Calculator
Auto Lease Auto Price Calculator
Auto Lease Payment Calculator
Auto Loan Refinance Calculator

Investment

Currency Converter
Interest Calculator
Investment Return Calculator
Investment End Balance Calculator
Investment Start Balance Calculator
Investment Contribution Calculator
Investment Length Calculator
Portfolio Performance Return Calculator
CD Calculator

Personal Finance

Personal Loan Calculator
Credit Card Minimum Payment Calculator
Credit Card Pay Off Calculator
Credit Card Balance Transfer Calculator
Credit Card Cash Back vs. Low APR Calculator
Credit Card airline vs. Low APR Calculator
Debt Payoff Calculator
Debt Consolidate Calculator

Health Calculators

Fitness

Ultimate (for all) Calculator
BMI Calculator
BMR Calculator
Calorie Calculator
Ideal Weight Calculator
Body Fat Calculator
Child Growth Chart Calculator

Epidemic Model

Corona Virus (COVID-19) Track
SIR Epidemic Model
Two Phases SIR Model

Dietary Reference Intakes (DRI)

Energy Calculator
Carbohydrates Calculator
Fiber Calculator
Fat Calculator
Protein Calculator
Vitamin Calculator
Mineral Calculator
Total Water Calculator

Math Calculators

Numerical Expression Calculator
LCM and GCD Calculator
Is A Prime Number Calculator
Number Factorization Calculator
Nth Prime Number Calculator
Symbol Expression Calculator
Derivatives Calculator
Integrate Calculator

Math Exercises

Plane Geometry

Python tutorials and exercises

Python tutorial
Python Exercises