Free calculators to plan your savings, investments, loans and net worth. Each tool runs in your browser, updates instantly and comes with a year-by-year table. Nothing you enter is sent or stored.
- Compound Interest Calculator
See how a starting amount and monthly savings grow over time. - Retirement Savings Calculator
Estimate your savings at retirement and the monthly income they could provide. - How Long to Reach a Savings Goal
How long it takes to reach a target amount, like your first million. - Monthly Savings Calculator
How much to save each month to reach a target by a given date. - Loan and Mortgage Calculator
Monthly payment, total interest and how the loan is paid off. - Dividend Income Calculator
Project the income from a dividend portfolio, with or without reinvesting. - Inflation Calculator
What your money will be worth in the future, in today’s terms. - Net Worth Calculator
Add up what you own and what you owe to see your net worth.
These calculators are for educational purposes only. They use simplified assumptions (constant rates, no taxes, no fees) and are not investment, tax or legal advice. This page was written with the help of AI tools (Claude, by Anthropic).
About these calculators
Classic personal finance calculators: compound interest, retirement savings, savings goals, mortgage payments, dividends, inflation and net worth. Each page explains the formula, gives an example and lists common mistakes.
Every tool is free, works on phone and computer, needs no sign-up and runs in your browser: what you type is not sent to a server. Each page explains the formula, gives a worked example and answers common questions.
Tips for accurate results
- Use cautious return assumptions.
- Think in real terms, after inflation.
- Review your plan once a year.