Compound interest
How much could my savings grow?
See how a starting amount and small monthly deposits add up over time, and how much of it is interest (definition, opens in a new tab).
Open calculatorMoney, First Principles
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Longer-range tools for savings, retirement and debt. Each one shows its math and explains the result in plain English. Numbers are illustrations, not advice.
Compound interest
See how a starting amount and small monthly deposits add up over time, and how much of it is interest (definition, opens in a new tab).
Open calculatorRetirement savings
Estimate what you could have by retirement age and what monthly amount gets you to your goal.
Open calculatorDebt payoff
Compare the snowball and avalanche methods to see which saves you more time and interest.
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