Loan repayment estimator
Plug in principal, APR and term to see your monthly payment and the total interest you'll pay over the life of the loan.
Estimate—
Free calculators
Run the numbers right here, walk away with a plan.
All four tools live in your browser. Inputs never leave the page, nothing is logged, no email is required. Drag the assumptions, watch the result update, and copy the line into your notes when you're ready.
Retirement outlook
A back-of-envelope projection. Combines what you've already saved with a constant monthly contribution, growing at an assumed annual return.
Future balance—
Debt payoff timeline
For a single revolving balance — credit card, line of credit, personal loan. Tells you how long until $0 and what the total interest cost will be.
Payoff & cost—
Investment growth projector
Models a single account with a starting balance plus a monthly top-up, compounding at an assumed annual rate. Useful for comparing two contribution levels side by side.
Projected balance—
Reading the output
What the calculators do not tell you.
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Returns are assumptions
Real-world returns vary by year, asset class and tax treatment. Our default rates are conservative averages — try the same calculation at a 2-3% lower return as a sanity check.
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Inflation is excluded
The projections are in nominal dollars. Subtract roughly 2.5–3% per year to get a rough purchasing-power estimate, or use both numbers when comparing scenarios.
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Edge cases are simplified
Variable-rate loans, employer matches, tax brackets and 401(k) caps are not modeled. Use the output as a starting point, then refine with a planner before any large move.