Personal finance calculators
Debt payoff, loans, investing, compounding, and household budgeting calculators.
8 calculators in this topic
- Auto loan payment estimatorPrincipal & interest (simple, no fees)
- Future nominal amountPresent sum × compound inflation
- Investment growth (monthly contributions)Nominal future value — not inflation-adjusted
- Months to pay off (fixed payment)Requires payment greater than monthly interest
- Present value of a future sumPV = FV ÷ (1 + r)^n
- Price after stacked % discountsList × (1 − 1st) × (1 − 2nd)
- Rewards earned (simple model)Not legal/tax advice — illustrative only
- Years to double (compound growth)Exact continuous-compounding style estimate via ln
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