Financial Calculators
Run real numbers in seconds — no email, no signup. Everything is computed in your browser; we don't store inputs.
Compound Interest Calculator
Project an investment balance with monthly contributions and compounding returns.
Show yearly schedule
| Year | Contributed | Balance |
|---|---|---|
| 1 | $16,000 | $16,919 |
| 2 | $22,000 | $24,339 |
| 3 | $28,000 | $32,294 |
| 4 | $34,000 | $40,825 |
| 5 | $40,000 | $49,973 |
| 6 | $46,000 | $59,782 |
| 7 | $52,000 | $70,299 |
| 8 | $58,000 | $81,578 |
| 9 | $64,000 | $93,671 |
| 10 | $70,000 | $106,639 |
| 11 | $76,000 | $120,544 |
| 12 | $82,000 | $135,455 |
| 13 | $88,000 | $151,443 |
| 14 | $94,000 | $168,587 |
| 15 | $100,000 | $186,971 |
| 16 | $106,000 | $206,683 |
| 17 | $112,000 | $227,820 |
| 18 | $118,000 | $250,486 |
| 19 | $124,000 | $274,790 |
| 20 | $130,000 | $300,851 |
| 21 | $136,000 | $328,796 |
| 22 | $142,000 | $358,760 |
| 23 | $148,000 | $390,892 |
| 24 | $154,000 | $425,345 |
| 25 | $160,000 | $462,290 |
Emergency Fund Calculator
Find your target cushion and how long until you're fully funded.
New to this? Read how much emergency fund you actually need.
Debt Payoff Calculator
Model snowball (smallest balance first) vs avalanche (highest APR first) with extra monthly payments.
| Name | Balance | APR % | Min payment | |
|---|---|---|---|---|
Want a deeper read? See snowball vs avalanche.
Mortgage Payment Calculator
Estimate your monthly principal & interest plus lifetime interest cost.
Excludes taxes, insurance, HOA, and PMI. Down payments below 20% typically add PMI.
FIRE Number & Timeline
Calculate the portfolio that funds your lifestyle and project the years until you hit it.
New to this? Start with the FIRE movement explained.