FIRE savings planner
Pick the age you want to stop working. See how much you need by then, and how much to save each month to get there.
Save $3,522 a month to retire at 50
For 20 years, starting now. That builds the $2.89M you need at 50: 25× a year of spending then. Your current $50K covers $336K of it.
Shown in future amounts. Turn on Today’s money to adjust for 6% inflation.
Your path to the FIRE number
Your savings alone reach $336K; the monthly saving closes the gap to $2.89M by 50.
Your ageShow the numbers as a table
| Age | With monthly saving | Savings alone |
|---|---|---|
| 30 | $50,000 | $50,000 |
| 31 | $99,523 | $55,000 |
| 32 | $153,998 | $60,500 |
| 33 | $213,921 | $66,550 |
| 34 | $279,836 | $73,205 |
| 35 | $352,342 | $80,526 |
| 36 | $432,099 | $88,578 |
| 37 | $519,832 | $97,436 |
| 38 | $616,338 | $107,179 |
| 39 | $722,495 | $117,897 |
| 40 | $839,267 | $129,687 |
| 41 | $967,716 | $142,656 |
| 42 | $1,109,011 | $156,921 |
| 43 | $1,264,435 | $172,614 |
| 44 | $1,435,401 | $189,875 |
| 45 | $1,623,464 | $208,862 |
| 46 | $1,830,334 | $229,749 |
| 47 | $2,057,890 | $252,724 |
| 48 | $2,308,202 | $277,996 |
| 49 | $2,583,545 | $305,795 |
| 50 | $2,886,422 | $336,375 |
Year-by-year table20 years
| Age | Put in so far | Balance | Savings alone |
|---|---|---|---|
| 31 | $42,267 | $99,523 | $55,000 |
| 32 | $84,533 | $153,998 | $60,500 |
| 33 | $126,800 | $213,921 | $66,550 |
| 34 | $169,067 | $279,836 | $73,205 |
| 35 | $211,334 | $352,342 | $80,526 |
| 36 | $253,600 | $432,099 | $88,578 |
| 37 | $295,867 | $519,832 | $97,436 |
| 38 | $338,134 | $616,338 | $107,179 |
| 39 | $380,401 | $722,495 | $117,897 |
| 40 | $422,667 | $839,267 | $129,687 |
| 41 | $464,934 | $967,716 | $142,656 |
| 42 | $507,201 | $1,109,011 | $156,921 |
| 43 | $549,468 | $1,264,435 | $172,614 |
| 44 | $591,734 | $1,435,401 | $189,875 |
| 45 | $634,001 | $1,623,464 | $208,862 |
| 46 | $676,268 | $1,830,334 | $229,749 |
| 47 | $718,535 | $2,057,890 | $252,724 |
| 48 | $760,801 | $2,308,202 | $277,996 |
| 49 | $803,068 | $2,583,545 | $305,795 |
| 50 | $845,335 | $2,886,422 | $336,375 |
How this is calculated
Your FIRE number is a year of spending at retirement divided by the safe withdrawal rate. Spending rises with inflation until then.
gap = target − $50,000 × (1 + 10%)20 = $2,550,047
monthly = gap × i ÷ (((1 + i)240 − 1) × (1 + i)), i = 0.797%
The monthly saving is a flat amount invested at the start of each month, growing at the monthly version of a 10% return. If you can raise it with your pay each year, you can start lower.
Tax, pensions and changes in spending after you stop aren’t modelled. Returns are assumed steady.