$500,000 for 30 years at returns from 4% to 10%
| Return | Balance | Multiple | In today’s dollars |
|---|---|---|---|
| 4% | $1,621,699 | 3.2× | $668,118 |
| 5% | $2,160,971 | 4.3× | $890,292 |
| 6% | $2,871,746 | 5.7× | $1,183,121 |
| 7% | $3,806,128 | 7.6× | $1,568,074 |
| 8% | $5,031,328 | 10.1× | $2,072,841 |
| 10% | $8,724,701 | 17.4× | $3,594,461 |
Year by year at 7%
| Year | Put in so far | Balance | In today’s dollars |
|---|---|---|---|
| 1 | $500,000 | $535,000 | $519,417 |
| 2 | $500,000 | $572,450 | $539,589 |
| 3 | $500,000 | $612,522 | $560,544 |
| 5 | $500,000 | $701,276 | $604,927 |
| 10 | $500,000 | $983,576 | $731,873 |
| 15 | $500,000 | $1,379,516 | $885,459 |
| 20 | $500,000 | $1,934,842 | $1,071,275 |
| 25 | $500,000 | $2,713,716 | $1,296,086 |
| 30 | $500,000 | $3,806,128 | $1,568,074 |
The range in 1,000 simulated markets
A 7% average does not arrive as 7% every year. In 1,000 simulated sequences of returns averaging 7% with 12% volatility, this is where $500,000 ended up: 1 in 10 markets finished below the first figure, half below the middle one, and 1 in 10 above the last.
| After | Weak (1 in 10 lower) | Middle | Strong (1 in 10 higher) |
|---|---|---|---|
| 15 years | $692,851 | $1,268,782 | $2,162,127 |
| 30 years | $1,392,088 | $3,149,391 | $7,020,580 |
The middle of the simulation sits below the steady 7% figure of $3,806,128 because ups and downs cost compounding: a 20% loss needs a 25% gain to get back.
What $3,806,128 would pay in retirement
At a 4% first-year withdrawal, $3,806,128 pays about $152,245 a year, $12,687 a month, before tax; in today’s dollars that is about $62,723 a year. How long a balance near it lasts at each withdrawal: how long $4 million lasts. To stop saving early and let growth do the rest, see Coast FIRE numbers by age.
$500,000 for other terms
| Years | Balance | In today’s dollars |
|---|---|---|
| $500,000 for 5 years | $701,276 | $604,927 |
| $500,000 for 10 years | $983,576 | $731,873 |
| $500,000 for 15 years | $1,379,516 | $885,459 |
| $500,000 for 20 years | $1,934,842 | $1,071,275 |
| $500,000 for 25 years | $2,713,716 | $1,296,086 |
| 30 years | $3,806,128 | $1,568,074 |
| $500,000 for 40 years | $7,487,229 | $2,295,261 |
| $500,000 for 50 years | $14,728,513 | $3,359,678 |
Other amounts for 30 years
$1,000: $7,612, $5,000: $38,061, $10,000: $76,123, $20,000: $152,245, $25,000: $190,306, $50,000: $380,613, $100,000: $761,226, $200,000: $1,522,451, $250,000: $1,903,064, $1,000,000: $7,612,255, $2,000,000: $15,224,510.
How it is worked out
Monthly amounts are deposited at the end of each month and compounded monthly at the rate that equals the annual return; lump sums compound once a year. The headline return is 7% a year, the Trinity-style average the site’s retirement pages use; stock-heavy portfolios have averaged more over long periods and bond-heavy ones less, which is why every page shows 4% to 10%. Today’s dollars divide by 3% inflation a year. The range comes from 1,000 simulated sequences of yearly returns averaging 7% with 12% volatility, with each year’s deposits added through the year. Fees and taxes are not taken out. More on the methodology page.