Coast FIRE Number at 30: How Much to Have Invested
At 30, an example saver needs about $181,290 invested to coast to retirement with no new contributions - and across real market history that plan held up about 82% of the time.
That's roughly what an example saver - $40,000/yr spending, a 5% real return, retiring by 65 - would need invested at 30 to stop contributing and still reach a $1,000,000 target through growth alone. These figures are computed at build time from Coastward's real-history engine, not hand-picked.
What coasting at 30 actually means
By 30 the math still leans heavily in your favour: roughly 35 years of growth does most of the lifting, so the coast number stays modest. Reaching it buys the freedom to change careers, drop to part-time, or simply stop optimising every dollar, while the portfolio you already have keeps compounding toward the target on its own.
The honest part most calculators skip: $181,290 is the straight-line answer. When we replay that exact plan across thousands of real market sequences - crashes in their true order - it reached retirement intact in about 82% of histories. A coast number isn't a guarantee, it's a probability. See how that's computed →
Run your own coast number at 30
Open the calculator prefilled for this example, then change the spending, return, and target to match your life - and watch the fan chart of real histories redraw.
Frequently asked
How much do I need invested to Coast FIRE at 30?
For an example saver spending $40,000/yr and assuming a 5% real return to age 65, the Coast FIRE number at 30 is about $181,290. Your own number depends on your spending, target age, and return assumption - run it in the calculator.
Is 30 too late to Coast FIRE?
No, 30 is still early. Around 35 years of compounding means a relatively small invested sum can carry you to retirement, so the coast number is well below your eventual target. The catch is the same as at any age: growth alone has to survive the market sequence it draws, which is what the historical success rate here shows.