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Coast FIRE: $200K Saved, Retire at 70

With $200K saved at age 30 and a target retirement age of 70, your Coast FIRE number is $217,840. You're $17,840 short of your Coast FIRE target. With additional savings of $10,000/year, you could reach your Coast FIRE number in approximately 2 years, after which your investments would grow to $1,000,000 on their own by age 70.

Personal Details

Finances

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Assumptions

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Coast FIRE Number

$217,840

How much you need saved today so compound growth finishes the job

Coast Status

100+ more years of saving needed

Summary

Traditional FIRE Number$1,000,000
Coast FIRE Number$217,840
Current Savings$200,000
Surplus / Deficit-$17,840
Years Until Coast100+

What This Means

Coast FIRE means having enough invested that compound growth alone will bring your portfolio to your full FIRE number by your target retirement age, without any additional contributions. Your full FIRE number is $1,000,000, calculated as 25x your $40,000 annual expenses using the 4% safe withdrawal rate. To find your Coast FIRE number, we discount $1,000,000 back 40 years at a 3.9% real return (7% nominal minus 3% inflation), giving $217,840. With $200K saved, you're $17,840 short. Continuing to save $10K/year would close the gap in roughly 2 years, after which you could stop all retirement contributions.

Frequently Asked Questions

What is the Coast FIRE number with $200K saved?
To retire at 70 with $40,000 in annual expenses, your Coast FIRE number is $217,840. This is the amount you need invested today at age 30 so that compound growth at a 3.9% real return reaches your full FIRE number of $1,000,000 by age 70, with no additional contributions.
Can I stop saving for retirement with $200K?
Not yet. Your Coast FIRE number is $217,840, and you currently have $200K saved. You need an additional $17,840 invested to reach Coast FIRE. With $10K/year in additional savings, you'd reach this milestone in approximately 2 years.
How does retiring at 70 affect my Coast FIRE number?
Retiring at 70 gives your investments 40 years to grow from age 30. A later retirement age means a lower Coast FIRE number because compound growth has more time to work. Your Coast FIRE number of $217,840 is calculated by discounting the $1,000,000 FIRE number back 40 years at a 3.9% real return.

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