Why spending matters twice
The years until financial independence depend mostly on one ratio: how much of your income you spend. Lowering spending helps twice, because it frees up more money to invest and it shrinks the target, since a smaller lifestyle needs a smaller portfolio. The bars show how sensitive the answer is: spending $5,000 less a year can bring FI several years closer.
With $90,000 of take-home income, $55,000 of spending and $60,000 already invested at a 5% real return, financial independence arrives in about 20 years. The target is 25 times spending at a 4% withdrawal rate.
Treat it as a compass
Real life will not follow a straight line. Income usually rises over a career, spending changes with children and housing, and markets do not deliver a smooth 5% every year. Rerun the numbers once a year and use the result to check direction rather than as a fixed date.
Common questions
How many years does it take to reach FI?
From zero at a 5% real return, roughly 50 years at a 10% savings rate, 28 years at 30%, 16 years at 50% and 10 years at 65%.
Does this include Social Security?
No. Expected pension or Social Security income can reduce the portfolio you need; see the FIRE number calculator.
What return should I use?
A real return of 4% to 5% is a common conservative assumption for a stock-heavy portfolio.
This calculator gives estimates for planning. Real returns, rates and prices change, so treat the result as a guide rather than a promise. Read how we build and check our calculators.