Track both, but lean on the one that fits your stage. Your savings rate measures what you control, your habits, and it drives progress in the early years. Your net worth (or, more usefully, your investable portfolio against your FIRE number) measures results, and it takes over once market growth starts rivaling what you save. A good rule: focus on savings rate until your portfolio’s typical yearly growth is close to your yearly savings, then shift your attention to the portfolio.
Here’s why each metric matters, when to switch, and a low-effort way to track both.
Savings rate: the metric you control #
Your savings rate is the share of your income you keep and invest. The version most FIRE planners use:
Savings rate = amount saved ÷ take-home pay (add pre-tax 401(k) and HSA contributions to both the top and bottom)
Why it matters so much #
A household earning $250,000 that spends $240,000 saves 4%. A household earning $80,000 that saves $32,000 saves 40%. The second household will reach financial independence decades sooner, because savings rate does two things at once: it sets how fast your pile grows and how much you spend, which sets how big the pile needs to be.
At a 10% savings rate, every year of work covers about a month of retirement spending. At 50%, every year of work covers a full year. That’s why our savings rate and retirement date table shows about 51 years to FI at 10% and about 17 at 50%, starting from zero with a 5% real return.
When to focus on it #
Early, when your balance is small. If you have $10,000 invested, a great 10% market year earns $1,000. Saving an extra $5,000 that year is five times more powerful. In this phase, the market is noise and your savings rate is almost the whole story.
Net worth: the scoreboard #
Net worth = everything you own − everything you owe
| Assets | Liabilities |
|---|---|
| Cash, 401(k), IRA, HSA, brokerage accounts | Credit cards, student loans, auto loans |
| Home value, other property | Mortgage balance |
| Business equity | Other debts |
Why it matters #
Net worth captures what savings rate ignores: investment growth, debt payoff, and market swings. Your FIRE date arrives when your investable assets reach your FIRE number, so at some point you have to watch the balance.
For FIRE purposes, a cleaner number than total net worth is investable assets divided by your FIRE number, your percentage of the way to financial independence. It leaves out your home (which doesn’t pay for groceries) and your car, and it tells you directly how close you are.
When to focus on it #
When market growth starts to rival your savings. The crossover arrives when your portfolio times your expected return roughly equals what you save in a year. At a 7% expected return, that’s when your portfolio reaches about 14 times your annual savings. Someone saving $20,000 a year crosses over around $285,000. Past that point, a typical year of growth adds as much as a year of saving, and in a good year far more.
How the two compare #
| Savings rate | Net worth / FI percentage | |
|---|---|---|
| What it measures | Habits and cash flow | Accumulated results |
| How much you control it | A lot | Partly (markets move it) |
| Most useful | Early accumulation | Mid-to-late accumulation and retirement |
| What it misses | Returns, debt, fees | Whether your habits are slipping |
| What to do when it’s off | Adjust spending or income | Rebalance, pay down debt, stay the course |
Why one metric alone can mislead you #
High savings rate, stuck net worth. Someone saves 60% of their pay but leaves it in a checking account because markets scare them. Their savings rate looks excellent, but inflation eats the balance, and they’ll never reach a number that supports a long retirement. Tracking the portfolio would show the problem.
Rising net worth, no savings. Someone’s house has doubled in value, and their net worth looks great. But they save nothing and spend every paycheck. Home equity can’t pay for groceries in retirement unless they sell or borrow. Tracking savings rate would show the problem.
A market drop. In 2022 the S&P 500 fell about 18%, per NYU Stern data. Net worth fell for nearly every investor, however disciplined. Someone watching only net worth might have felt like a failure. Someone who also tracked savings rate could see their habits were fine and that they were buying at lower prices.
A simple way to track both #
- Weekly or monthly: log what you saved. It takes a minute and keeps your savings rate front and center. If you’re self-employed, use a trailing 12-month figure (freelancer savings rate explains why).
- Monthly or quarterly: update balances. Checking daily makes you react to noise. Quarterly is plenty for net worth.
- Once a year: compare to your FIRE number and check your projected date.
Whether to include your employer match and whether to use gross or net income are judgment calls. Pick one method and keep it; gross vs. net savings rate walks through the options.
Retire Goals puts both sides on one dashboard: your total portfolio value and years left, alongside this month’s contributions and a weekly saving streak, with each goal’s progress bar underneath. You log contributions yourself (it never connects to your bank), and each one moves the projected finish date. It tracks your retirement goals rather than your full balance sheet, so keep debts and home equity in a separate net worth list if you want the complete picture.
Frequently asked questions #
Should I include my home in net worth? #
Yes. Your home is an asset and your mortgage is a liability, so both belong in net worth. For your FIRE number, though, leave your home out unless you plan to sell, downsize or rent it, because you can’t spend home equity without doing one of those.
Does my employer 401(k) match count toward my savings rate? #
It can, as long as you’re consistent. If you count the match as savings, add it to your income too. Counting it shows the true speed at which your wealth is growing.
What is a good savings rate for FIRE? #
A traditional retirement plan usually targets 10% to 15%. Early retirement usually needs 30% to 50% or more. A 50% rate gets you to FI in roughly 15 to 17 years from zero, depending on returns.
How do I stay motivated when a market crash lowers my net worth? #
Switch your focus to your savings rate for a while. It’s the part you control, and it stays steady even when markets don’t. Buying during a downturn at lower prices is what sets up the recovery; the first $100,000 guide covers how that plays out early on.