Calculate how many years until you can retire based on your savings rate, investment returns, and target retirement expenses. Uses the 4% rule.
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A mid-level software engineer in Austin, TX is comparing a $130,000 W-2 offer against their current $115,000 role. The new offer includes a $10,000 signing bonus and 0.1% equity in a Series B company.
Takeaway: Texas has no state income tax, which inflates take-home vs. the same offer in California (~9.3% marginal) or New York (~6.85%). Run the comparison with your state's rate above.
Take-home calculators estimate withholding based on single/married status and claimed allowances. If you have side income, multiple jobs, or itemized deductions, your actual withholding will differ. The IRS Tax Withholding Estimator is the most accurate tool for W-4 calibration.
Nine states have no income tax (TX, FL, WA, NV, AK, SD, WY, TN, NH). California tops out at 13.3% marginal. State tax can shift your net paycheck by $200-$1,000/month on a $100K salary. Always select your state before reading take-home results.
Cost of Living Salary AdjustmentEmployer-paid health insurance, 401(k) match, HSA contributions, and paid leave have real dollar value — typically $8,000-$25,000/year for a mid-career employee. Comparing two offers on base salary alone ignores a major component of total compensation.
Benefits Value CalculatorW-2 employees pay 7.65% FICA (SS + Medicare); employers match it invisibly. 1099 contractors pay the full 15.3% self-employment tax. A $100K 1099 contract has roughly $7,650 more tax friction than a $100K W-2 salary before any other adjustments.
1099 vs W-2 Tax ComparisonBonuses are withheld at a flat 22% federal supplemental rate (or 37% over $1M) — not your effective rate. Your actual tax on the bonus is determined at year-end filing. If your marginal rate is below 22%, you'll get a refund; above, you may owe.
Bonus Tax CalculatorBased on your inputs
Retire at age 56
| Retirement Target | $1,250,000 |
|---|---|
| Years Until Retirement | 26 years |
| Retirement Age | Age 56 |
| Projected Final Balance | $1,320,515 |
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The 4% rule states you can safely withdraw 4% of your portfolio each year in retirement. To retire, you need 25× your annual expenses saved.
Using the 4% rule: if you spend $50,000/year, you need $1.25 million. Multiply your annual expenses by 25 to get your target.
A 50% savings rate leads to retirement in ~17 years. A 75% savings rate gets you there in ~7 years. Higher savings rates dramatically accelerate retirement.
Yes. If you'll receive Social Security, you need less saved. Subtract your expected SS income from annual expenses to get your adjusted retirement target.
Higher returns dramatically shorten the timeline. At a 5 percent return, saving $2,000 per month takes 22 years to reach $1 million. At 8 percent, it takes only 18 years due to compounding growth.
FIRE stands for Financial Independence, Retire Early. It uses the 25x rule where you need 25 times your annual expenses saved. By aggressively saving 50 to 70 percent of income, some achieve retirement in 10 to 15 years.
Use real returns by subtracting inflation from your expected investment return. If you expect 8 percent returns and 3 percent inflation, plan using 5 percent real returns to maintain purchasing power in retirement.
The earlier the better due to compound growth. Starting at 25 versus 35 with $500 per month at 7 percent returns yields $1.2 million versus $567,000 by age 65, more than double for just 10 extra years of saving.
A common benchmark is 3 times your annual salary by age 40. If you earn $80,000, aim for $240,000 in retirement savings. Fidelity recommends 1x salary by 30, 3x by 40, 6x by 50, and 8x by 60.
A pension can significantly accelerate retirement since it provides historically reliable income. Subtract your expected annual pension benefit from your target expenses to determine how much additional savings you need.
Retirement Target = Annual Expenses × (100 ÷ Withdrawal Rate)
4% rule: Target = Annual Expenses × 25
Balance grows: B = B × (1 + r) + Annual Savings
Every formula on this page traces to a federal agency, central bank, or peer-reviewed institution. We cite the rule-makers, not secondhand blogs.
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Calculations are for educational purposes only. Consult a qualified financial advisor for personalized advice.