Monthly Income Planner
Plan how much you need to invest to reach your monthly income goals. Calculate the portfolio size required and see if you're on track with your current savings plan.
Financial independence starts with knowing your numbers. This calculator helps you determine exactly how much you need to save and invest to generate your target monthly income from investments. Whether planning for retirement or financial freedom, create a clear roadmap to reach your income goals.
Calculator Inputs
Your current job/business income (excluding investment income)
Your Results
Required Portfolio Size
Total Current Monthly Income
Future Total Monthly Income
Monthly Income Gap
Additional Investment Needed
Income Planning Strategies
The Math Behind Your Target
The core formula is simple: required portfolio = annual income needed ÷ yield. Want $5,000 a month ($60,000 a year) at a 4% yield? You need $1.5 million invested. At 5%, that drops to $1.2 million. At 3%, it jumps to $2 million.
Notice how sensitive the target is to your yield assumption. A single percentage point can move the goalpost by hundreds of thousands of dollars, which is why it pays to run a few scenarios rather than betting your plan on one number.
The 4% Rule
The classic retirement guideline says you can withdraw about 4% of your portfolio in year one, adjust for inflation each year after, and have a strong chance of the money lasting 30 years. Flip it around and you get the handy version: save roughly 25 times your annual expenses.
It's a starting point, not a law of physics. Retiring early or wanting extra cushion? Some planners use 3.5% instead, which means saving closer to 28-30 times expenses.
Choosing a Realistic Yield
Diversified dividend portfolios and bond funds have historically tended to land somewhere in the 3-5% range. You can find investments advertising much higher yields - certain REITs, covered-call funds, high-yield bonds - but an unusually fat yield is usually the market's way of pricing in extra risk.
A sustainable plan built on a modest yield beats an ambitious plan built on a yield that gets cut the first time markets wobble.
Closing the Gap
If the calculator shows a shortfall, you have three levers: invest more each month, give the plan more time, or trim the income target. Small changes compound - an extra $200 a month over 15 years adds far more than $36,000 to the final portfolio because every contribution keeps growing.
And don't overlook the fourth lever hiding in plain sight: growing your income. A raise or side income funneled straight into investments accelerates everything.
Don't Forget Inflation
A monthly income target that covers your lifestyle today won't buy the same groceries in 15 or 20 years. Prices creep, and over long horizons the creep adds up substantially.
Two easy fixes: set your target income a bit above what you'd need today, or plan to keep part of your portfolio in growth investments even after you start drawing income, so the portfolio itself keeps pace with rising costs.
Income Strategy Tips
- • Diversify across dividend stocks, bonds, and REITs
- • Favor tax-efficient income sources where you can
- • Keep a cash buffer so market dips don't force sales
- • Reinvest all income during the accumulation phase
- • Revisit your plan yearly - yields and expenses both drift
Frequently Asked Questions
How much money do I need invested to make $5,000 a month?
Divide the annual income by your expected yield. $60,000 a year at a 4% yield requires $1.5 million; at 5% it's $1.2 million; at 3% it's $2 million. The yield assumption matters enormously, so run the numbers with a conservative figure before counting on an optimistic one.
What is the 4% rule and does it still work?
The 4% rule says withdrawing 4% of your portfolio in the first year of retirement, then adjusting for inflation, has historically lasted at least 30 years. It's still a reasonable starting point, though people retiring early or wanting more safety margin often plan around 3.5% instead.
What's a realistic yield for income investing?
Diversified dividend portfolios and bond funds have historically tended to yield in the 3-5% range. Anything advertising double-digit yields usually carries meaningful risk of price declines or dividend cuts. Conservative assumptions make for plans that survive bad years.
Is it better to live off dividends or sell shares?
Mathematically they're closer than they feel - what matters is total return, not whether the cash arrives as a dividend or a sale. Dividends feel safer psychologically and require no decisions, while selling shares gives you more control over timing and taxes. Many retirees blend both.
Can I retire early on investment income?
Yes - that's the whole idea behind the FIRE movement. The usual benchmark is a portfolio of 25-30 times your annual spending. The hard parts aren't the math: health insurance before Medicare, decades of inflation, and sequence-of-returns risk in the early years all deserve real planning.
What should I do if I'm behind on my income goal?
Pull one of three levers: contribute more each month, extend your timeline, or lower the target. Even modest increases help more than you'd expect because every extra dollar compounds for years. Automating a contribution bump each time you get a raise is one of the easiest fixes.
Do I pay taxes on investment income?
Usually, yes. Qualified dividends and long-term capital gains are generally taxed at lower rates than wages, while bond interest is typically taxed as ordinary income. Holding income investments in tax-advantaged accounts like IRAs and 401(k)s can change the picture considerably, so location matters.
Should I count Social Security or a pension in my plan?
Absolutely - once they start, they reduce how much income your portfolio has to generate. Many people plan in two phases: a bridge period funded entirely by investments, then a lighter withdrawal rate after benefits kick in. Enter those benefits as part of your current monthly income when they begin.