Comprehensive Guide
Learn more in our Investing Guide.
How it works
net worth growth projector takes your inputs and produces 5-year net worth, 10-year net worth, 20-year net worth. Project net worth growth over 5-30 years based on savings rate, investment returns, and debt payoff. You provide 4 inputs: Current Net Worth (currency, in dollars) (default: 100000 dollars); Annual Savings/Investments (currency, in dollars) (default: 24000 dollars); Expected Return % (percent, in percent) (default: 7 percent); Projection Years (number) (default: 20). The calculator returns 3 outputs: 5-Year Net Worth (the primary result); 10-Year Net Worth (a secondary output); 20-Year Net Worth (a secondary output). Investment calculations rest on a few variables — principal, return rate, time, and compounding — but their interaction is non-linear enough that intuition alone gets the answer wrong more often than not. This tool runs the real formula with your inputs and shows the numbers that matter, not the rounded approximations from a textbook. With the default values, 5-year net worth is computed from the interaction of every input field — change any one of them and the result updates immediately, so you can stress-test different scenarios without re-entering the whole form. Adjust the inputs to match your real financial situation. The defaults are realistic starting points, but every person's circumstances differ — your actual income, expenses, rates, and timelines will produce a different answer. Use the tool iteratively: start with the defaults, then change one variable at a time to see which factor has the largest impact on your outcome.Tips
- Start with the default values to see a baseline result, then change one input at a time to understand which factor matters most for your outcome.
- Replace every default with your actual number — estimates and rules of thumb produce estimates, not answers. Pull your real figures from pay stubs, statements, or account dashboards.
- Use a conservative return rate (5-6% rather than the historical 10%) for planning purposes. Markets have long flat stretches, and planning on the average sets you up for a shortfall.