A target date follows from the entered saving schedule and return assumptions. Compare the first crossing, contributed capital and signed gain on the same date and dollar basis.
Choose what the target dollars mean
A million dollars is a numerical target, not a complete description of future purchasing power. Nominal mode compares the future account balance with the dollar amount you entered. Today-dollar mode removes the modeled effect of inflation before testing that same target. The two crossing dates can therefore differ substantially without either calculation contradicting the other. Current savings belong to the opening date, while each later deposit has its own timing. In purchasing-power mode, contributed capital discounts those deposits individually rather than treating every dollar as though it arrived at the beginning. The difference between the discounted ending balance and that dated capital is the displayed real gain or loss. Negative real gain can occur even with zero nominal return because inflation reduces the value of money already held. Read the basis label before comparing any card, table or chart point. Both the nominal and purchasing-power timelines remain visible, and the CSV retains the underlying nominal amounts as well as both real components.
Keep changing contributions and the deadline consistent
Start with the fixed monthly contribution before adding schedule changes. The opening month values existing savings at month-end, and the first scheduled deposit follows one month later plus any delay. Annual increases occur after each twelve-month saving anniversary, measured from that first scheduled deposit. A pause suppresses the actual deposits in its inclusive date range while investment growth and scheduled anniversaries continue. An optional maximum bounds the total scheduled deposit, including additional voluntary saving, and a final increase month stops later increases. These rules also apply to the separate deadline calculation. Its result is the initial monthly contribution needed at the selected deadline, rather than a description of the first crossing under the current contribution. Review the proposed change before applying it. A cap or a deadline containing no available deposit dates can make the goal infeasible under those assumptions. A numerical limit or unreliable result is reported separately. Extra saving is a voluntary amount in this model; age does not establish an account limit or eligibility rule.
Compare saving choices and retain the evidence
The current, delayed and higher-saving scenarios hold the assumed investment return and inflation fixed. That helps distinguish a change in saving behavior from a more optimistic market assumption. Compare whole-month differences only when both scenarios have a verified crossing; a missing crossing does not justify inventing a time saving. Inspect the monthly chart point and the exact crossing row when an annual checkpoint seems to tell a different story. Already-funded targets use the opening balance, while an unachieved target uses clearly labeled horizon totals. The calculation covers up to one hundred years and can identify some mathematically bounded never cases, but that boundary is not a prediction of investment performance. Taxes, fees, market sequences and personal account rules are excluded. Financial inputs remain in the page until you explicitly choose device saving or approve their inclusion in a shared link. Existing stored numerical values are preserved for review rather than reconstructed from a guessed input language. Download the canonical monthly CSV when you need the fullest record of the assumptions and schedule.