Savings Goal Calculator

A savings goal is really just a finish line and a pace. This calculator walks your money forward one month at a time until it crosses that line. Each month it does two things in order: it adds interest to whatever balance you've got, then drops in your monthly contribution. It repeats that loop, counting months, until the running balance reaches your target — and that count is your timeline.

The interest part uses your APY ÷ 12 as a monthly rate. That's the same way a high-yield savings account actually pays you: a slice of the annual rate every month, applied to the balance you already have. Because the contribution lands after interest each month, the money you put in this month doesn't earn anything until next month — which is exactly how real accounts behave, and why starting sooner with a smaller amount usually beats starting later with a bigger one.

Why the monthly amount matters most

For most everyday goals — a vacation, a new laptop, a few months of expenses — your contribution does nearly all the heavy lifting and interest is a rounding error. Save $300 a month toward a $3,600 goal and you're there in a year whether the account pays 0% or 4%. That's why the contribution is a slider here: it's the one lever that reliably moves your finish date. Nudge it up by $50 and watch the target date jump closer.

Interest only starts to pull real weight on multi-year goals, where compounding has the runway to stack month on month. A down payment you're building over five years in a 4% high-yield account will land meaningfully sooner than the same dollars sitting in a near-0% checking account. The rule of thumb: the longer the goal, the more the rate matters — but it never replaces the habit of putting money in.

How to use the results

Start by entering what you've already saved as current saved so the timeline begins from reality, not zero — that alone can shave months off the estimate. Then find a monthly contribution you can actually sustain. A classic starting point is the 20% savings slice of a 50/30/20 budget, but the best number is the largest one you won't have to claw back next month. If the date feels too far out, slide the contribution up; if it's squeezing the rest of your budget, slide it down and accept a later date. The next step is making sure that contribution is planned every month, which is what a zero-based budget is for.