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Future Value of Savings Calculator

Future Value of Savings Calculator

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Calculator Scope
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This calculator projects how much your savings plan will be worth in the future, combining a starting lump sum with regular monthly contributions growing at a given annual rate.

This is the "forward" direction of savings planning: instead of solving for the deposit needed to hit a goal, you plug in what you're already planning to save and see where it lands. It combines compound growth on your starting balance with the future value of your ongoing monthly contributions.

Savers with an existing plan use this to check whether their current savings rate is on track for a target, or simply to see the payoff of consistent monthly saving over time.

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  • Two Growth Sources: Your starting deposit compounds on its own, while monthly contributions build up via the future-value-of-annuity formula.
  • Consistency Compounds: Small, regular contributions often outgrow a single larger deposit over long time horizons, thanks to how compounding rewards time in the market.
  • See the Interest Breakdown: The gap between what you contributed and the final value is pure growth from compounding.

Does the monthly deposit happen at the start or end of each month?

This calculator assumes deposits at the end of each month (an "ordinary annuity") — the most common convention for savings plan projections.

Can I use this for a workplace retirement account?

Yes — plug in your current balance as the initial deposit and your regular contribution as the monthly amount for a solid projection, though real accounts may vary contributions over time.