Savings Goal Calculator
Find out how much you need to save each month to reach a specific target by a specific date. Enter the goal amount, how much you've already saved, the interest rate your savings earn, and how long you have — the calculator returns the required monthly deposit.
Enter your savings goal
Enter your goal and press Calculate savings.
Goal savings formula
FV_goal = PV · (1 + r)^n + PMT · [ ((1 + r)^n − 1) / r ]
Solve for the contribution PMT given the target FV_goal:
PMT = (FV_goal − PV · (1 + r)^n) · r / ((1 + r)^n − 1)
Where PV is the current savings, r is the rate per contribution period, and n is the total number of contributions.
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Frequently asked questions
For a typical savings account, use the current AER (annual equivalent rate). For a cash ISA, use the ISA rate. For an investment-based goal (stocks and shares ISA), a conservative long-term assumption is 4–6% after fees, but these returns are not guaranteed. Never project a rate you couldn't survive falling short of.
Yes — add 5–10% as a buffer. Interest rates can change, unexpected expenses may force you to pause contributions, and inflation reduces what your target amount actually buys. Over-saving gives you a margin of safety.