About the Savings Goal Calculator
How much to save each month to reach a goal by a target date, accounting for what you already have and interest earned.
Also known as: savings target, how much to save per month, goal savings, wedding savings calculator.
How to use this calculator
- Enter savings goal, already saved, time to goal, interest rate.
- The result updates instantly as you type — press Calculate (or Enter) at any time.
- Review the breakdown shown under the main result.
- Use Copy result or Share to save the answer or send a link with your inputs.
Formula
PMT = (Goal − P(1 + r)ⁿ)·r / ((1 + r)ⁿ − 1)
Worked example
Using the values pre-filled in the calculator above:
- Savings goal = 20,000
- Already saved = 2,000
- Time to goal = 3 years
- Interest rate = 4 %
the calculator returns:
- Monthly saving needed: 464.77
- Weekly equivalent: 107.25
- Total you will deposit: 16,731.54
- Interest earned: 1,268.46