Start with the no-growth requirement
$50,000 divided by 36 months is $1,388.89. This baseline is valuable because it shows how much of the goal must come from you if interest adds nothing.
- 0% return, $0 saved: about $1,388.89 per month
- 3% modeled return, $0 saved: about $1,329.06
- 5% modeled return, $0 saved: about $1,290.21
- 3% modeled return, $5,000 saved: about $1,183.65
Separate current savings from emergency money
Count a starting balance only if it is genuinely assigned to this goal. Using the same $5,000 as both an emergency fund and part of the $50,000 target double-counts money and can force the goal off track after one unexpected expense.
Change the variable that creates the biggest relief
If $1,389 is not affordable, test a later deadline before assuming a higher return. Extending the goal to five years reduces the no-growth contribution to about $833.33 per month; a higher return assumption may lower the displayed payment but adds uncertainty.
Example: $5,000 saved and $1,000 available monthly
At 0% growth, $5,000 plus 36 deposits of $1,000 reaches $41,000, leaving a $9,000 gap. The gap can be closed by adding $250 per month, directing planned lump sums to the goal, or extending the date; assuming an unsupported return is not a reliable fix.
What to check before you decide
- A constant return assumption hides real price and rate changes.
- Current savings should not be counted twice across an emergency fund and another goal.
Sources behind this guide
These official and primary sources let you verify rules, definitions, and terms that may change.
Investor.gov — Savings Goal Calculator↗Investor.gov — Compound Interest Calculator↗CFPB — Set a goal, make a plan, and save automatically↗