Savings
What Is a Sinking Fund?
What is a sinking fund
A sinking fund is savings set aside for one specific, planned expense, money you save toward gradually so you can make the purchase without reaching for credit when the time comes. Unlike a general savings account that can hold money for several purposes at once, a sinking fund is designed for one goal: a vacation, a wedding, a new appliance, or anything else you can see coming and put a number on in advance.
How to start a sinking fund
Pick a goal and amount: define the specific purchase and research what it actually costs
Choose a savings vehicle: a savings account, a money market account, or a certificate of deposit (CD)
Set a timeline: work out how much to save each month to reach the goal by your target date
Monthly Savings Needed = Goal Amount ÷ Months Until Needed
Example sinking fund goals
| Goal | Cost | Timeline | Monthly Savings |
|---|---|---|---|
| Holiday gifts | $600 | 10 months | $60/mo |
| New furniture | $1,200 | 6 months | $200/mo |
| Vacation | $2,400 | 12 months | $200/mo |
| Engagement ring | $5,000 | 20 months | $250/mo |
A budgeting method like the envelope system or the 50/30/20 rule can help you find room for that monthly contribution without it feeling like a separate, painful cut. If you're carrying high-interest debt, it's worth weighing a sinking fund against putting that money toward the debt instead, since the interest you'd pay often outweighs what you'd earn saving in parallel.
Common sinking fund categories
Sinking funds work best for expenses you can see coming well in advance. Common categories include holiday gifts, large appliances or expensive electronics, furniture, an engagement ring or wedding, and vacations, anything with a known rough cost and a target date you can plan around.
Where to keep it
Where you keep a sinking fund depends on how soon you'll need the money. A checking account keeps it fully liquid but earns little to nothing. A high-yield online savings account or money market account earns more while still staying accessible within a day or two. A certificate of deposit (CD) can earn a stronger rate for a fund with a fixed, known timeline, but ties the money up until it matures, so it's a better fit when your target date is firm.
Sinking fund vs. emergency fund
These two are easy to confuse because both involve setting money aside ahead of time to avoid debt, but they solve different problems.
🛡️ Emergency Fund
Safety net
Covers the unexpected: a job loss, a medical bill, a major repair. You don't know exactly what you're saving for, only that something eventually will go wrong. See What Is an Emergency Fund?.
🎯 Sinking Fund
Goal-based savings bucket
Covers a specific, planned purchase with a known cost and target date, like a vacation or a wedding. You know exactly what the money is for before you start saving it.
Side by side
| Dimension | Emergency Fund | Sinking Fund |
|---|---|---|
| Purpose | Unexpected financial shocks | A known, planned expense |
| Predictability | Unknown what and when | Known cost and target date |
| Typical size | A few months of expenses | The cost of the specific goal |
| Number of funds | Usually one | Often several, one per goal |
| End date | None, it's ongoing | Ends when the goal is reached or bought |
| Example trigger | Job loss, medical bill, car breakdown | Vacation, holiday gifts, a wedding |
Keeping them separate matters: if a planned purchase quietly draws down the same pool of money you're counting on for a real emergency, you lose track of how protected you actually are. Most people end up running both side by side, an emergency fund for the unknown and one or more sinking funds for the goals they can already see coming.
Track it as a goal
A sinking fund is really just a savings goal with a name, a target amount, and a date attached, which is exactly what Fyscal Money's Goals feature is built for. Create a goal for each sinking fund, link it to the account you're saving in, and Fyscal Money automatically adjusts your required monthly contribution to keep you on track for the target date, even if you miss a month along the way.