Sinking Fund Calculator
A sinking fund is money you set aside a little at a time for a known future expense — a car repair, holidays, insurance, a vacation. This shows how much to save each month to be ready in time.
Your details
- Per week
- $115.38
- Still to save
- $10,000.00
Formula
Monthly contribution = (amount needed − already saved) ÷ months until you need it. No return is assumed, since sinking funds are usually kept in cash.
How it works
Sinking funds turn big, irregular expenses into small, predictable monthly amounts, so they never blow up your budget or land on a credit card. Give each goal its own fund and automate the transfer.
Frequently asked questions
What is a sinking fund?⌄
A savings pot you build gradually for a specific planned expense, so the money is ready when the bill arrives instead of catching you off guard.
How is a sinking fund different from an emergency fund?⌄
A sinking fund is for known, planned costs (a trip, new tires, annual insurance). An emergency fund is for unexpected events like job loss or a medical bill.
Where should I keep it?⌄
Usually in cash — a high-yield savings account keeps it safe, accessible, and earning a little while you build toward the goal.
Sources & methodology
(Goal − saved) ÷ months, no assumed return. Kept simple because sinking funds are typically held in cash.
Embed this calculator⌄
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