Invoice Deposit Calculator
Split a project fee into the deposit you take upfront and the balance you invoice across milestones — so both sides know exactly what is due, and when.
By Clemens AndritschkeUpdated
Often 25–50% upfront.
How many to split the balance into.
Deposit upfront
$2,000.00
then 3 × $1,000.00
Why take a deposit and split the balance
A deposit protects you from the two most common ways fixed-price work goes wrong: a client who vanishes after the kickoff, and one who keeps the deliverables but pays slowly. Money upfront confirms commitment, covers your early costs, and means you are never funding a stranger's project out of your own pocket. Splitting the remaining balance into milestones keeps cash arriving as the work progresses, rather than waiting for one nervous payment at the end.
This calculator takes the total project fee, the share you want as a deposit, and the number of milestone invoices you plan to send for the rest. It returns the deposit, the outstanding balance, and the amount per milestone, so you can write clear figures into your proposal instead of rough guesses.
Choosing a deposit and milestone count
A deposit of 25–50% is typical for freelance and small-studio work. Lean higher for new clients, bespoke work you cannot resell, or projects with heavy upfront costs; lean lower for repeat clients you trust. The deposit is usually non-refundable once work starts, so say that in writing.
Tie milestones to deliverables a client can see — a design concept signed off, a build deployed to staging, a final handover — rather than to dates alone. Each completed milestone triggers its invoice, which keeps the project moving and your cash flow steady. Three to five milestones suit most projects; too many creates invoicing overhead, too few brings back the end-of-project lump-sum risk.
The deposit is a filter before it is cash flow
A deposit funds the start of the work, and that is its second-most-useful property. The first is what it tells you. A client who queries a standard deposit on a project they have agreed to is showing you, at the cheapest possible moment, how the final invoice is likely to go. That information is worth more than the money.
A third up front, a third at an agreed midpoint, and a third on delivery is a structure almost no one objects to, and it keeps your exposure to roughly one stage of work at any time. Do not start before the first payment clears — not as a matter of principle, but because the alternative is discovering the problem after you have delivered, when your only remaining leverage is the work you have already handed over.
Frequently asked questions
How big should a deposit be?
Is a deposit refundable?
Should the deposit count towards the total or be on top of it?
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