Retainer Fee Calculator
Work out exactly what to charge a client up front — whether that's a project deposit or a recurring monthly retainer — with the math and a copy-ready invoice line.
Use this for one-off projects where the client pays an upfront retainer/deposit before work starts.
Quick presets
Deposit breakdown
Upfront deposit (50%)
$2,500.00
Balance due on completion
$2,500.00
Total project value
$5,000.00
Preview:
Project deposit (50% of $5,000.00): $2,500.00 due upon signature; balance $2,500.00 due on completion.
This calculator is for guidance only and does not constitute legal or financial advice. Retainer terms — including refundability, scope, overage rates, and what happens to unused hours — must be spelled out in writing in your contract before you invoice the client.