Retainage Calculator
Calculate construction retainage amounts, progress payments, and retained balances. Supports retainage cap percentages.
Inputs
Results
Net Amount Paid
$810,000.00
≈ 19 Teslas
Retainage Held
$90,000.00
≈ 8 years of state college
How to Use This Calculator
- Enter Contract Value, Progress Complete, and Retainage Rate.
- Set Retainage Cap.
- Review Net Amount Paid ($) and Retainage Held ($).
- Use Total Retained ($) and Net Payment ($) to inform your decision.
- Use the chart to visualize the results and explore different scenarios by adjusting inputs.
How the result changes with Contract Value
| Contract Value | Net Amount Paid | Retainage Held |
|---|---|---|
| $10,009,000.00 | $4,053,645.00 | $450,405.00 |
| $35,006,500.00 | $14,177,632.50 | $1,575,292.50 |
| $65,003,500.00 | $26,326,417.50 | $2,925,157.50 |
| $90,001,000.00 | $36,450,405.00 | $4,050,045.00 |
What each input means
- Contract Value
- Total contract amount including all approved change orders.
- Progress Complete
- Cumulative percent of work completed to date.
- Retainage Rate
- Percentage withheld from each progress payment (typically 5-10%).
- Retainage Cap
- Once this % complete, retainage may be reduced or capped per contract terms.
What each result means
- Net Amount Paid
- Total paid to contractor after retainage deduction.
- Retainage Held
- Total retainage withheld to date.
- Total Retained
- Cumulative retainage held on the project.
- Net Payment
- Net payment after retainage deductions.
How this is calculated
Worked example, using the default values
- Identify Input Parameters4 parametersContract Value = 2000000, Progress Complete = 45, Retainage Rate = 10, Retainage Cap = 50 = 4 input(s) provided
- Calculate Net Amount PaidNet Amount Paid810000 = $810,000
- Calculate Retainage Held90000 = $90,000
- Calculate Total RetainedTotal Retained90000 = $90,000
- Calculate Net PaymentNet Payment810000 = $810,000
Engine last updated . Checked against 3 independently-derived tests — how we verify calculators.
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