Retention & Progress Claim Calculator
Estimate progress claim amounts and retention withholdings based on contract sum, retention rates, and project completion parameters.
Interactive Calculator
$
%
%
$
Worked Example
Commercial Contract Claim
Contract Value: $500,000.00 Retention Rate: 5% Completion %: 65% Previously Claimed: $0.00 Gross Progress Claim: $325,000.00 Retention Held: $16,250.00 Max Retention (5% full value): $25,000.00 Net Payable This Claim: $308,750.00 Calculate retention limits carefully to maintain a positive cashflow balance throughout the project lifecycle.
Using this on a live tender?
Avoid manual measurement altogether. Send us the drawing set, and our team will prepare a standard-compliant takeoff and BOQ for you.