UKFree tool
Bid ROI calculator
Estimate the expected value of chasing an opportunity from its contract value, your margin, win probability, and what the proposal will cost to write.
$
%
%
$
Gross profit if won
$60,000
Expected profit (× win %)
$15,000
Expected value (− bid cost)
$7,000
Return on bid spend
0.9×
Positive expected value
You’d break even on bid cost at a 13% win rate.
Expected value = (contract value × margin × win probability) − bid cost. A planning estimate, not a forecast.