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QUELCE Cost Estimation Method

This information sheet introduces the Quantifying Uncertainty in Early Lifecycle Cost Estimation (QUELCE) method, which enables more accurate cost estimates.

Software Engineering Institute


Cost overruns in large-scale programs are common, with a $32 billion cost overrun growth in the DoD R&D portfolio for the past five years alone. Studies have implicated poor cost estimation, including early lifecycle estimates, as a contributor. QUELCE is a new approach to cost estimation that provides better estimates by producing more informed inputs to existing estimating processes and tools. It is a repeatable method that anticipates and documents risks and sources of uncertainty that may impact future cost.