Compare calculators

Both calculators run independently — change the inputs on either side to compare results.

Risk Impact Assessment Calculator

Quantifies the net financial exposure of a project risk after mitigation, scaled over your planning horizon. Use it when deciding whether a risk response plan is worth its cost.

Impact Cost if Risk Occurs ($)

Probability of Occurrence (%)

Risk Mitigation Cost ($)

Mitigation Effectiveness

Project Time Horizon (months)

Fill in the required fields to see your result.

Project Management

Cost Performance Index Calculator

Calculate the Cost Performance Index (CPI) — the ratio of Earned Value to Actual Cost — to measure cost efficiency. Use it as a core EVM metric to determine whether the project is delivering value efficiently or overrunning the budget.

Earned Value ($)

Actual Cost ($)

Fill in the required fields to see your result.

Key differences

	Risk Impact Assessment Calculator	Cost Performance Index Calculator
Category	Project Management	Project Management
Inputs required	5	2
Result	Expected Risk Exposure ($)	Cost Performance Index
What it does	Quantifies the net financial exposure of a project risk after mitigation, scaled over your planning horizon. Use it when deciding whether a risk response plan is worth its cost.	Calculate the Cost Performance Index (CPI) — the ratio of Earned Value to Actual Cost — to measure cost efficiency. Use it as a core EVM metric to determine whether the project is delivering value efficiently or overrunning the budget.