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

Project Management

Resource Capacity Planning Calculator

Calculate the total available working hours for a team over a sprint or planning period, adjusting for availability and a planning buffer. Use it before sprint planning or project kickoff to set realistic commitments.

Fill in the required fields to see your result.
Project Management

Schedule Performance Index Calculator

Calculate the Schedule Performance Index (SPI) — the ratio of Earned Value to Planned Value — to measure whether a project is ahead of, on, or behind schedule. Use it as a core EVM metric for project status reporting and forecasting completion.

Fill in the required fields to see your result.

Key differences

Resource Capacity Planning CalculatorSchedule Performance Index Calculator
CategoryProject ManagementProject Management
Inputs required52
ResultAvailable Capacity (hours)Schedule Performance Index
What it doesCalculate the total available working hours for a team over a sprint or planning period, adjusting for availability and a planning buffer. Use it before sprint planning or project kickoff to set realistic commitments.Calculate the Schedule Performance Index (SPI) — the ratio of Earned Value to Planned Value — to measure whether a project is ahead of, on, or behind schedule. Use it as a core EVM metric for project status reporting and forecasting completion.