estimation-and-sizing

To standardize effort estimates, apply consistent sizing methods like story points and T-shirt sizes across planning horizons, using reference stories to calibrate sizing and align team forecasts.

Calibrate story points by documenting reference stories as baselines, comparing new backlog items against them, and tracking actuals versus estimates to maintain a rolling velocity baseline.

Use T-shirt sizing for high-level epic and roadmap planning, and apply story points for sprint-level estimation, ensuring consistent effort sizing methods across different planning horizons.

Track velocity by maintaining a rolling baseline from completed sprints, comparing actuals against initial estimates, and running regular calibration cycles to improve forecast accuracy and rebalance scope.

Agile estimates become inconsistent without standardized sizing. Improve predictability by documenting reference stories, applying uniform estimation methods, and tracking actuals versus estimates for calibration.