EWMA step-response calculator
Compute the final smoothed value and the remaining influence of the starting target.
Your entries stay in this page’s memory and are not submitted to us. Downloads are generated locally. Reloading or leaving the page clears your entries. Do not enter patient information.
Enter a smoothing weight greater than zero and at most one. Use 1–500 regularly spaced values.
The starting values are hypothetical. Results update as you edit. Use aggregate or synthetic inputs only.
Calculation results
- Final EWMA
- 103.5
- Initial-target weight remaining
- 0.5625
- Updates
- 2
How to interpret the output
Assumes a fixed weight and a fixed initial target. Irregular timing changes the meaning of the memory. No control limits or alarms are generated. Method checked 9 November 2026.
Method reference