Work out peak load forecast instantly with clear inputs, formula shown and shareable results.
Capacity must be sized for peak, not average, so the peak-to-average ratio is as important as the growth rate. Consumer services commonly run 3 to 5 times average at peak, and internal tools much higher because usage clusters in working hours. Compounding the average and then applying the ratio keeps the two factors separate and visible.
Peak forecast
future average = current average x (1 + annual growth)^(months/12); forecast peak = future average x peak-to-average ratio
It usually falls slightly as the user base spreads across time zones, so assuming it is constant is mildly conservative — which is the safe direction.
Yes. A launch or campaign can produce a spike well beyond the organic ratio, and it should be planned as a discrete event with its own capacity reservation.