Enter a product's ramp-up, plateau and peak revenue, plus a market-entry delay. The tool computes the revenue lost against the no-delay baseline — split into the loss from the late start and the loss from the permanently lower plateau a delayed entrant reaches.

Weeks are whole numbers. Use a comma or a period for decimals; do not use thousands separators.

This is based on Joachim Pfeffer (2020): Produkt-Entwicklung Lean & Agil; Carl Hanser Verlag, München.