A score is a conversation, not a verdict.
RICE makes trade-offs visible and comparable. It's a great way to argue well, and a poor substitute for judgement.
(Reach × Impact × Confidence) ÷ Effort
The Formula
Reach
How many people it affects in a set period.
Impact
How much it moves the outcome for each of them.
Confidence
How sure you are, based on evidence, not hope.
Effort
Person-time to build, test and ship it.
Source: Intercom ↗
Score to debate, not to decide.