Docs

OSRS Dry Calculator — Drop Rate & Streak Probability

Technical reference documents covering the formulas, methodology, and data behind OSRS Dry Calculator — Drop Rate & Streak Probability. Use these to understand exactly how calculations are performed.

Drop Probability Formulas: The Three You Actually Need

The three formulas behind every OSRS dry question — chance by now, kills for a target confidence, and share of players still dry — each worked for 1/512.

Read doc →