Gaming (OSRS)Intermediate6 min
OSRS Dry Streak Calculator Guide
Understand drop rate probabilities and dry streak odds
Probability Inputs
Enter the drop rate and number of attempts to see the chance of going dry.
Use the calculator to compare expected vs unlucky outcomes.
Decision Support
Estimate how many kills you need for a reasonable chance at a drop.
Use the odds to set realistic grind goals.
Try the Calculator
Jump straight into the calculator to run your numbers with the guide in mind.