Gaming (OSRS)Beginner6 min
OSRS Prayer Calculator Guide
Estimate prayer XP, supplies, and total training cost
Reviewed and updated for planning use on March 28, 2026.
Pick Your Training Method
Select bones or ashes, then enter target level to see total XP needed.
The calculator estimates quantity and total cost for each method.
Budget vs Speed
Compare cost per XP for different bones to balance budget and speed.
Use the totals to plan Grand Exchange purchases efficiently.
Try the Calculator
Jump straight into the calculator to run your numbers with the guide in mind.