Old School RuneScape

OSRS Calculators
By Theoatrix

Skilling costs, boss drop odds, profit per hour and combat maths.

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How the prices work

Real-time Grand Exchange prices are crawled from the OSRS Wiki Real-time Prices API on a schedule into our own database, so every calculator loads instantly instead of calling that API from your browser. Linking a RuneScape username uses a separate service, the WiseOldMan API, to pull your current XP and levels straight from the Hiscores.