OSRS ZMI Calculator
Estimated ZMI Gains
Rune Type:
Experience Earned: XP
Runes Crafted:
XP per Hour: XP/hr
Runes per Hour:
Frequently Asked Questions
What is the ZMI Altar?
The ZMI Altar is a high-experience Runecrafting method in OSRS.
How do I use this calculator?
Input level, hours, rune type, and optional boosts to get estimated XP and runes.
Do pouches increase XP?
Pouches allow carrying extra essence, slightly increasing runes crafted but not XP per essence.
What is Spirit Altar bonus?
Spirit Altar provides extra XP when used with certain prayers or effects.
Can familiars increase XP?
Beast of Burden familiars increase efficiency by carrying more essence, slightly boosting total runes.
Is level important?
Yes, higher Runecrafting levels slightly increase XP and runes crafted.
Can I calculate multiple rune types?
Select a rune type each time for XP/run calculations.
Does this include bonus XP lamps?
No, only base XP plus selected boosts are calculated.
Can I use this on mobile?
Yes, it is fully responsive for desktop and mobile devices.
Are the results exact?
These are estimates; actual in-game results may vary due to RNG and other factors.