OSRS Drop Calculator › Giant rat bone

Best way to farm Giant rat bone

All 6 monsters that drop Giant rat bone, ranked by realistic quantity per hour — not just drop rate. Change the seconds-per-kill for any monster to match your own speed.

Currently fastest method
Zombie rat
1,200 / hr
Monster Drops (rarity · quantity) Avg/kill Sec/kill Kills/hr Qty/hr
Zombie rat
Combat lvl 3
Always · 1
1 3 1,200 1,200
Dungeon rat (Normal)
Combat lvl 12
Always · 1
1 5 720 720
Giant rat (Low level)
Always · 1
1 5 720 720
Giant rat (Level 26)
Always · 1
1 8 450 450
Blessed giant rat
Combat lvl 9
Always · 1
1 10 360 360
Giant crypt rat
Combat lvl 76
Always · 1
1 18 200 200
How this is calculated: items/hr = (3600 ÷ seconds per kill) × average items per kill. Each monster's drop lines are listed as the wiki shows them (rarity · quantity); the average adds them all up, each as rarity × average quantity × rolls — so a guaranteed drop plus a rarer bonus drop both count. Drop rates and quantities come from the OSRS Wiki's community-verified drop tables. Seconds-per-kill is an editable estimate based on each monster's hitpoints and defence — your real speed depends on your stats and gear, so adjust it and your edits are remembered on this device. Rates marked ~ are approximate on the wiki.

Something wrong on this page?

Drop rates come from the OSRS Wiki and kill times are estimates, so mistakes happen. Tell us what's off and it'll be looked at.