OSRS Calculators
Free Old School RuneScape calculators to help plan your account using accurate game formulas.
Combat Level Calculator
Calculate your OSRS combat level from your stats. See which combat style is dominant and plan your training path.
Max Hit Calculator
Calculate your maximum hit with melee, ranged, or magic. Includes prayers, potions, and equipment presets.
DPS Calculator
Calculate your damage per second against any monster. Compare accuracy, max hit, and kill times.
XP Calculator
Calculate XP needed for your target level. See how many actions and hours of training required.
Herblore Calculator
Calculate the cost and time to train Herblore. Compare potions, XP rates, and profit margins.
Prayer Calculator
Calculate bones needed and costs for Prayer training. Compare altars and training methods.
Farming Timer
Track your farming patches and crop growth times. Know when your herbs and trees are ready.
Frequently Asked Questions
How is combat level calculated?
Combat level uses your Defence, Hitpoints, Prayer, and either Melee, Ranged, or Magic stats depending on which gives the highest result.
What affects max hit?
Max hit depends on your Strength level, equipment bonus, prayers, potions, and special gear like Void or Slayer helm.
How much XP for level 99?
Level 99 requires 13,034,431 XP. Level 92 is the halfway point in terms of XP needed.
Are these formulas accurate?
Yes, all calculators use the official OSRS formulas that have been documented by the community and verified in-game.