Use this calculator to estimate your combat level for OSRS or RS3 using your current stats.
Tip: combat level uses weighted formulas. A +1 level in one stat does not always increase combat immediately.
What is a combat level?
In RuneScape, your combat level is a quick summary of your fighting power. Instead of showing every stat separately, the game combines key combat skills into one number. Players use this number for PvP brackets, boss requirements, and account build planning.
A combat calculator helps you answer practical questions: How far am I from the next level? Which skill should I train first? Will this account stay a pure build? That is exactly what this tool is designed to do.
Combat level formulas (OSRS and RS3)
OSRS formula
RS3 formula
The key detail is that the game takes your best offensive style (melee, ranged, or magic), not all three at once. That is why balanced accounts can have different combat levels than specialized pures with similar total levels.
How to use this combat lvl calculator effectively
- Select your game mode first (OSRS or RS3).
- Enter your real current levels for all listed skills.
- Calculate and check your dominant combat style.
- Use the “single-skill path” suggestions to see what can push your next combat level fastest.
- Re-test after level milestones to plan your grind efficiently.
Training strategy by account type
Melee-focused accounts
If melee is your dominant style, Attack and Strength usually move your combat progress the fastest. Defence and Hitpoints build survivability and contribute through the base component. Prayer can be efficient because every two Prayer levels influence combat through floor(Prayer/2).
Ranged pures and hybrids
Ranged uses a 1.5 multiplier before the style weighting, which is why high Ranged can carry a pure build. However, if you train Defence or Prayer too aggressively, your combat bracket changes quickly. Use this calculator to check each planned level-up before committing.
Magic-based builds
Magic follows the same offensive structure as Ranged in the formula. For PK and hybrid accounts, this makes Magic an important lever for offensive power. If your combat level stalls, compare Magic gains versus base-skill gains to choose the cheaper route.
Common mistakes players make
- Assuming every +1 level always increases combat immediately.
- Forgetting that the game floors several steps in the formula.
- Overtraining non-dominant offense when trying to preserve a PvP bracket.
- Ignoring Prayer and Hitpoints, which quietly influence base combat value.
- Using OSRS assumptions for RS3 accounts with Summoning.
FAQ
Does Prayer increase combat level?
Yes. Prayer contributes through floor(Prayer/2), so effect appears in steps rather than every level.
Why didn’t my combat level go up after leveling?
Combat level is floored to an integer at the end. Your exact value may have increased, but not enough to cross the next whole number.
What is max combat level?
Typical caps are 126 in OSRS and 138 in RS3 (with Summoning). This calculator follows those conventions.
Final thoughts
A good combat calculator is not just a number generator; it is a planning tool. Use it before major training sessions, quest unlock pushes, or PvP bracket decisions. Small improvements in planning can save many hours of grind and keep your account progression aligned with your goals.