OSRS Combat Level Calculator — Old School RuneScape Combat Calculator

Attack

Strength

Defence

Hitpoints

Prayer

Ranged

Magic

Combat Level

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How to Use This Tool

Enter your character's Attack, Strength, Defence, Hitpoints, and Prayer levels.
Enter your Ranged and Magic levels.
Click Calculate Combat Level to see your exact in-game combat level.

The OSRS Combat Level Formula

Old School RuneScape calculates combat level using a formula that combines a "base" component from your defensive stats with the highest of three possible "combat style" components — melee, ranged, or magic — so your combat level reflects your strongest fighting style, not the sum of everything:

Base = 0.25 × (Defence + Hitpoints + ⌊Prayer ÷ 2⌋)

Melee = 0.325 × (Attack + Strength)

Ranged = 0.325 × ⌊Ranged × 1.5⌋

Magic = 0.325 × ⌊Magic × 1.5⌋

Combat Level = ⌊Base + max(Melee, Ranged, Magic)⌋

Why Only the Highest Style Counts

This design means training multiple combat styles to high levels doesn't stack your combat level indefinitely — only your best style's contribution counts alongside your defensive base. This is why "pure" accounts (which skip Defence training to keep combat level low relative to Attack/Strength) exist as a build strategy in OSRS's PvP scene.

Practical Uses

Planning PvP account builds ("pures") that maximize offensive stats while minimizing combat level
Checking whether you meet a boss or minigame's minimum/maximum combat level requirement
Tracking your account's overall combat progression as you train different skills

Frequently Asked Questions

Why doesn't training both Melee and Magic increase my combat level as much as expected?

The formula takes the maximum of your melee, ranged, and magic components — not the sum — so only your single strongest combat style contributes to your combat level alongside your defensive base.

What is a "pure" account in OSRS?

A pure is an account built by deliberately keeping Defence (and sometimes Hitpoints) low while training Attack and Strength, which keeps combat level artificially low relative to actual damage output — a common PvP strategy.

Does Hitpoints level affect combat level a lot?

Hitpoints contributes to the base component (along with Defence and half of Prayer), so it has a moderate, steady effect on combat level regardless of which combat style you use.

This calculator is provided for general informational and estimation purposes only. Results should not be treated as professional financial, tax, legal, medical, or engineering advice. Always verify critical calculations with a qualified professional or official source before making decisions.