OSRS Combat Level Formula: How Your Combat Level Is Calculated
Calculate your OSRS combat level from your stats. Covers the combat level formula for melee, ranged, and magic combat styles, and how Prayer and Hitpoints contribute.
Related Calculators
- OSRS Combat CalculatorCalculate your Old School RuneScape combat level from your Attack, Strength, Defence, Hitpoints, Ranged, Magic, and Prayer levels.
- OSRS Combat Level CalculatorCalculate OSRS combat level from Attack, Strength, Defence, Hitpoints, Prayer, Ranged, and Magic.
- OSRS DPS CalculatorCalculate manual-mode Old School RuneScape DPS for melee or ranged setups using attack rolls, defence rolls, max hit, weapon ticks, and hit chance.
- OSRS Max Hit CalculatorCalculate a manual melee or ranged maximum hit from level, boost, prayer, style, void, equipment bonus, and damage multipliers.
- OSRS Prayer CalculatorCalculate Prayer XP remaining, XP per offering, expected offerings, supply cost, GP per XP, and training time.
The OSRS Combat Level Formula
Combat Level = 0.25 × (Defence + Hitpoints + floor(Prayer / 2)) + 0.325 × Melee + 0.325 × Range + 0.325 × Magic
Where: - Melee = the highest of (floor(Attack/2) + Strength) × appropriate factor...
Actually, the simplified formula is:
Base = 0.25 × (Defence + Hitpoints + floor(Prayer / 2))
Melee Component = 0.325 × (Attack + Strength) (melee average) Ranged Component = 0.325 × floor(Ranged × 3/2) Magic Component = 0.325 × floor(Magic × 3/2)
Combat Level = Base + max(Melee Component, Ranged Component, Magic Component)
Worked Example
A typical melee-focused account: - Attack: 70, Strength: 80, Defence: 70, Hitpoints: 75, Prayer: 43
Base = 0.25 × (70 + 75 + floor(43/2)) = 0.25 × (70 + 75 + 21) = 0.25 × 166 = 41.5
Melee = 0.325 × (70 + 80) = 0.325 × 150 = 48.75
Combat Level = floor(41.5 + 48.75) = floor(90.25) = 90
Maximum Combat Level
Combat level 126 is the maximum achievable by having 99 in all combat skills + 99 Prayer:
Base = 0.25 × (99 + 99 + floor(99/2)) = 0.25 × (99 + 99 + 49) = 0.25 × 247 = 61.75 Melee = 0.325 × (99 + 99) = 64.35 Combat = floor(61.75 + 64.35) = floor(126.10) = 126
How Different Builds Affect Combat Level
Pure builds: Low Defence and Prayer to minimize combat level while maximizing offensive stats.
A 1 Defence pure with 99 Attack, 99 Strength, 1 Defence, 10 Prayer, 85 Hitpoints: - Base = 0.25 × (1 + 85 + 5) = 22.75 - Melee = 0.325 × 198 = 64.35 - Combat = floor(87.1) = 87 combat
This creates extreme offensive power at a much lower combat bracket — the purpose of pure builds in PvP.
Prayer's Effect on Combat Level
Prayer adds floor(Prayer/2) to the base calculation, multiplied by 0.25:
Each 2 Prayer levels = +0.25 to combat level
Training Prayer from 43 to 99 adds (49 − 21) × 0.25 = 7 combat levels.
Many players stop Prayer at 43 (Piety requires level 45 Herblore to unlock, but activating the prayer requires 70 Prayer — however training Prayer to 43 for Superhuman Strength gives a meaningful DPS boost for only 3.25 combat levels).
Related Guides
- OSRS Drop Rate Probability: How to Use a Drop Rate CalculatorLearn to use OSRS drop rate probability calculations to find your dry streak odds, time to 50% chance, and cumulative probability at any kill count.
- How OSRS DPS Is Calculated: Attack Bonus, Strength, and PrayerUnderstand how OSRS damage per second is calculated from attack speed, accuracy, max hit, and prayer bonuses. Covers the effective level, roll, and hit damage formulas.
- OSRS Accuracy and Hit Chance Explained: How to Calculate if You'll HitUnderstand OSRS accuracy and hit chance calculation. Learn how attacker and defender rolls determine whether your attack lands, and how equipment bonuses and prayer affect accuracy.
- OSRS Prayer XP Methods Explained: Bones, Ensouled Heads, and Gilded AltarCompare OSRS Prayer XP methods: burying bones, using a gilded altar, ensouled heads, and Chaos Temple. Covers XP rates, GP/XP costs, and the fastest path to 99 Prayer.
- OSRS XP Table and Level Formula: How Experience Points Are CalculatedUnderstand the OSRS XP to level formula, how XP requirements scale, and why the gap between levels grows exponentially. Includes the full XP table from level 1 to 99.
Frequently Asked Questions
- How is OSRS combat level calculated?
- Combat Level = floor(0.25 × (Defence + HP + floor(Prayer/2)) + max(0.325 × (Attack+Strength), 0.325 × floor(Ranged×1.5), 0.325 × floor(Magic×1.5))). The highest of melee, ranged, or magic components is used — whichever skill set gives the highest combat level.
- What is the max combat level in OSRS?
- 126 is the maximum combat level, achieved with 99 in all combat skills (Attack, Strength, Defence, Ranged, Magic, Hitpoints) and 99 Prayer.
- How do pure accounts keep low combat level?
- By keeping Defence at 1 (or 40/45 for specific builds) and Prayer low, reducing the base component. A 1-defence, 99 Attack/Strength account with 10 Prayer and 85 HP is approximately combat level 87 — far below what a 99 Attack/Strength/Defence account would be (around 107+).
- Does Prayer level affect combat level?
- Yes — Prayer contributes floor(Prayer/2) to the base calculation. Each 2 prayer levels adds 0.25 to combat level (since the base multiplier is 0.25). Training Prayer from 1 to 99 adds roughly (49-0) × 0.25 ≈ 12 combat levels. Most players train Prayer to 43 (Superhuman Strength) or 70 (Piety unlocked).
Last updated 7/28/2026