OSRS Combat Level Calculator

Your Combat Level

3

Melee Based

Base Level

2.75

Melee Modifier

0.65

Ranged Modifier

0.48

Magic Modifier

0.48

What is the osrs combat lvl calculator?

The OSRS Combat Level Calculator is a specialized tool for players of Old School RuneScape to determine their character’s combat level. This level is a key indicator of a player’s power in player-versus-monster (PvM) and player-versus-player (PvP) situations. Unlike a simple sum of levels, the combat level is calculated using a specific, weighted formula that considers seven distinct skills: Attack, Strength, Defence, Hitpoints, Ranged, Magic, and Prayer. This calculator allows players to input their current or desired levels to see the resulting combat level, which is crucial for planning a character’s progression, especially for specialized account builds like “pures” or “zerkers”.

OSRS Combat Level Formula and Explanation

The official Old School RuneScape combat level formula is a multi-step calculation that combines defensive and offensive stats. It takes the highest of your offensive styles (Melee, Ranged, or Magic) and adds it to a defensive base. Our osrs combat lvl calculator automates this for you.

The formula is as follows:

1. Calculate the Base Level:
   Base = 0.25 * (Defence Level + Hitpoints Level + Floor(Prayer Level / 2))
2. Calculate Offensive Modifiers:
   • Melee = 0.325 * (Attack Level + Strength Level)
   • Ranged = 0.325 * (Floor(Ranged Level * 1.5))
   • Magic = 0.325 * (Floor(Magic Level * 1.5))
3. Determine the Final Combat Level:
   Combat Level = Floor(Base + MAX(Melee, Ranged, Magic))

The game always rounds the final number down to the nearest whole number.

Formula Variables

Variable	Meaning	Unit	Typical Range
Attack	Determines accuracy with melee weapons.	Level	1 – 99
Strength	Determines max hit with melee weapons.	Level	1 – 99
Defence	Reduces the chance of being hit by opponents.	Level	1 – 99
Hitpoints	Your character’s life force.	Level	1 – 99 (starts at 10)
Ranged	Affects accuracy and damage with ranged weapons.	Level	1 – 99
Magic	Affects accuracy and damage with magical spells.	Level	1 – 99
Prayer	Allows use of prayers that provide temporary boosts.	Level	1 – 99

Thinking about your next build? You might find our Max Hit Calculator useful for planning.

Practical Examples

Example 1: A Pure Melee Build (1 Defence Pure)

A common PvP build focuses on high damage with low defence to stay at a lower combat level. Let’s see how our osrs combat lvl calculator processes this.

• Inputs: Attack: 60, Strength: 85, Defence: 1, Hitpoints: 80, Ranged: 1, Magic: 1, Prayer: 15
• Calculation:
  • Base = 0.25 * (1 + 80 + Floor(15 / 2)) = 0.25 * (81 + 7) = 22
  • Melee = 0.325 * (60 + 85) = 47.125
  • Ranged = 0.325 * Floor(1 * 1.5) = 0.325
  • Magic = 0.325 * Floor(1 * 1.5) = 0.325
  • Combat Level = Floor(22 + 47.125) = 69
• Result: Combat Level 69. This player is melee-based and optimized for high damage output.

Example 2: A Balanced Main Account

A high-level player training all skills evenly would have a different profile.

• Inputs: Attack: 90, Strength: 90, Defence: 90, Hitpoints: 95, Ranged: 85, Magic: 85, Prayer: 77
• Calculation:
  • Base = 0.25 * (90 + 95 + Floor(77 / 2)) = 0.25 * (185 + 38) = 55.75
  • Melee = 0.325 * (90 + 90) = 58.5
  • Ranged = 0.325 * Floor(85 * 1.5) = 41.275
  • Magic = 0.325 * Floor(85 * 1.5) = 41.275
  • Combat Level = Floor(55.75 + 58.5) = 114
• Result: Combat Level 114. Despite having decent ranged and magic, the player’s higher melee stats make them melee-based. For more on this, check our guide on combat mechanics.

How to Use This osrs combat lvl calculator

Using this calculator is simple and provides instant results for your theory-crafting.

1. Enter Your Skill Levels: Input your current or desired levels for all seven combat skills into their respective fields. The default starting Hitpoints level is 10.
2. View Real-Time Results: As you type, the calculator automatically updates your Combat Level, Base Level, and the modifiers for Melee, Ranged, and Magic.
3. Analyze the Output: The main result shows your final, floored combat level. The “Combat Level Type” tells you which style (Melee, Ranged, or Magic) is the dominant factor in your calculation.
4. Reset and Experiment: Use the ‘Reset’ button to return all stats to their base values and try different combinations to plan your next account build. Check out slayer guides to see how combat level affects tasks.

Key Factors That Affect Your OSRS Combat Level

• Defence Level: This is a major factor. Keeping it low is the principle behind “pure” accounts, as it has a direct 1-to-1 impact on the base calculation, unlike offensive stats.
• Prayer Level: Prayer has a lesser impact than Defence or Hitpoints (it’s halved in the formula), allowing players to get powerful overhead prayers with a smaller combat level increase.
• Hitpoints Level: Like Defence, this has a significant impact. It naturally levels up as you train other combat skills, so it cannot be ignored.
• Dominant Combat Style: Only your highest offensive style (Melee, Ranged, or Magic) counts towards the final calculation. This is why players specialize, as levels in lower-trained styles often contribute nothing to their combat level. For example, a Melee pure can train Ranged and Magic as long as their combined modifier remains lower than the Melee one. For help with this, see our PKing builds guide.
• Attack and Strength Balance: For melee players, these two skills are added together. This means you can have 70 Attack and 70 Strength or 60 Attack and 80 Strength, and the impact on your combat level will be identical. This allows for builds focused on accuracy vs. max hit.
• Ranged and Magic Calculation: These skills are calculated based on 1.5 times their level, giving them slightly more weight per level than a single Melee skill, but less than the combined Attack and Strength.

Frequently Asked Questions (FAQ)

Which skills affect my combat level?

Only Attack, Strength, Defence, Hitpoints, Ranged, Magic, and Prayer affect your combat level. Skills like Slayer, Mining, or Agility have no impact.

Why does the calculator show decimal points for intermediate values?

The game’s formula uses decimal values during the calculation. The final combat level is always the floored integer (rounded down). Showing the decimals helps you see how close you are to the next combat level.

What is a “pure” account?

A pure is an account build that intentionally keeps one or more combat stats (usually Defence) at a very low level to optimize for high damage output at a lower combat level, which is advantageous in certain PvP brackets. See our account build strategies.

Can I train my other combat styles without leveling up?

Yes. As long as the modifier for your secondary style (e.g., Ranged) does not surpass your primary style (e.g., Melee), leveling it will not increase your combat level. This is a common tactic for unlocking specific weapons or spells.

Does Hitpoints level matter more than Defence?

In the formula, they have the exact same weight. However, you cannot train Attack, Strength, Ranged, or Magic with most methods without also gaining Hitpoints experience, making Defence the only truly controllable defensive stat.

How do I find my combat level in-game?

You can see your combat level by clicking the crossed swords icon on your interface, which opens the Combat Options tab. Your level is displayed there.

What is the maximum combat level in OSRS?

The maximum combat level is 126, which is achieved with 99 in Attack, Strength, Defence, Hitpoints, Ranged, Magic, and Prayer.

Is it better to have high Attack or high Strength?

It depends on your goal. High Attack increases your chance to hit, while high Strength increases your maximum potential damage. For the purposes of the osrs combat lvl calculator, they are weighted equally.

Related Tools and Internal Resources

Explore these other calculators and guides to further optimize your Old School RuneScape experience:

• OSRS Max Hit Calculator: Find out your maximum potential damage with any gear setup.
• Slayer Task Calculator: Optimize your slayer tasks and points.
• OSRS Money Making Guide: Discover the best ways to earn GP in Gielinor.
• Old School Runescape Wiki: The definitive source for all things OSRS.