Combat Level Calculator

Skill	Levels for Next Combat Level
Attack/Strength	…
Defence	…
Hitpoints	…
Ranged	…
Magic	…
Prayer	…

Estimated levels needed for the next full combat level.

What is a Combat Level?

A combat level is a representation of a character’s overall power in combat within many online role-playing games. It is a key metric used to quickly gauge how tough a player or monster might be. This value is derived from a specific set of skills that contribute to a character’s effectiveness in battle. A higher combat level generally means a character is more formidable. Our combat level calculator provides an instant, accurate calculation based on your specific skill levels.

Anyone who plays these types of games, from new players to seasoned veterans, can benefit from using a combat level calculator. It is especially useful for players who want to create specialized character builds, such as a “pure” who focuses on high damage output with low defensive stats, or a “tank” who can absorb a lot of damage. Planning your build with a calculator ensures you can optimize your stats without accidentally gaining a combat level you didn’t want. A common misconception is that all skills contribute to the combat level, but in reality, only a specific subset of combat-oriented skills are used in the formula.

Combat Level Formula and Mathematical Explanation

The combat level calculation is a two-part formula. First, a “base” defensive level is calculated. Second, an “offensive” level is calculated for each of the three combat styles: Melee, Ranged, and Magic. The highest of these three offensive values is then added to the defensive base to determine the final combat level.

The core formulas are as follows:

• Defence Base = 0.25 * (Defence Level + Hitpoints Level + Floor(Prayer Level / 2))
• Melee Base = 0.325 * (Attack Level + Strength Level)
• Ranged Base = 0.325 * Floor(Ranged Level * 1.5)
• Magic Base = 0.325 * Floor(Magic Level * 1.5)

The final formula is: Combat Level = Defence Base + MAX(Melee Base, Ranged Base, Magic Base). The result is always rounded down to the nearest whole number. This is why using an accurate combat level calculator is so important for precise build planning. For more info on builds, see our melee pure build guide.

Variable Explanations

Variable	Meaning	Unit	Typical Range
Attack/Strength	Determines melee accuracy and damage.	Level	1-99
Defence	Reduces chance of being hit.	Level	1-99
Hitpoints	Determines total health.	Level	1-99
Ranged	Determines ranged accuracy and damage.	Level	1-99
Magic	Determines magic accuracy and damage.	Level	1-99
Prayer	Unlocks combat-boosting prayers.	Level	1-99

Practical Examples

Example 1: Melee-Focused Build

A player is training a classic melee-focused account. They want to maximize their strength while keeping their combat level as low as possible. They use the combat level calculator to plan their next steps.

• Inputs: Attack: 75, Strength: 90, Defence: 70, Hitpoints: 80, Ranged: 60, Magic: 60, Prayer: 70
• Calculation:
  • Defence Base: 0.25 * (70 + 80 + Floor(70 / 2)) = 0.25 * (150 + 35) = 46.25
  • Melee Base: 0.325 * (75 + 90) = 53.625
  • Ranged Base: 0.325 * Floor(60 * 1.5) = 29.25
  • Magic Base: 0.325 * Floor(60 * 1.5) = 29.25
• Result: Combat Level = 46.25 + 53.625 = 99.875, which floors to Combat Level 99. The calculator shows them they are very close to level 100.

Example 2: Ranged Tank Build

Another player is creating a “Ranged Tank,” a build with high Defence and Ranged levels but low Attack and Strength. They consult a ranged tank guide and use the combat level calculator to ensure their melee stats don’t raise their combat level.

• Inputs: Attack: 1, Strength: 1, Defence: 90, Hitpoints: 85, Ranged: 95, Magic: 50, Prayer: 52
• Calculation:
  • Defence Base: 0.25 * (90 + 85 + Floor(52 / 2)) = 0.25 * (175 + 26) = 50.25
  • Melee Base: 0.325 * (1 + 1) = 0.65
  • Ranged Base: 0.325 * Floor(95 * 1.5) = 0.325 * 142 = 46.15
  • Magic Base: 0.325 * Floor(50 * 1.5) = 24.375
• Result: Combat Level = 50.25 + 46.15 = 96.4, which floors to Combat Level 96. The calculator confirms that their dominant style is Ranged and their melee stats have a negligible impact.

How to Use This Combat Level Calculator

Using our combat level calculator is simple and intuitive. Follow these steps to get an accurate reading of your character’s power:

1. Enter Your Skill Levels: Input your character’s current levels for Attack, Strength, Defence, Hitpoints, Ranged, Magic, and Prayer into the corresponding fields. The calculator assumes a level of 1 if a field is left blank, but for best results, fill in all values.
2. View Real-Time Results: The calculator updates automatically as you type. Your total combat level is displayed prominently in the results section.
3. Analyze Intermediate Values: Below the main result, you can see the calculated base values for Melee, Ranged, and Magic. This helps you understand which combat style is currently contributing the most to your combat level.
4. Check the Level-Up Table: The table provides an estimate of how many more levels in each skill you would need to gain your next full combat level. This is invaluable for planning your training. For more ideas check out our skill training guide.

By understanding these results, you can make informed decisions about which skills to train to achieve your desired character build, whether for player-vs-player combat or general gameplay. This combat level calculator is a vital tool for strategic character progression.

Key Factors That Affect Combat Level Results

Several key skills directly influence your combat level. Understanding how each one contributes is the secret to mastering character development. A good combat level calculator helps visualize these impacts.

• Attack and Strength: These are the cornerstones of melee combat. They are combined in the formula, meaning they have a very high impact on your Melee Base. A player with high Attack and Strength will almost always have Melee as their dominant combat style.
• Defence and Hitpoints: These two skills form the bulk of your defensive base calculation. Every level in either provides a significant and equal boost to your survivability and your combat level.
• Prayer: Prayer has a unique role. Every two levels of Prayer count as one level of Defence or Hitpoints in the formula. This makes it half as effective for direct combat level gain, allowing players to reach high Prayer levels for powerful abilities without inflating their combat level as quickly.
• Ranged: Ranged level is multiplied by 1.5 in its offensive calculation, making it a very potent skill for combat level. A high Ranged level can easily overtake the Melee Base, especially if Attack and Strength are not trained in tandem. Our osrs combat calculator has more specific options.
• Magic: Like Ranged, Magic is also multiplied by 1.5. This makes it equally powerful for raising your combat level. Specialized builds like a magic pure calculator focus on maximizing this while minimizing other stats.
• The “Max” Function: Crucially, only the highest of the three offensive styles (Melee, Ranged, Magic) is chosen. This is the foundation of all “pure” and specialized pking builds. You can heavily train one combat style while neglecting the others to create a powerful character at a lower-than-expected combat level. This is the most critical concept to master when using a combat level calculator for build creation.

Frequently Asked Questions (FAQ)

1. Why is my combat level not changing even though I leveled up?

The combat level is the floored (rounded down) result of the formula. You may need to gain several fractional combat points before the whole number ticks over. Our combat level calculator can show you how close you are to the next level.

2. Do non-combat skills like Fishing or Woodcutting affect my combat level?

No, non-combat skills have absolutely no effect on your combat level calculation.

3. What is a “pure” account?

A “pure” is a character build that intentionally keeps one or more combat stats (usually Defence) at a very low level to optimize for high damage output at a low combat level. Using a combat level calculator is essential for making these builds.

4. How is Hitpoints level calculated if I don’t train it directly?

You gain Hitpoints experience as a byproduct of training other combat skills. This calculator requires you to enter your current Hitpoints level manually.

5. Why is Prayer’s contribution halved in the formula?

This is a balancing mechanic. It allows players to access powerful, game-changing Prayer abilities without their combat level becoming excessively inflated compared to players who neglect the skill.

6. Is it better to have balanced stats or to specialize?

This depends on your goals. Balanced stats are great for general gameplay and taking on a wide variety of monsters. Specialized stats (like pures) are designed for Player vs. Player (PvP) combat, where having a high damage output for your combat level is a major advantage.

7. Does this combat level calculator work for all versions of the game?

This calculator uses the classic formula, which is standard for Old School RuneScape (OSRS) and similar versions. RuneScape 3 uses a different, more complex formula involving Summoning and other variables.

8. How accurate is this combat level calculator?

This tool is highly accurate as it implements the official, publicly known formula. It correctly handles the floor functions and multipliers to give you a precise result, which is crucial for advanced build planning.