M+ Rating Calculator
Analyze your Mythic Plus dungeon performance and rating gains
187.5
Base Level Score
125.0
Time Bonus/Penalty
+5.0
Run Weight
1.5x
Score Scaling vs. Key Level
Blue: On-time completion | Red Dashed: 10% overtime penalty | Green Dot: Current Input
Typical Rating Per Key Level (On-Time)
| Keystone Level | Base Points | Primary Rating (1.5x) | Secondary Rating (0.5x) | Total Possible Dungeon Score |
|---|
Table assumes 0 time bonus for baseline comparison.
What is the M+ Rating Calculator?
The m+ rating calculator is an essential tool for World of Warcraft players looking to optimize their Mythic Plus performance. This specialized utility calculates the specific numerical score awarded for completing a dungeon based on Blizzard’s internal formulas. By using an m+ rating calculator, players can predict how a specific run will affect their overall seasonal score, helping them decide which dungeons to prioritize for the greatest rating gains.
Whether you are a casual player pushing for the Keystone Master achievement or a high-end competitive player aiming for the Title, understanding the math behind the m+ rating calculator is vital. It eliminates the guesswork involved in dungeon progression and provides clear targets for time management and key difficulty.
M+ Rating Calculator Formula and Mathematical Explanation
The calculation behind the m+ rating calculator follows a structured progression. Blizzard’s system assigns a base score for the level of the keystone and modifies it based on whether the dungeon was finished within the time limit.
The core formula used by the m+ rating calculator is:
Run Score = (Base Level Points + Time Bonus) × Week Weight
| Variable | Meaning | Typical Range |
|---|---|---|
| Base Level Points | The flat score for completing a key level. | 60 – 300+ |
| Time Bonus | Points added for beating the timer or subtracted for failing. | -15 to +7.5 |
| Week Weight | The multiplier based on Best vs. Second Best run. | 1.5x or 0.5x |
The base score starts at level 2. Each level usually adds a fixed amount of points (e.g., 7.5 or 15 points depending on the expansion’s scaling). The m+ rating calculator also accounts for the “two-week” system, where your highest score across Tyrannical and Fortified affixes contributes 150% of its value, while the lower score contributes 50%.
Practical Examples (Real-World Use Cases)
Example 1: High-Level Timed Run
Suppose a player completes a +15 dungeon with a 30-minute timer in 24 minutes. This is 20% faster than the timer. The m+ rating calculator would determine the base score for a +15 (e.g., 170 points). Adding a time bonus of roughly +5 points gives 175. If this is the player’s best run (Primary), the total rating gain for that dungeon becomes 175 x 1.5 = 262.5.
Example 2: Over-Time Completion
A player completes a +10 dungeon with a 30-minute timer in 33 minutes. Since they are 10% over the timer, the m+ rating calculator applies a penalty (e.g., -5 points). If the base score for a +10 is 125, the run score is 120. If this is the secondary week run, the score added to the total rating is 120 x 0.5 = 60.
How to Use This M+ Rating Calculator
Using our m+ rating calculator is straightforward and designed for quick adjustments between dungeon runs:
- Step 1: Enter the Keystone Level of the dungeon you completed or plan to run.
- Step 2: Input the official Blizzard timer limit for that specific dungeon.
- Step 3: Input your actual or projected completion time.
- Step 4: Select whether this run is your primary (best) or secondary score for this dungeon.
- Step 5: Review the results to see the total points and the breakdown of time bonuses.
The m+ rating calculator updates in real-time, allowing you to see how shaving off just one minute of dungeon time can impact your overall rating.
Key Factors That Affect M+ Rating Results
Several factors influence the final output of the m+ rating calculator, which players must account for when planning their push:
- Keystone Level: This is the most significant factor. Higher levels provide higher base points exponentially.
- Completion Speed: Beating the timer by a large margin (three-chesting) provides the maximum possible time bonus.
- Affix Difficulty: While affixes don’t directly change the points, they affect completion time, which the m+ rating calculator reflects.
- Primary vs. Secondary Run: Because your top score is worth 3x your lower score (1.5 / 0.5 ratio), improving your best run has a much larger impact.
- Death Count: In Mythic+, each death removes 5 seconds from the timer, indirectly reducing your time bonus in the m+ rating calculator.
- Dungeon Timer Variation: Different dungeons have different timers (e.g., 28m vs 38m). A 2-minute save is more valuable on a shorter timer.
Frequently Asked Questions (FAQ)
Can my score go down if I complete a lower key?
No, the m+ rating calculator and Blizzard’s system only record your highest scores. A lower or slower run will never decrease your rating.
How does the 1.5x and 0.5x weighting work?
For each dungeon, your best score (regardless of affix) is multiplied by 1.5, and your second best is multiplied by 0.5. The m+ rating calculator sums these for your total dungeon rating.
Is there a cap on the time bonus?
Yes, usually the bonus caps at +7.5 points for finishing 40% faster than the timer.
What is the penalty for failing the timer?
Finishing after the timer results in a point deduction (up to -15), but as long as you finish, you still earn a significant base score.
Do level 0 or Heroic dungeons give rating?
No, the m+ rating calculator is only for Mythic Keystone (M+) levels 2 and above.
Does group size affect the score?
No, the score is calculated based on dungeon performance, not the number of players, though you must have a valid group to finish.
Why is my in-game rating different from the calculator?
The m+ rating calculator provides an estimate based on standard Blizzard formulas. Small discrepancies may occur due to rounding at each intermediate step.
Does the rating reset every season?
Yes, Mythic Plus ratings reset with every new expansion season, requiring a fresh start with the m+ rating calculator.
Related Tools and Internal Resources
- Mythic+ Affix Guide – Learn how weekly affixes impact your completion speed.
- Dungeon Timer Reference – A complete list of timers for the current season’s dungeons.
- Gear Scaling Calculator – See how your item level affects your potential keystone level.
- Vault Reward Tracker – Track your weekly rewards based on your highest completed keys.
- Class Performance Rankings – Check which classes are currently meta for high M+ scores.
- Keystone Hero Achievement Guide – Tips for reaching 2500 rating using our m+ rating calculator.