Mythic Rating Calculator
Estimate the score for a World of Warcraft Mythic+ dungeon run.
Base & Affix Score: 0
Keystone Level Score: 0
Time Modifier Score: 0
Live Chart: Score Contribution
What is a Mythic Rating Calculator?
A mythic rating calculator is a tool used by World of Warcraft players to estimate the score they will receive from a single Mythic+ dungeon run. This rating, often called M+ Score or formerly Raider.IO (RIO) score, is a primary metric players use to gauge experience and skill. A higher score indicates successful completion of higher-difficulty dungeons and makes it easier to join groups for challenging content. This calculator helps you understand how keystone level and completion time impact your score for a single run. Your character’s total score is a more complex sum of your best runs across all dungeons on both major affix weeks.
Mythic Rating Formula and Explanation
The official in-game formula isn’t public, but the community has determined a very close approximation based on observed results. Our mythic rating calculator uses this widely accepted model:
Total Score = BaseRating + LevelBonus + TimeModifier
This formula calculates the score for a single run. Your character’s final score for a dungeon is calculated by taking your best run (worth 1.5x points) and adding your best run from the alternate major affix (Fortified or Tyrannical), which is worth 0.5x points.
| Variable | Meaning | Unit / Source | Typical Range |
|---|---|---|---|
| BaseRating | A foundational score component that includes a base value for any key plus points for the active affixes. For a +10 key or higher, this is roughly 60 points. | Points | ~60 |
| LevelBonus | Additional points awarded for each keystone level. | Points | 7.5 per level |
| TimeModifier | Bonus points for finishing faster than the dungeon timer, or a penalty for finishing slower. | Points | -15 to +7.5 |
Practical Examples
Example 1: A Strong Timed Key
Imagine a group completes a +15 keystone. The dungeon timer is 33 minutes, and they finish in 29 minutes and 30 seconds.
- Inputs: Level=15, Time Limit=33, Completion=29:30
- Calculation: The base and level score is high. They get a significant time bonus for finishing more than 10% under the timer.
- Result: A high rating, rewarding both the difficulty and the speed. This is the kind of run that significantly boosts a player’s score.
Example 2: A Depleted Key
Another group attempts a +20 key with a 38-minute timer. They struggle and finish in 45 minutes, well over the time limit.
- Inputs: Level=20, Time Limit=38, Completion=45:00
- Calculation: The base and level score is very high due to the +20 difficulty. However, they receive a substantial penalty for exceeding the timer.
- Result: The final score will be much lower than a timed +20 key, but because the keystone level was so high, it might still be an upgrade over a timed +18 or +19 key. This illustrates why even completing very high, untimed keys can increase your overall rating.
How to Use This Mythic Rating Calculator
Using the calculator is straightforward and designed to give you instant feedback on your Mythic+ runs.
- Enter Keystone Level: Input the numerical level of the key you completed.
- Set Dungeon Timer: Adjust the time limit to match the specific dungeon you ran. An average is pre-filled, but accuracy helps.
- Input Your Time: Enter the minutes and seconds it took your group to complete the dungeon.
- Review Results: The calculator instantly updates your estimated score, showing a breakdown of points from difficulty and time. Use the DPS Rankings to see how class choice can influence clear times.
- Analyze & Plan: Use the score to decide if running a dungeon again at a higher level or on a different affix week is your next best upgrade.
Key Factors That Affect Mythic Rating
Your Mythic+ score is more than just a number; it reflects your performance across several key areas. Understanding these factors is crucial for anyone looking to improve.
- Keystone Level: This is the single most important factor. Completing a higher-level key, even if you don’t make the timer, is often worth more points than timing a much lower key.
- Completion Time: Finishing a dungeon quickly provides a bonus, while going over the timer incurs a penalty. The fastest runs (about 40% under the timer) give the maximum time bonus.
- Affixes (Fortified/Tyrannical): To maximize your score, you must achieve a good score in each dungeon on *both* Fortified (stronger trash mobs) and Tyrannical (stronger bosses) weeks. Your total score is a combination of both.
- Player Skill & Coordination: Efficiently handling mechanics, interrupting crucial casts, and using crowd control correctly saves time and prevents deaths, directly impacting your completion time.
- Gear and Character Power: Higher item level gear, optimized stats, and powerful trinkets allow you to meet the increasing damage and health checks of higher keys.
- Dungeon Knowledge: Knowing the optimal route to pull enemies, where to use cooldowns, and how to handle boss mechanics efficiently is critical for high-level play. Check out resources like Keystone.Guru for route planning.
Frequently Asked Questions (FAQ)
- How is my total character score calculated?
- Your total score is the sum of your scores from every dungeon in the current season’s pool. For each dungeon, your score is calculated by taking your best run’s rating (e.g., a Fortified +20) and adding one-third of the rating from your best run on the opposite week (e.g., a Tyrannical +18).
- Why is the calculator’s score different from my in-game score?
- This calculator uses a highly accurate public model, but Blizzard’s official formula may have minor differences or rounding. It provides a very close estimate for planning purposes.
- What is a “good” Mythic Rating?
- This is subjective and changes each season. Generally, reaching 2000 rating earns the “Keystone Master” achievement and is considered a strong accomplishment. 2500+ is seen as very skilled, and 3000+ is typically the domain of elite players.
- Does dying affect my rating?
- Indirectly, yes. Each death removes time from the dungeon timer, making it harder to complete the key in time and thus reducing or eliminating your “Time Modifier” bonus. In some future seasons, deaths may incur a direct time penalty.
- What are Fortified and Tyrannical affixes?
- They are major weekly affixes. Fortified increases the health and damage of non-boss enemies. Tyrannical increases the health and damage of bosses. To get a max score, you need good runs on both types of weeks.
- How do I get the highest rating for a single dungeon?
- You need to complete the highest possible keystone level, on both a Fortified week and a Tyrannical week, as fast as possible. This ensures you get the maximum score contribution from both affix types.
- Does this calculator work for low-level keys (below +10)?
- Yes, the formula adjusts. However, the number of affixes is lower on keys below +10, which changes the base score slightly. This calculator assumes a +10 or higher key with a full set of affixes for its base calculation, but the level bonus still applies correctly.
- Where can I see my official rating?
- You can see your official Mythic+ Rating in-game in the Group Finder (I) window under the “Mythic+ Dungeons” tab. You can also use popular third-party sites like Raider.IO for more detailed analysis.