How Is Kda Calculated In Lol

Calculate your exact KDA ratio and understand your performance metrics

Complete Guide: How is KDA Calculated in League of Legends?

Understanding your KDA (Kills/Deaths/Assists) ratio is crucial for improving your League of Legends gameplay. This comprehensive guide explains exactly how KDA is calculated, what constitutes a good KDA, and how to interpret your performance metrics.

The KDA Formula Explained

The basic KDA ratio formula is:

(Kills + Assists) / Deaths

If you have zero deaths, your KDA is simply Kills + Assists (since division by zero is undefined).

What Counts as a Kill?

• Last-hitting an enemy champion (dealing the killing blow)
• Executing an enemy with Ignite or other damage-over-time effects
• Kills from turret shots still count if you assisted

What Counts as an Assist?

• Dealing damage to an enemy within 10 seconds before they die
• Applying crowd control effects that help secure a kill
• Healing or shielding allies who get kills
• Assists are shared among all qualifying players

What Counts as a Death?

• Dying to enemy champions
• Dying to neutral monsters (if damaged by enemies)
• Dying to turrets (if enemies are nearby)
• Suicide via abilities doesn’t count as a death

KDA Benchmarks by Role (2023 Season Data)

Role	Average KDA	Good KDA	Excellent KDA	Deaths per Game
Top Lane	2.1	3.0+	5.0+	5.2
Jungle	2.8	4.0+	6.5+	5.8
Mid Lane	2.5	3.5+	5.5+	5.4
ADC	3.2	4.5+	7.0+	4.8
Support	3.8	5.0+	8.0+	4.1

How KDA Affects Your LP Gains

While Riot doesn’t publicly disclose the exact LP calculation formula, we know from data analysis that:

1. KDA is one of several performance metrics considered in LP calculations
2. A KDA ratio above your role’s average typically results in slightly higher LP gains
3. Consistently high KDA (top 10% of your rank) can help mitigate LP losses
4. KDA matters more in lower elo where performance metrics have greater weight

Rank	KDA Impact on LP	Average KDA for +15 LP	Average KDA for -15 LP
Iron	High	4.2+	1.8 or lower
Bronze	High	3.8+	2.0 or lower
Silver	Medium-High	3.5+	2.1 or lower
Gold	Medium	3.2+	2.2 or lower
Platinum+	Low-Medium	2.8+	2.3 or lower

Advanced KDA Metrics

Pro players and analysts look beyond simple KDA to evaluate performance:

• Kill Participation: (Kills + Assists) / Total Team Kills × 100%
  • 70%+ is excellent for carries
  • 50-60% is average for most roles
  • Supports often have 60-80% participation
• Damage Share: Your damage dealt / Total team damage
  • 25%+ is good for ADCs/Mids
  • 15-20% is average for other roles
• Deaths per Minute: Deaths / Game Duration (minutes)
  • 0.2 or lower is excellent
  • 0.3-0.4 is average
  • 0.5+ suggests positioning issues

Common KDA Misconceptions

1. Myth: Higher KDA always means you carried

   Reality: A 10/0/0 KDA is worse than 5/0/10 if your team lost because you didn’t help secure objectives

2. Myth: KDA is the most important stat

   Reality: Vision score, CS difference, and objective control often matter more in high elo

3. Myth: Dying once ruins your KDA

   Reality: Smart trades (1 for 1 or 1 for 2) can be worth it for objectives

How to Improve Your KDA

For Low KDA Players

1. Focus on not dying over getting kills
2. Ward more to avoid unnecessary deaths
3. Play for late-game scaling if early is rough
4. Review replays of your deaths

For Average KDA Players

1. Improve positioning in teamfights
2. Look for safe farm instead of risky plays
3. Communicate with team about engages
4. Track enemy cooldowns before fighting

For High KDA Players

1. Convert leads into objectives
2. Help teammates who are behind
3. Take calculated risks to snowball
4. Focus on vision control when ahead

KDA in Different Game Modes

KDA expectations vary significantly between game modes:

• Summoner’s Rift (5v5): Standard KDA calculations apply. Games typically last 25-40 minutes.
• ARAM: Higher average KDA due to constant teamfighting. 5.0+ KDA is common for good players.
• Flex Queue: Similar to solo queue but with more coordinated teamplay, often resulting in slightly higher KDAs.
• Normal Games: KDAs tend to be more inflated as players experiment with champions.

Scientific Research on Gaming Performance Metrics

Academic research has examined how performance metrics like KDA relate to skill development in competitive games:

• National Center for Biotechnology Information study on cognitive skills in MOBA games found that players with higher KDAs demonstrated better working memory and attention allocation during matches.
• A Games and Culture journal article analyzed how performance metrics like KDA create social hierarchies within gaming communities.
• Research from Carnegie Mellon University’s Robotics Institute applied machine learning to League of Legends data, finding that KDA alone predicts win probability with 68% accuracy, but this jumps to 89% when combined with other metrics like CS and vision score.

Frequently Asked Questions About KDA

Does KDA affect matchmaking?

Indirectly. While the matchmaking system primarily uses MMR (MatchMaking Rating), consistently high KDA can lead to faster MMR increases, which then affects who you get matched with.

What’s more important: KDA or CS?

For most roles, CS (creep score) is more important early game, while KDA becomes more significant in mid-to-late game. For ADCs, CS is typically the #1 priority throughout the game.

Why do supports often have high KDAs?

Supports naturally have higher assist counts because their role involves enabling kills for carries. Many support items also provide gold for assists, incentivizing this playstyle.

Can you have a negative KDA?

Mathematically no, since kills and assists can’t be negative. The lowest possible KDA is 0 (0 kills, 0 assists, 1+ deaths).

How does KDA calculate with no deaths?

If you have zero deaths, your KDA is simply kills + assists. For example, 10 kills and 5 assists with 0 deaths would be 15.0 KDA.