The 3-Dart Average Mathematical Formula
Every television broadcast displays a running three-dart average. The mathematical formula calculates the expected points scored per standard visit of three darts:
- Suppose a player scores a total of 3,540 points across a match.
- They threw a combined total of 105 darts to complete those legs.
- Single dart average:
3,540 / 105 = 33.714 points per dart. - Three-dart average:
33.714 × 3 = 101.14.
The "Double Effect": Why Missed Checkouts Crush Averages
The most critical concept for new viewers to understand is that doubles drag down a player's average disproportionately.
Consider this scenario:
Player A: Clinical Checkout
Scores 180, 180, 101 to leave 40. Then hits Double 20 on their 10th dart.
Result: 501 points scored in 10 darts = 150.30 Average for that leg.
Player B: Double Trouble
Scores 180, 180, 101 to leave 40 in 9 darts (matching Player A). But Player B then misses 6 darts at double before pinning D10 on dart 16.
Result: 501 points in 16 darts = 93.94 Average for that leg.
Despite possessing identical scoring power, Player B's leg average plunged by over 56 points purely due to missing double attempts where each missed dart scores zero points.
First-9 Average vs Overall Match Average
Because doubles can mask a player's true scoring rhythm, PDC statisticians track the First-9 Average alongside the overall average.
| Metric | Measurement Window | What It Measures | Typical Elite Value |
|---|---|---|---|
| First-9 Average | First 9 darts thrown in every leg | Pure scoring power & treble 20 hitting rate (before finishing pressure) | 105.00 – 118.00 |
| Overall 3-Dart Average | Every dart thrown across the entire match | Complete performance blending scoring power with double conversion | 98.00 – 106.00 |
A player with a 112.00 First-9 average but a 98.00 overall average is dominating the scoring phase but struggling on their outer doubles.
The Paradox: Why Higher Averages Don't Guarantee a Win
In darts, you do not win matches by scoring more points—you win matches by winning legs and sets. This produces frequent situations where a losing player registers a higher average than the victor:
1. The Timing of 180s
A 180 hit when your opponent is already sitting on 32 points is largely wasted, yet it inflates your 3-dart average. A clutch 60 or 100 hit under immense pressure to leave a double may win the leg while lowering your mathematical average.
2. Set Play Mechanics
In the Sets and Legs format, blowouts skew numbers. If Player A wins a set 3–0 with a 115 average, but Player B grinds out the next two sets 3–2 with a 95 average, Player B leads 2–1 in sets despite having a lower cumulative average.
3. Holding Throw vs Breaking
A player throwing second must score higher just to stay level. If Player A holds throw in 15 darts every leg, they win the set effortlessly even if Player B was averaging higher across the visits.
Historical Benchmark Averages at the World Championship
Achieved only a handful of times in championship history. Highest in a final: Phil Taylor (110.94 in 2009). Highest in any match: Michael van Gerwen (114.05 in 2017 semi-final vs Raymond van Barneveld).
The standard required to win modern semi-finals and finals. Luke Littler, Luke Humphries, and MVG consistently average in this bracket during title runs.
The baseline level required to survive early rounds at Alexandra Palace. A player averaging 96 with 45% checkout conversion can defeat anyone on the circuit.
Averages under 90 rarely survive past the second round in modern PDC competition unless opponent double trouble intervenes.