Last updated: March 2026
What Is the Dart Score Calculator?
The Dart Score Calculator is a free tool that tracks scores, calculates checkouts, and manages games of 301, 501, and Cricket for up to 4 players. Click the interactive dartboard or use the quick-entry buttons to record each throw. The calculator handles all subtraction, bust detection, and finishing suggestions automatically.
Dart scoring can be surprisingly complex, especially when you are trying to work out the optimal finish path while under pressure. Professional players memorize all 169 checkout combinations, but most pub players do not. This calculator gives you instant access to the same checkout knowledge that pros carry in their heads.
Dart Scoring Explained
Single segments score face value (1-20). The double ring (thin outer) scores 2x the number. The triple ring (thin inner) scores 3x. The outer bull scores 25 and the inner bullseye scores 50 (counting as a double 25).
In 501, both players start at 501 and subtract each dart. The first to reach exactly zero wins, but the final dart must land in a double segment (in standard rules). If your throw takes you below zero or to 1, it is a bust and your turn score is cancelled. This calculator handles all of these rules automatically.
The maximum possible score with three darts is 180 (three triple-20s). The highest possible checkout is 170 (triple 20, triple 20, bullseye). When you are within checkout range, the calculator shows the optimal path — the same combinations used on the PDC and BDO tour.
Frequently Asked Questions
How do I calculate my dart score?
Each number on the dartboard scores its face value for the single segments. The thin outer ring (double) scores 2x the number, and the thin inner ring (triple) scores 3x. The outer bull scores 25 and the inner bull (bullseye) scores 50. In a game of 501, you start at 501 and subtract each dart's score. This calculator does all the subtraction automatically.
What is the highest possible score with 3 darts?
The maximum 3-dart score is 180, achieved by hitting triple 20 three times (60 + 60 + 60). This is called a 'maximum' or simply a '180' and is the most celebrated throw in professional darts. The highest possible checkout (finishing combination) is 170: triple 20, triple 20, bullseye.
How does the checkout calculator work?
When your remaining score is 170 or below, the calculator automatically displays the recommended combination of darts to finish the leg. It uses the standard professional checkout paths that prioritize reliable finishing doubles like D20 and D16. All 169 possible finishes are pre-computed.