Cricket · Rules and guides
Cricket guides, rules and calculators
Guides and calculators for limited-overs cricket: how to keep score, what the extras are, how Test, ODI, T20, T10 and The Hundred differ, and tools for run rates, strike rate and economy.
New to scoring? Start with how to keep score in cricket, which covers runs, extras, wickets and overs, how to write a score like 145/6 in 18.2 overs, and how targets and results work, with a T20 chase over by over.
Cricket extras explains wides, no-balls, byes and leg byes and who gets the runs. Cricket formats explained compares Test, ODI, T20, T10 and The Hundred, and The Hundred rules covers sets of five, the powerplay and the Super Five. The free calculators work out required run rate, net run rate, strike rate and economy, and convert overs to balls.
The rules here follow the MCC Laws of Cricket, the ICC playing conditions and, for The Hundred, the ECB's playing conditions. The cricket score tracker app keeps the team score with one tap per ball for T20, ODI, T10 and The Hundred. Looking for Cricket the darts game? The app's darts mode is 501 and 301 only; see darts scoring.
Scoring guides
Free tools
Rules explained
Formats and variations
Comparisons
Last reviewed September 25, 2026
Keep score with one tap.
Sport Score Tracker keeps cricket score on iPhone and Apple Watch, so you can play instead of counting. Offline, no ads, no account.