What this calculator does
Work out a cricket team's net run rate, the number that splits teams level on points in a tournament table. Net run rate, or NRR, compares how fast a team scores with how fast it gives away runs. A positive figure means the team scores faster than its opponents across the competition. A negative one means it's being outscored.
The calculator works out NRR for a single match or for several matches added together. It reads overs the way cricket writes them, so 44.2 means 44 overs and 2 balls. It also applies the tournament rule for a side bowled out early: that side is charged its full quota of overs.
Where it's used
Why this math matters outside the classroom:
- Tournament tables. Fans level on points compare net run rates, such as +0.920 and +0.304, to see which team reaches the semi-finals.
- Planning a chase. A captain works out that scoring 200 in 30 overs, a rate of 6.67, would lift the team's NRR above a rival's.
- Club scorers. League scorers add each match's runs and overs and divide once to keep the season's points table up to date.
- Unit rate practice. Students convert 44.2 overs to 44⅓ overs and divide 241 runs by it to get a rate of about 5.44 runs per over.
- Comparing formats. Coaches compare a T20 side's 8.0 runs per over with a one-day side's 5.5 to set realistic scoring targets.
Grade level and standards: Grades 6–7; Common Core State Standards for Mathematics 6.RP.A.3.b, 7.NS.A.3. © Copyright 2010. National Governors Association Center for Best Practices and Council of Chief State School Officers. All rights reserved.
How to use it
- Choose one match, or several matches for a tournament figure.
- For one match, enter both teams' runs and overs. Tick the box for any side that was bowled out. Then set the overs per innings (50 for a one-day match, 20 for a T20).
- For a tournament, list each match's runs scored, overs faced, runs conceded and overs bowled, in the same order. Enter the full quota for any innings that ended all out.
- Read the net run rate. Then check the run rates scored and conceded and the overs that were counted.
What the inputs mean
- Overs your team faced
- Cricket writes overs as completed overs, a point, then the balls of the next over, from 0 to 5. So 44.2 is 44 overs and 2 balls. That's 44⅓ overs, not 44.2.
- Your team was bowled out
- Sometimes a team is bowled out before using its full overs. Then the tournament rule counts the full quota instead of the overs it actually lasted. That stops a collapse from looking like a fast scoring rate.
- Overs the opponents faced
- Cricket notation, as above.
- Overs per innings in this format
- The overs each side was allowed in this match. Use the reduced figure if a match was shortened before it started.
- Overs faced in each match
- One value per match. For an innings that ended all out, enter the full quota, such as 50 or 20, instead of the overs faced.
- Overs bowled in each match
- Cricket notation. If the opponents were bowled out, enter the full quota.
Formula and method
true overs = completed overs + balls ÷ 6 (44.2 → 44 + 2 ÷ 6 = 44.333) run rate scored = total runs scored ÷ total overs faced run rate conceded = total runs conceded ÷ total overs bowled net run rate = run rate scored − run rate conceded a side bowled out is charged its full quota of overs
An over has six balls, so the digit after the point is a count of balls, not tenths. The calculator turns every overs figure into balls and divides by 6 before doing any math. A run rate is runs per over.
Over a tournament, runs and overs are added up first and divided once. That isn't the same as averaging each match's net run rate. A long innings counts for more than a short chase, which keeps things fair between matches of different lengths.
The all-out rule matters a lot. Say a team collapses for 120 in 25 overs of a 50-over match. It's treated as if it batted for all 50 overs. So its run rate is 2.4, not 4.8.
Worked example
The invented Riverside XI make 287 in their 50 overs. Their opponents are bowled out for 241 in 44.2 overs. The match is a 50-over game.
- Riverside's run rate: 287 ÷ 50 = 5.74 runs per over.
- The opponents were bowled out, so they're charged the full 50 overs: 241 ÷ 50 = 4.82.
- Net run rate: 5.74 − 4.82 = 0.92.
- Without the all-out rule the opponents' rate would be 241 ÷ 44.333 = 5.436, and the NRR only 0.304.
Result: Riverside's net run rate from this match is +0.920.
Understanding the result
A net run rate of +0.92 means the team scored about 0.92 runs per over more than its opponents, across the overs counted. Over a 50-over match, that's a margin of roughly 46 runs.
Tournament NRR figures are usually small, often between −2 and +2. Tables are close, so a third decimal place can decide who goes through. That's why NRR is usually given to three decimals.
Assumptions and limitations
- Overs of six balls.
- Only matches with a result are entered. Abandoned matches and Super Overs (one-over tie-breakers) are left out, as tournament rules say.
- In the tournament mode, all-out innings have already been entered as the full quota.
- Matches decided by a rain rule use revised targets and overs set by the officials. Enter those figures yourself.
- Forfeited matches get special treatment in tournament rules and aren't handled automatically.
- Some competitions use their own rules. Check the event's rules for any difference.
Frequently asked questions
Why is 44.2 overs not 44.2 in the calculation?
In cricket notation the number after the point counts balls, and an over has six balls. 44.2 overs is 44 overs and 2 balls, or 44 + 2 ÷ 6 = 44.333 overs. Using 44.2 directly would make the run rate slightly wrong.
What happens to NRR when a team chases a target quickly?
The chasing team's runs are divided by the overs it actually took. So reaching 200 in 30 overs gives a rate of 6.67. That's why teams sometimes try to finish a chase fast late in a tournament: it lifts their net run rate.
Can I just average each match's net run rate?
No. Tournament NRR divides total runs by total overs across all matches. Averaging match figures gives a short, rain-shortened game the same weight as a full one. It usually gives a different answer.
Does a team's NRR change after it is knocked out?
Only if it plays more matches in that stage. Each new match adds its runs and overs to both totals, for the team and against it.
Sources
- Official explanation of which teams progress in the event of more than two sides being level on points (ICC) (checked 2026-10-19)
How this calculator is checked
Method: ICC tournament playing conditions for net run rate: total runs scored ÷ total overs faced minus total runs conceded ÷ total overs bowled, with a side bowled out charged its full quota of overs; checked against the ICC's published explanation 2026-10-19. The calculation is covered by automated tests with known reference values and edge cases. Last updated 2026-10-18. Found a problem? Tell us.
Embed this calculator
Put this Cricket Net Run Rate Calculator on your own website or blog for free. Paste this code where you want it to appear: