Guides › Net run rate

How net run rate (NRR) is calculated

When two teams finish level on points, net run rate decides who goes through. It measures how quickly a team scored compared with how quickly its opponents scored against it, across all its matches in the tournament.

The formula

NRR = (total runs scored ÷ total overs faced) − (total runs conceded ÷ total overs bowled)

In other words: your team's run rate with the bat, minus the run rate you allowed with the ball. A positive NRR means you score faster than you concede.

Step 1: convert overs into decimals

Overs are written as overs.balls, so 16.4 means 16 overs and 4 balls, not 16.4 overs. Before dividing, turn the balls into a fraction of an over (one over is 6 balls):

• 16.4 overs = 16 + 4/6 = 16.667 overs
• 19.3 overs = 19 + 3/6 = 19.5 overs
• 8.1 overs = 8 + 1/6 = 8.167 overs

The easiest way is to count balls: 16.4 overs is 100 balls, and run rate = runs × 6 ÷ balls.

Step 2: add up every match

NRR is not an average of each match's NRR. You add all runs and all overs across the tournament first, then divide once.

Worked example

Rising Stars have played two matches:

• Match 1: scored 150 in 20 overs; conceded 140 in 20 overs.
• Match 2: scored 120 in 18.3 overs (chased the target); conceded 118 in 20 overs.

Totals: scored 270 runs in 38.5 overs (231 balls); conceded 258 runs in 40 overs (240 balls).

• Batting run rate = 270 × 6 ÷ 231 = 7.013
• Bowling run rate = 258 × 6 ÷ 240 = 6.450
• NRR = 7.013 − 6.450 = +0.563

Points and NRR in a CricAura points table

• Win: 2 points. Tie, draw or no result: 1 point. Loss: 0.
• Teams are ranked by points first, then NRR, then alphabetically.
• Test matches and drawn matches still give points but do not change NRR, because their overs aren't comparable to a limited-overs game.
• Each group in a round gets its own points table and NRR; knockout rounds don't have one.
• CricAura uses the balls each side actually faced and bowled. (International cricket also has an "all out" rule that counts a bowled-out side as having faced its full quota of overs; CricAura does not apply that adjustment.)

Let the app do the maths

If you score your tournament on CricAura, the points table and NRR update by themselves after every match, for every group and round. See how to run a tournament or open the web app.