What is the average xG of a goal? : r/footballtactics - Reddit

Essentially, Expected Goals (xG) is a metric that's intended 📈 to measure the probability of a shot resulting in a goal.

What is Expected Goals (xG)? - Jobs in Football

Expected goal 📈 assigns a value to each shot between 0.00 and 1.00 to reflect the probability that it will result in a 📈 goal. A shot that measures 0.01 xG suggests it could reasonably be expected to result in a goal one in 📈 100 times. In other words, there is a 1 per cent chance it will go in  so not 📈 a very good chance.

Expected goals: explained - The Coaches' Voice