Pot odds & outs
Turn the cost of a call into required equity and estimate your chance of hitting an out.
Pot odds & outs
Required equity25.0%
Pot 300 including the bet, call 100 → 100 ÷ 400 = 25%.
Required equity against this bet: 33.3%
Chance of hitting at least one out35.0%
Rule of 2 / 4 estimate: 36.0%