Your chances of winning a block:

Represented as Hash rates of different miners:

Nerdminer: 20 KH/s = 20,000 H/s

Bitaxe: 750 GH/s = 750,000,000,000 H/s

Bitmain Antminer S9: 13.5 TH/s = 13,500,000,000,000 H/s

Bitmain Antminer S19: 110TH/s = 110,000,000,000,000 H/s

Bitmain Antminer S21: 200TH/s = 200,000,000,000,000 H/s

Current Global Hash rate 628EH/s = 628,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000