As a general guide; reading slow – 100, regular – 120, fast – 150. Estimates – 360 words =3 minutes | 600 words = 5 mins | 1,200 words = 10 mins | 1,800 words = 15 mins | 3,600 = 30 mins | 4,800 = 40 mins | 7,200 = 60 mins | 9,600 = 80 mins | 10,800 = 90 mins