The Flesch Reading Ease score is calculated using the formula: 206.835 - (1.015 x ASL) - (84.6 x ASW), where ASL is the average sentence length (number of words divided by the number of sentences) and ASW is the average number of syllables per word. The Flesch-Kincaid Grade Level is calculated with: 0.39 x ASL + 11.8 x ASW - 15.59.