Chapter 02 – Developing Successful Organizational and Marketing Strategies
WHAT IS YOUR OWN FOG INDEX? HANDOUT2
Briefly, review this handout on how to calculate a Fog Index using the writing sample below
from The New York Times.
How to Calculate a Fog Index. Let’s calculate a Fog Index for the writing sample below, which
was taken from a recent article in The New York Times newspaper. The topic concerns the changes that
are about to occur in the Graduate Record Exam (GRE), the test needed for admission to many graduate
schools.
“Although the GRE still includes sections on verbal reasoning, quantitative reasoning, and
analytical writing, each section is being revised. The new verbal section, for example, will eliminate
questions on antonyms and analogies. On the quantitative section, the biggest change will be the addition
We can calculate a Fog Index for The New York Times passage using these steps:
1. Select a passage that is about 100 words.
3. Count the number of sentences (S): …………………………………………………………………….5
5. Divide the number of words in the passage by the number of
sentences: ………………………………………………………………….. (W ÷S) or (129 ÷5) = 24.0
6. Divide the number of complex words in the passage by the number of words,
then multiply the result by 100: (CW ÷ W) × 100 or (14 ÷ 120) × 100 = …………..11.7
7. Fog Index = [0.4 × ((W ÷ S) + ((CW ÷ W) × 100))]
The Fog Index represents the number of years of schooling the reader needs in order to
Calculating a Fog Index for Your Writing. For the sample of writing you brought to class,
calculate your own Fog Index.