WCPM Calculator

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Formula

The following formula is used to calculate the total number of words correct per minute:

\[ WCPM = \frac{TW - M}{T} \]

Where:

\( WCPM \) is the words correct per minute

\( TW \) is the total number of words in the reading

\( M \) is the total number of mistakes made while reading the passage

\( T \) is the total time in minutes

To calculate \( T \), use the formula:

\[ T = m + \frac{S}{60} \]

Where \( m \) is the number of minutes and \( S \) is the number of seconds.

What is WCPM?

WCPM is an acronym that stands for words correct per minute. It’s a metric used in teaching to understand the reading comprehension of students.

Example Calculation

Let's calculate the WCPM for a student who read a 200-word passage in 2 minutes and 10 seconds with 6 mistakes:

Total Words (TW) = 200

Mistakes (M) = 6

Minutes (m) = 2

Seconds (S) = 10

First, calculate the total time in minutes:

\[ T = 2 + \frac{10}{60} = 2.167 \text{ minutes} \]

Then, calculate the WCPM:

\[ WCPM = \frac{200 - 6}{2.167} = 89.53 \]