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Fact · Typing and writing speed

18.1hours per year

At 20 uses a day on 250 working days, a 13.0-second saving per use adds up to about 18.1 hours a year.

Checked against its source on October 16, 2026

How it is calculated: 13.03 seconds x 20 uses x 250 days = 65,150 seconds = 18.1 hours
What it does not show: Assumes 250 working days, which is an assumption, not a measurement.

Calculated from

Replacing a 60-character sign-off with a four-character abbreviation saves about 13.0 seconds per use at a keyboard speed of 51.56 words per minute.

Twenty expansions a day save about 18.1 hours a year | Yap