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Fact · Typing and writing speed

0.9hours per year

At one use a day on 250 working days, a 13.0-second saving per use adds up to about 0.9 hours a year.

Checked against its source on October 16, 2026

How it is calculated: 13.03 seconds x 1 use x 250 days = 3,258 seconds = 0.905 hours, rounded to 0.9
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.

One expansion a day saves about 0.9 hours a year | Yap