How Is Typing Speed Measured? WPM vs Raw WPM Explained

What is standard WPM?

Standard (corrected) WPM is the score employers, certification exams and Tapwpm use. It is the only number that reflects real-world productivity because it penalises errors — a typo that needs correcting later is not free work.

Errors are harsh here: each wrong, skipped or extra keystroke first removes itself from the correct tally, then subtracts an additional word unit at the division stage. That's why a 60 WPM typist at 98% accuracy usually beats an 80 WPM typist at 85% accuracy in real work.

What is raw WPM?

Raw WPM uses the same 5-keystroke word convention but ignores errors entirely — every keystroke counts as valid, including typos:

Raw WPM is almost always higher than corrected WPM, and the gap widens as accuracy drops. Many free typing widgets only show raw WPM, which is why people say their WPM is "80" when certification exams would score them closer to 55.

Use raw WPM only as a speed ceiling reference — it tells you how fast your fingers physically move, not how much usable text you produce.

How accuracy is calculated

Accuracy is the percentage of keystrokes that match the target text exactly. Wrong, skipped and extra inserted characters all count as errors:

• Backspaces do not directly count as errors, but the wrong character you backspaced still does.
• Above 95% is the practical minimum for serious work; 98%+ is the professional target.

For a deeper look at WPM tiers and what each accuracy band maps to, see our average WPM chart by skill level.

Consistency metric explanation

Consistency measures how stable your per-second WPM is across the whole test. It is calculated as one minus the coefficient of variation over rolling windows of a few seconds:

• 80%+ is good, 90%+ is excellent.
• Low consistency usually signals weak-key hesitation or fatigue, not a top-speed problem.
• Improving consistency often lifts corrected WPM more than chasing raw speed, because smoothing removes long pauses.

Why different websites give slightly different WPM results

If you test the same passage on three typing sites and get three different scores, it isn't a bug — providers use slightly different conventions. Knowing them lets you compare scores apples-to-apples.

For tracking progress, always compare scores from the same provider. Tapwpm uses the 5-keystroke industry standard, includes spaces, and credits backspaced fixes — the same conventions used by most professional certification exams.