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Table Tennis · Science

Table Tennis Reaction Time Calculator

Calculate how fast you must react to return a table tennis ball at a given speed.

Reaction time needed

Time to react

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Frequently asked questions

How fast are table tennis balls hit?

Casual drives: 40-60 km/h. Competitive topspin: 60-100 km/h. Elite smashes and loops: 100-180 km/h. The fastest recorded table tennis stroke exceeds 180 km/h, giving an opponent at the table less than 55ms of travel time.

How do elite players return such fast balls?

Primarily through anticipation — reading spin from the opponent's backswing and contact point, and positioning themselves before the ball is hit. True reaction to a fast ball is humanly impossible; experienced players process pre-contact cues almost automatically.