247SportTools
Tennis · Serving

Serve Speed Calculator

Convert a serve's distance and time into speed, or convert between mph and km/h.

Last updated: 4 October 2026

Reviewed by Jordan Morley, FA Level 2 Football Coach

Serve speed

Serve speed
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Frequently asked questions

What's a fast serve for a club player?

A solid club first serve is often 80–100 mph. Strong college and pro players regularly exceed 110–120 mph, with the very fastest serves on tour topping 150 mph.

How much faster are pro serves than club-level serves?

Professional first serves regularly reach 190-230 km/h (120-140+ mph), roughly 50-70% faster than a strong club player's first serve, which typically sits in the 130-160 km/h range.