Convert Miles per Hour to Yards per Second

Convert Miles per Hour (mph) to Yards per Second (yd/s) instantly and accurately.

Miles per Hour (mph)
Yards per Second (yd/s)

Conversion Formula

yd/s = mph × 0.4888888889

About Miles per Hour

A mile per hour (mph) = exactly 0.44704 m/s - the primary road speed unit in the US, UK, and a few other countries. US interstate limits 65-85 mph; UK motorway 70 mph. Walking ~3-4 mph; club cycling 20-25 mph. MLB elite fastball 100 mph (44.7 m/s). Saffir-Simpson Category 5 hurricane ≥157 mph. Boeing 737 MAX cruises at ~521 mph (Mach 0.79). 1 mph = 0.44704 m/s = 1.60934 km/h = 0.86898 kn.

About Yards per Second

A yard per second (yd/s) = exactly 0.9144 m/s - brisk jog speed, natural for American and British sports. American football wide receivers at full sprint: 10-11 yd/s; defensive backs 9-10 yd/s. Ten-pin bowling ball rolls the 20 yd lane in 2-3 s ≈ 7-9 yd/s. A sprinting cricket fielder covers the 22 yd pitch in ~3 s ≈ 7 yd/s. Racing greyhound: ~20 yd/s. 1 yd/s = 0.9144 m/s = 2.04545 mph.

Quick Reference Table

Miles per Hour (mph)Yards per Second (yd/s)
1 mph0.488889 yd/s
2 mph0.977778 yd/s
5 mph2.44444 yd/s
10 mph4.88889 yd/s
25 mph12.2222 yd/s
50 mph24.4444 yd/s
100 mph48.8889 yd/s

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