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16 km/h is about 9.94 mph, close to an easy cycling or jog pace over level ground.

On most treadmills, speed 11 means about 11 mph (17.7 km/h), which equals roughly a 5:27 mile or 3:23 per kilometre pace.

Keto flu can start within 1–3 days of cutting carbs, though some people feel it later in the first week.

Most 5K runners finish in 20–40 minutes, from about 6:30 per mile for quick club runners to 12–13 minutes per mile for relaxed first timers.

On a treadmill, 7.6 mph equals about a 7:54-per-mile running pace, which feels like a solid workout run for many gym users.

Ten kilometers per hour equals about 6.2 miles per hour, close to a steady walking pace on flat ground.

On most treadmills, 6.6 means 6.6 mph (about a 9:05 mile), while 6.6 km/h is a brisk 4.1 mph walk.

4.2 on a treadmill is 4.2 mph (6.8 km/h), about a 14:17 mile pace or 8:53 per km.

3 miles in 45 minutes equals 4 mph, which is a 15:00 per mile pace (9:19 per km).

A 5km in 20 minutes is a 4:00 per km pace, which equals 15 km/h and about 6:26 per mile.