Walking Travel Time

Walking trip time: formula and reference paces

Walking time follows th = distancekm / speedkm/h. The average adult walking speed is 5 km/h on flat ground. Pick up the pace and you reach 6-7 km/h; take it easy and you drop to 3-4 km/h. Example: 1 km takes about 12 minutes at normal pace, or 8-10 minutes if you push it. For hiking, the Naismith rule adds 1 hour per 600 m of climb. Apps like Strava, Apple Health, Google Fit and pedometers turn step count into distance using stride length (~0.7-0.8 m for adults), so 10,000 steps works out to roughly 7-8 km.

Applications: health, training and routine

Handy for the 10,000 steps/day goal popularised in Japan, for the NIH and WHO recommendations of 150 min/week of moderate activity, and for building an aerobic base in marathon training (long easy walks before the run-walk method). It also helps with urban planning of accessibility radii, the 15-minute city idea, and with estimating arrival time when public transport stops short of where you're going.

FAQ

Does walking on an incline change the time much? Yes. On a 10% gradient, expect your speed to drop by 25-35%, and on stairs the effort is closer to climbing than to walking.

Is 10,000 steps a magic number? Not really. It came out of a 1960s marketing campaign. Recent studies (Lee et al., JAMA 2019) found clear benefits already at 7,500 steps for older adults.

How do I know my real stride length? Walk a measured 100 m and count your steps. Divide 100 by that count to get your stride in metres. Most adults land between 0.65 m and 0.85 m.