How 18 km Becomes 24,324 Steps
Divide the distance by the average adult stride to get steps: 18,000 m ÷ 0.74 m ≈ 24,324 steps. In miles that's 11.18.
Height matters: at 155 cm you'd need about 28,050 steps, at 190 cm about 22,883 steps for the same 18 km. A taller walker takes fewer steps for the same distance.
Time to cover 18 km: 3h 36min moderate, 2h 46min brisk, 4h 30min slow.
How long does 18 km take on foot?
Moderate 5 km/h: 3h 36min. Brisk 6.5 km/h: 2h 46min. Slow 4 km/h: 4h 30min. Race-walk 8 km/h: 2h 15min.
Calories burned walking 18 km
A 70 kg adult burns ~926 kcal at moderate pace across 18 km. The 55–100 kg range spans 728–1323 kcal. Brisk 6.5 km/h raises a 70 kg walker to ~1018 kcal.
Steps by height
Because stride scales with leg length, step counts for the same 18 km vary widely. The table below shows exact step counts by height using the standard height×0.414 stride estimate.
Is walking 18 km worthwhile?
Approaches long-hike or event-day mileage — recover with hydration and light stretching. Cold weather (below 5 °C / 40 °F) can raise energy burn by ~5% as your body thermoregulates.

Steps in 18 km by Height
| Height | Avg stride | Steps |
|---|---|---|
| 155 cm (5'1") | 0.64 m | 28,050 steps |
| 165 cm (5'5") | 0.68 m | 26,350 steps |
| 170 cm (5'7") | 0.70 m | 25,575 steps |
| 175 cm (5'9") | 0.72 m | 24,845 steps |
| 180 cm (5'11") | 0.75 m | 24,155 steps |
| 185 cm (6'1") | 0.77 m | 23,502 steps |
| 190 cm (6'3") | 0.79 m | 22,883 steps |
Stride ≈ height × 0.414 (m).
How pace changes your 24,324-step walk
Leisurely
270 min
at 4 km/h
Moderate
216 min
at 5 km/h
Brisk
166 min
at 6.5 km/h
Calorie estimates use a 70 kg (154 lb) reference. Enter your own weight above for exact numbers.
24,324 steps vs the classic 10,000-step goal
That's 100% of a full 10,000-step day — do this 1× to hit the daily target.
100%
of 10k
Weekly
170,268
steps if daily
Monthly
729,720
steps if daily
Yearly km
6,570
if daily
Key takeaway
18 km ≈ 24,324 steps (11.18 miles), takes about 3h 36min at moderate pace, and burns ~926 kcal for a 70 kg adult.
Want your exact number?
Real-Life Scenarios
🟢 Everyday — 18 km walked once through
Priya (65 kg) walks 18 km from the station home. It takes about 3h 36min and burns ~860 kcal. Step count on her watch: ~24,324.
🟡 Weekend loop — 18 km with variable terrain
Mark (80 kg) takes 18 km along a mixed path. Elevation and softer ground push burn from ~1058 to ~1323 kcal.
🔴 Fitness plan — 18 km slotted into a weekly schedule
Julie (70 kg) walks 18 km 5×/week. Weekly kcal: ~4630. Weekly distance: 90.0 km.

In summary: 18 km ≈ 24,324 steps (11.18 miles), takes about 3h 36min at moderate pace, and burns ~926 kcal for a 70 kg adult.
