20,000 steps calories — how many calories do you burn?
Calorie burn from walking 20,000 steps, by your body weight and pace.
Quick answer
≈ 745 calories
For a 155 lb (70 kg) walker at a normal pace · covers 9.44 mi / 15.2 km · about 3 h 2 min
Walking 20,000 steps burns about 745 calories for an average adult (155 lb / 70 kg) at a normal pace. That's the distance of 9.44 miles (15.2 km) and takes around 3 h 2 min. Calorie burn scales with body weight — lighter walkers burn less, heavier walkers burn more.
For context: 745 calories is about 4.7× a chocolate chip cookie (160 cal).
Distance depends on your height
Your stride length is roughly 0.41 × your height — so a shorter walker covers less ground per step.
| Your height | Stride | Miles | Kilometers |
|---|---|---|---|
| 4'10" (147 cm) — petite | 60.7 cm | 7.54 mi | 12.1 km |
| 5'4" (163 cm) — avg woman | 67.3 cm | 8.37 mi | 13.5 km |
| 5'9" (175 cm) — avg adult | 72.6 cm | 9.03 mi | 14.5 km |
| 6'0" (183 cm) — avg man | 75.9 cm | 9.44 mi | 15.2 km |
| 6'4" (193 cm) — tall | 80.1 cm | 9.95 mi | 16.0 km |
Calories burned by weight and pace
Calories scale linearly with body weight. Faster paces burn more — but only modestly more for walking.
| Your weight | Slow (2 mph) | Normal (3.1 mph) | Brisk (4 mph) |
|---|---|---|---|
| 120 lb (54 kg) | 641 cal | 575 cal | 577 cal |
| 150 lb (68 kg) | 807 cal | 724 cal | 727 cal |
| 180 lb (82 kg) | 974 cal | 872 cal | 876 cal |
| 210 lb (95 kg) | 1,128 cal | 1,011 cal | 1,015 cal |
| 250 lb (113 kg) | 1,342 cal | 1,202 cal | 1,208 cal |
How long will it take?
Time depends on your walking pace. Most adults walk at a normal pace of about 3 mph.
| Pace | Speed | Time |
|---|---|---|
| Slow (2 mph) | 2 mph | 4 h 45 min |
| Normal (3.1 mph) | 3.1 mph | 3 h 2 min |
| Brisk (4 mph) | 4 mph | 2 h 22 min |
Track your real numbers with Steps
These conversions use averages. The Steps app tracks your actual step length, calories, and walking time — synced from your iPhone and Apple Watch.
Related conversions
Frequently asked questions
How many calories does 20,000 steps burn?+
20,000 steps burns about 745 calories for a 155 lb (70 kg) person walking at a normal 3 mph pace. Heavier walkers burn more — see the weight table on this page.
Does walking pace change calorie burn?+
Slightly. Walking at 4 mph (brisk) burns about 30% more calories per minute than 2 mph (slow), but you also cover the distance faster, so the total calorie burn for a fixed step count is closer than you'd think. Total calories range from about 807 (slow) to 727 (brisk) for a 150 lb person.
Does 20,000 steps burn enough calories to lose weight?+
745 calories is a meaningful chunk of a daily deficit — roughly 0.5 lb of weight loss over two weeks if you don't compensate by eating more. Combined with even modest dietary adjustments, it can drive steady weight loss.
How long does it take to walk 20,000 steps?+
About 3 h 2 min at a normal walking pace (3 mph). Faster pace at 4 mph: 2 h 22 min. Slower 2 mph stroll: 4 h 45 min.
What's the formula behind these numbers?+
We use the standard MET-based calorie formula: Calories = MET × weight (kg) × time (hours). For a normal walking pace MET = 3.5. We assume an average stride of 76 cm to convert steps into distance, then distance into walking time.