Hiking Time Calculator
Estimate hiking time from distance and elevation gain using Naismith's rule. See difficulty rating.
Estimated Hiking Time
2h 25m
Average Pace
2.1 mph
Difficulty
Moderate
Recommended Gear
| Water | 1.2 liters (min) |
| Snacks | 483 cal of food |
| Footwear | Hiking boots |
| Navigation | Trail map / GPS app |
| Sun Protection | Hat, sunscreen, sunglasses |
| Layers | Rain jacket, extra layer |
Based on Naismith's Rule adjusted for fitness level. Actual time varies with terrain, weather, trail conditions, and rest stops. Always plan for extra time and carry the 10 Essentials.
Use the Hiking Time Calculator above to calculate your results. Enter your values and see instant results — all calculations run in your browser.
Disclaimer: This calculator is for informational purposes only and does not constitute tax, financial, or legal advice. Results are estimates based on the information you provide and current rates. Always consult a qualified tax professional or financial advisor for advice specific to your situation.
How It Works
The Hiking Time Calculator estimates the duration of your hiking trip based on distance and elevation gain, utilizing the widely recognized Naismith's Rule. This tool is invaluable for planning safe and enjoyable hikes, helping you allocate sufficient daylight hours and pack appropriate supplies. With outdoor recreation booming, accurate time estimation is crucial for navigating trails, especially with the 2026 projected increase in trail usage across national parks.
Naismith's Rule, developed in 1892, calculates hiking time by assuming a baseline walking speed and adding time for elevation changes. The standard formula is: Time = (Distance in miles / 3 mph) + (Elevation Gain in feet / 2000 ft/hr). For example, a 5-mile hike with 1000 feet of elevation gain would be calculated as (5/3) + (1000/2000) = 1.67 + 0.5 = 2.17 hours.
While Naismith's Rule provides a solid baseline, remember it doesn't account for personal fitness levels, trail conditions (mud, snow, scrambling), or extended breaks. A common mistake is underestimating the impact of rough terrain or adverse weather, which can significantly slow your pace. Always add a buffer to your calculated time, particularly if you're hiking with less experienced individuals or plan to take many scenic stops.
Example: Planning a Scenic 2026 Sierra Foothills Hike
- 1 You're planning a 7-mile hike in the Sierra Foothills with an elevation gain of 1500 feet.
- 2 Using Naismith's Rule: Time = (7 miles / 3 mph) + (1500 feet / 2000 ft/hr) = 2.33 hours + 0.75 hours = 3.08 hours.
- 3 The estimated hiking time is approximately 3 hours and 5 minutes.
- 4 Considering potential breaks for photography and a snack, you might budget 4 to 4.5 hours for this hike, allowing ample time to enjoy the views and return before sunset, especially with the 2026 projected increase in trail visitors meaning fewer secluded rest spots.
Source: ACE · Last updated: April 2026
Frequently Asked Questions
How long does it take to hike a mile?
What is the Naismith Rule for hiking?
How many calories does hiking burn per hour?
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