Estimate calories used on a hike from body weight, route distance, active time or pace. Choose an exact published hiking activity, or model a steady loaded segment using pack weight, terrain and positive grade.
- Speed, pace, distance or time
- Pack and terrain equation
- Total and active calories
- Metric and US units
Hiking Calories Burned Calculator
Use a 2024 Adult Compendium preset for a named hiking activity. Use the load-and-terrain equation only for a steady level or uphill segment within the displayed limits.
Normal hiking through fields and hillsides for 1 hour at 70 kg
Energy estimate details
5.3 METsRoute and effort details
Code 17082Intensity and weekly projection
CompendiumSame body weight and time, different hiking choices
These comparison rows use the entered body weight and active duration. They do not claim the routes cover the same distance, terrain or elevation.
| Hiking activity | Method or MET | Total calories | Active calories |
|---|---|---|---|
| Hiking or walking at a normal pace through fields and hillsides, no load | 5.3 MET | 390 kcal | 316 kcal |
| Hiking, cross country (Taylor Code 040) | 6.0 MET | 441 kcal | 368 kcal |
| Backpacking (Taylor Code 050) | 7.0 MET | 515 kcal | 441 kcal |
| Backpacking, hiking with a daypack, organized walking with daypack | 7.8 MET | 573 kcal | 500 kcal |
Selected source: 2024 Adult Compendium code 17082.
Pack weight, terrain and elevation are not added to this fixed published MET. Choose a closer preset or the separate load-and-terrain equation when appropriate.
Recent calculations
Results stay in this page session. The calculator does not send or save your inputs.
How to Use This Hiking Calorie Calculator
- Choose metric or US units and enter body weight without the backpack.
- Select the route information you know. You can enter speed and time, pace and time, distance and time, or distance and pace.
- Use active movement time. Remove long stops so average speed and energy describe the moving portion of the hike.
- Choose a calculation method. Published activity mode uses one exact Compendium description. Load-and-terrain mode models a steady level or uphill segment.
- For the route equation, enter pack load, a listed terrain factor and either representative positive grade or cumulative elevation gain.
- Review total calories, active calories above rest, pace, distance, elevation, equivalent intensity and weekly projection.
Each entry mode resolves to the same three route measures: distance, active duration and average moving speed. If you enter four kilometres and one hour, the tool derives 4 km/h. If you enter a 15:00 min/km pace for one hour, it derives the same speed and distance. This equivalence keeps the calorie method separate from how you recorded the route.
What the Hiking Calorie Result Includes
The large result is total, or gross, energy for the entered active period. It includes standardized resting energy your body would have used during the same minutes. The activity-calorie result removes a one-MET resting reference. A tracker may call this second measure “active calories.”
Distance and elevation appear in the route summary, but they do not automatically increase a published Compendium MET. The preset already represents the named activity. In route-equation mode, speed, pack load, positive grade and the selected terrain factor enter the equation directly.
Two Hiking Calculation Methods
| Method | Best used when | What controls calories | Main limitation |
|---|---|---|---|
| Published activity preset | Your hike matches a listed activity description | Body weight, active minutes and the exact published MET | It does not personalize the cost of your specific trail |
| Load-and-terrain equation | You want to model a steady loaded level or uphill segment | Body mass, pack, speed, positive grade, terrain and time | It does not model a changing mixed-terrain route or downhill cost |
The methods are not averaged. The calculator does not choose the larger result. It also does not add pack mass to body weight in preset mode. Loaded presets already describe a load condition, so adding the pack again would count the load twice.
Hiking MET Calorie Formula
The 2024 Adult Compendium assigns metabolic equivalent, or MET, values to standardized activity descriptions. One standard MET represents 3.5 millilitres of oxygen per kilogram per minute. For a selected preset, the calculator uses:
A MET is a population reference, not an individual oxygen measurement. The same route can feel easy to one person and hard to another. Fitness, movement economy, temperature, altitude and surface conditions can move actual energy use away from a standardized value.
Worked hiking calorie example
A 70 kg adult hikes for 60 active minutes at a normal pace through fields and hillsides without a load. Adult Compendium code 17082 assigns this activity 5.3 METs.
Total energy is 5.3 x 3.5 x 70 / 200 x 60 = 389.55 kcal, rounded to 390 Calories. Activity energy is (5.3 - 1) x 3.5 x 70 / 200 x 60 = 316.05 kcal, rounded to 316 kcal. The standardized resting portion is 73.5 kcal.
Published Hiking and Backpacking MET Values
The tool preserves the source descriptions and does not interpolate between codes. Pace, load and grade ranges overlap for some hill activities, so choose the complete description rather than matching only one number.
| Activity description | MET | Code |
|---|---|---|
| Hiking slowly or ambling through fields and hillsides, no load | 3.8 | 17081 |
| Hiking or walking at a normal pace through fields and hillsides, no load | 5.3 | 17082 |
| Hiking, cross country (Taylor Code 040) | 6.0 | 17080 |
| Backpacking (Taylor Code 050) | 7.0 | 17010 |
| Backpacking, hiking with a daypack, organized walking with daypack | 7.8 | 17012 |
| Climbing hills, no load, 6 to 10% grade, moderate-to-brisk pace | 7.0 | 17035 |
| Climbing hills, no load, 11 to 20% grade, slow-to-moderate pace | 8.8 | 17036 |
| Climbing hills, 21 to 40 lb load, 3 to 10% grade, moderate-to-brisk pace | 7.5 | 17050 |
| Climbing hills, 20+ pound load, 5 to 20% grade, moderate to brisk pace | 10.0 | 17060 |
Cross-country hiking and backpacking are broad categories. The organized walking or hiking with a daypack description has a separate 7.8-MET value. The “assumed in the city” level walk with a day pack is only 3.5 METs. These differences show why the closest full activity description matters more than selecting a category based on the word “pack” alone.
How the Load-and-Terrain Equation Works
The optional route method uses the Pandolf load-carriage equation. It estimates metabolic power in watts for standing or walking slowly with a carried load. The calculator applies it only to level or positive-grade movement, then converts watts to food calories.
- M is estimated metabolic power in watts.
- W is body mass in kilograms, excluding the pack.
- L is external load in kilograms.
- V is moving speed in metres per second.
- G is positive grade in percent, so 5% enters as 5, not 0.05.
- η is the published terrain factor.
The terrain factor multiplies the dynamic walking term, not the entire equation. The calculator uses a 0.5 to 3.5 mph product range, a 0 to 20% positive-grade limit, a 0 to 50 kg pack limit and a 20-equivalent-MET combined-output limit. These are calculator safeguards, not research validation boundaries or promises that the equation is equally accurate at every accepted combination.
Pack Weight, Terrain and Elevation Gain
Pack load
Pack weight affects route-equation results. Enter the full external load, including the pack, water, food and equipment. Keep body weight separate. A heavy pack also changes balance, fatigue and injury risk in ways a calorie equation does not measure. The tool warns when load exceeds 40% of body weight and blocks a pack heavier than body weight.
Terrain
Select only a listed factor. A dirt road uses 1.1, light brush 1.2, heavy brush 1.5, swampy bog 1.8, loose sand 2.1 and soft snow around 15 cm deep 2.5. “Rocky technical trail” has no single factor in this list. Do not relabel a terrain choice merely to force a higher result.
Elevation gain and grade
Cumulative elevation gain is the sum of positive climbing, not the difference between start and finish elevation. In gain mode, the calculator divides positive gain by route distance to create a gain-equivalent grade. A 200 m gain over 4 km becomes 5%. This spreads climbing across the route and is not the steepest pitch.
The route equation does not model downhill energy. It treats a gain-equivalent route as if the positive climbing cost were distributed across the entered distance. For a route with large descents, technical scrambling or rapidly changing slope, use the result as a rough planning scenario.
Why Actual Hiking Calories Differ
- GPS distance and elevation gain contain measurement error, especially under tree cover or near cliffs.
- Loose rocks, roots, mud, stream crossings and technical steps alter movement economy.
- Altitude, heat, cold, wind and humidity change physiological strain.
- Fitness, body composition, gait, poles, footwear and pack fit affect efficiency.
- Frequent stops, short steep bursts and fatigue break the steady-state assumption.
- Medication, pregnancy, illness and chronic conditions can change exercise response.
The Pandolf equation originated in small military load-carriage samples. Later complex-terrain research found that several predictive equations underestimated measured load-carriage cost. This page keeps the method transparent and presents the result as an estimate, not a measurement.
Hiking Calculator Versus a Fitness Tracker
A watch may combine heart rate, GPS, accelerometer data, age, sex, height and a private algorithm. This tool uses a transparent published activity value or load-carriage equation. Different inputs and definitions produce different totals.
Check whether the device reports total or active calories, whether pauses were removed and whether elevation data were corrected. Compare repeated hikes using the same device and settings. A consistent trend is often more useful than treating one number as exact.
Using Hiking Calories for Weight Planning
A hike contributes to total energy expenditure, but one session result does not predict weight change. Food intake, resting needs, routine activity, training adaptation and biological variation all matter. Short-term scale movement also reflects water, glycogen and digestion.
A TDEE estimate may already include routine exercise through an activity factor. Adding every hiking calorie again can double-count some activity. Use one consistent planning method and avoid extreme food restriction based on an estimated exercise number.
Hiking Safety and Appropriate Effort
Absolute MET intensity does not describe personal difficulty. A moderate standardized activity may feel vigorous to someone who is new to hiking, carrying extra load, at altitude or managing a health condition. Increase distance, elevation and pack weight gradually.
Plan water, food, weather protection, navigation, lighting and turnaround time. Tell someone your route where appropriate. Stop and seek urgent medical help for chest pain, fainting, severe light-headedness, unusual shortness of breath or another concerning symptom.
Sources and Methodology
- 2024 Adult Compendium walking activities, including hiking, backpacking, hill and load descriptions.
- Compendium unit conversions, including the standard MET-to-calorie formula.
- 2024 Adult Compendium update paper, including scope and methodology.
- Pandolf, Givoni and Goldman load-carriage equation, the original 1977 model.
- Terrain coefficients for energy-cost prediction, including several classic surface factors.
- Walking over soft snow and other terrain, supporting the listed snow-depth factor.
- Complex-terrain load-carriage evaluation, including limitations of predictive equations.
The standard 2024 Adult Compendium page applies to adults ages 19 to 59. A separate Older Adult Compendium exists. This calculator does not present either population reference as an individualized metabolic test.
Related Health and Activity Calculators
Frequently Asked Questions
How does the hiking calorie calculator work?
Published activity mode applies the exact MET assigned to your selected hiking description. Load-and-terrain mode applies the separate Pandolf equation to body mass, pack load, speed, positive grade, terrain and active time.
How many calories does one hour of hiking burn?
It depends on body weight and activity. A 70 kg adult at 5.3 METs for normal hiking uses about 390 total kcal or 316 activity kcal above rest in 60 active minutes.
Does carrying a backpack increase hiking calories?
A pack generally increases energy cost. Choose a published loaded activity or use route-equation mode. Do not add pack mass to body weight in a MET formula because a loaded preset already includes its described load.
Does elevation gain increase hiking calories?
Positive grade raises the route equation estimate. In preset mode, elevation is context only because the selected MET stays fixed. Cumulative gain divided by route distance gives a gain-equivalent grade, not the steepest slope.
Are total calories and active calories the same?
No. Total calories include standardized resting energy during the hike. Active calories subtract one standard MET to estimate the portion above rest. Fitness devices may label these measures differently.
Why is hiking different from level walking?
Hiking may include uneven terrain, elevation change, softer surfaces and a pack. Use the walking calculator for a firm level route. Use a matching hiking preset or the limited route equation for hiking.
Why does my watch show a different calorie result?
Your watch may use heart rate, motion, GPS and personal profile data. It may also report active instead of total calories or include a different duration. This tool uses transparent published methods.
How accurate is a hiking calorie estimate?
It is a population-based planning estimate, not a direct metabolic measurement. Fitness, terrain, altitude, weather, pack fit, GPS error, stops and individual movement economy can change actual energy use.