Biking is one of the most efficient forms of cardiovascular exercise when it comes to burning calories. Whether you're cycling on a stationary bike at the gym or riding outdoors, the number of calories you burn depends on several key factors including your weight, the intensity of your ride, and how long you're on the saddle.

Calories Burned by Weight and Intensity

A person weighing 60kg can burn around 240 calories in 30 minutes of moderate cycling. That number jumps to roughly 300 calories for someone who weighs 75kg, and around 360 calories for a person weighing 90kg. If the same individuals cycle vigorously, calorie burn increases substantially: 60kg might burn 400 calories, 75kg about 500, and 90kg close to 600 in just 30 minutes.

Calories Burned by Style of Biking

The style and context of your cycling session matter a lot. Leisurely biking on flat terrain uses fewer calories than high-intensity interval cycling or uphill mountain biking. Stationary cycling tends to be more controlled and can vary based on resistance settings.

Road biking at a moderate speed of 12-14 mph can burn between 400-600 calories per hour depending on your weight. Mountain biking with elevation gains can push that to 600-900 calories per hour. Spinning classes, known for their intensity and intervals, often help you burn up to 700-1000 calories per hour.

Nutritional Breakdown of Energy Use

When you bike, your body taps into stored glycogen (carbohydrate reserves) and body fat to produce energy. At moderate intensity, the body uses a mix of carbs and fats. At high intensity, carbs become the primary fuel source. The result is not only calorie burn but also improved metabolic function.

Benefits of Biking

Cycling strengthens the heart, lungs, and muscles while improving joint mobility and reducing stress levels. It is a low-impact exercise, making it ideal for people with joint concerns or those recovering from injury. Biking also supports weight loss, boosts endurance, and improves mental health.

Downsides of Biking

The primary downside of biking is the risk of injury, particularly from traffic or falls in outdoor settings. Poor bike fit or posture can lead to knee and lower back pain. Overuse injuries are also a risk without proper recovery and cross-training. Additionally, biking alone may not be enough to build upper body strength.

How Biking Impacts Your Diet

Cycling burns a significant amount of calories, which may increase your appetite. It's important to fuel properly before and after rides to maintain energy levels and support muscle recovery. The key is balance: overcompensating for calories burned with excessive eating can stall weight loss goals.

Glycaemic Index (GI) and Biking

Biking itself doesn't have a GI rating, but the foods you eat to fuel your ride do. For sustained energy, it's best to consume low to medium GI foods such as oats, bananas, and whole grains before your ride. After intense sessions, moderate to high GI foods can help replenish glycogen stores.

How Is Biking Fuelled?

Biking doesn't involve ingredients, but it relies heavily on what you eat before and after. Pre-ride meals typically include carbohydrates for energy and a small amount of protein. Post-ride meals should focus on recovery, including protein for muscle repair and carbs to restore energy reserves.

Healthy Alternatives to Unhealthy Fuel Sources

Instead of sugary energy drinks or processed snack bars, opt for natural alternatives like dates, bananas, or homemade oat bars. Coconut water can serve as a natural electrolyte drink. Maintaining hydration with water is often sufficient for rides under an hour.

Cycling is an effective way to burn calories, with the exact amount depending on factors such as your weight, cycling speed, terrain, and duration of the ride.

Estimated Calories Burned by Cycling Speed and Weight

Speed (mph)

130 lbs (59 kg)

155 lbs (70 kg)

190 lbs (86 kg)

<10 (leisure)

236 kcal/hr

281 kcal/hr

345 kcal/hr

10–11.9 (light effort)

354 kcal/hr

422 kcal/hr

518 kcal/hr

12–13.9 (moderate effort)

472 kcal/hr

563 kcal/hr

690 kcal/hr

14–15.9 (vigorous effort)

590 kcal/hr

704 kcal/hr

863 kcal/hr

16–19 (very fast)

708 kcal/hr

844 kcal/hr

1,035 kcal/hr

20 (racing)

944 kcal/hr

1,126 kcal/hr

1,380 kcal/hr

Additional Factors Influencing Calorie Burn

  • Terrain: Cycling uphill or on uneven terrain increases calorie expenditure compared to flat surfaces.
  • Wind Resistance: Facing headwinds requires more effort, leading to higher calorie burn.
  • Cycling Position: An upright position increases wind resistance, while a more aerodynamic posture reduces it.
  • Bike Type: Mountain biking generally burns more calories than road biking due to the increased effort required for rough terrains.

Indoor vs. Outdoor Cycling

While both indoor and outdoor cycling are effective, outdoor cycling may burn slightly more calories due to factors like wind resistance and terrain variations. However, indoor cycling offers a controlled environment, which can be beneficial for consistent workouts.

Estimating Your Calorie Burn

To get a more personalized estimate of calories burned during cycling, consider using online calculators that factor in your weight, cycling speed, duration, and intensity. For example, the allows you to input specific details to estimate your calorie expenditure.

Remember, these estimates can vary based on individual metabolism and cycling conditions. For more accurate measurements, using a heart rate monitor or fitness tracker during your rides can provide better insights into your personal calorie burn.

Summary

Biking is a powerful calorie-burning exercise that can support weight management, cardiovascular health, and mental well-being. The number of calories burned varies based on your weight, intensity, and duration of cycling. It engages key energy systems in the body and has a wide range of health benefits when done safely. With the right nutrition and strategy, biking can play a pivotal role in a healthy, balanced lifestyle.

Summary

Biking is a powerful calorie-burning exercise that can support weight management, cardiovascular health, and mental well-being. The number of calories burned varies based on your weight, intensity, and duration of cycling. It engages key energy systems in the body and has a wide range of health benefits when done safely. With the right nutrition and strategy, biking can play a pivotal role in a healthy, balanced lifestyle.