Does Sauna Use Burn Calories?

Have you ever wondered about the calories you burn in a sauna? This question has become one of the most important topics as people look for new ways to help them lose weight. The idea of sitting in a hot room might seem like an easy way to burn calories. But there's more to learn about how sauna sessions actually affect your calorie burning.

You'll find out the exact number of calories a sauna session burns. Several factors change how fast you burn calories. Traditional and infrared saunas each come with their own benefits and burn different amounts of calories. This piece shows you the actual numbers and explains the science of how saunas make you burn calories. It also helps you create realistic goals when you add sauna sessions to your wellness routine.

Understanding Sauna Types and Their Effects

Traditional and infrared saunas are the two main types available today. Each type works differently and provides unique benefits to help you reach your wellness goals.

Traditional Finnish saunas use wood or electricity to heat the surrounding air. These operate at temperatures between 150°F to 195°F (65-90°C). Your body warms through conduction and convection, which creates an intense sweating experience.

Infrared saunas take a different approach. Light waves directly heat your body at lower temperatures between 110°F and 145°F. Because infrared warms your body directly, you'll still sweat significantly despite the lower air temperature.

Here's how the temperature ranges compare across different sauna types:

Both types are great at home sauna options. Both raise your heart rate and make you burn some extra calories. How many depends on your body, the heat, and how long you stay in.

Heat isn't the only factor in calorie burning. Your body's heart rate increases in response to sauna heat, similar to moderate exercise. This cardiovascular response drives how many calories you burn during your session.

The number of calories burned varies by individual. People with higher body mass tend to burn more calories during sauna sessions. In a 2019 study, overweight, sedentary men in a 194°F sauna burned about 73 calories in their first 10-minute session and about 131 by their fourth.

How Does a Sauna Burn Calories?

Here's the science behind how a sauna burns calories.

Increased heart rate and metabolism

Your body kicks into high gear when you enter a sauna. Your heart rate climbs to levels similar to moderate exercise, and your body uses extra energy to cool itself.

Sweating and fluid loss

The human body activates its natural cooling system through heavy sweating that leads to fluid loss. In the 2019 study, participants lost:

• About 1.4 pounds of water over four 10-minute sessions
• Sodium, plus smaller amounts of potassium and magnesium (sodium is the main electrolyte lost in sweat)

The weight reduction you notice after a sauna session comes mainly from water loss, not fat burning.

Heat adaptation

Heat exposure affects your body in ways that go beyond sweating. Your core temperature rises about 2°C during a typical session, and your body works to bring it back down. Regular sauna users adapt over time and handle the heat more easily.

A sauna session burns some extra calories, but it shouldn't be your main weight loss tool. The sauna experience works best as a complement to your regular exercise routine.

Realistic Expectations for Calorie Burn

The truth about burning calories in saunas needs clarity. Many sources claim you can burn tons of calories, but real-life results tell a different story. Each person's body responds differently, and calorie burn varies by a lot between individuals.

How Many Calories Does a Sauna Burn in 30 Minutes?

A 30-minute sauna session burns roughly 220 to 390 calories, based on what overweight, sedentary men burned per 10 minutes in a 194°F sauna, and most people will burn less.

Here's what researchers measured in overweight, sedentary men at 194°F. Most people will burn less.

Infrared saunas run cooler, so some people stay in longer, but there's little research measuring calories burned in infrared saunas.

Factors influencing individual calorie burn

Your body burns calories differently based on several personal factors:

• Your body weight and composition affect calorie burn significantly (people with higher BMI burn more calories)
• Your body's heat tolerance and adaptation capabilities play a crucial role
• Your current fitness level and metabolic rate determine calorie consumption
• The sauna type you choose (traditional vs. infrared) impacts your calorie burn

Sauna use vs traditional exercise for calorie burning

Let's take a closer look at the numbers. A sauna burns extra calories, but for most people less than exercise. According to Harvard Health, a 155-pound person walking at 3.5 mph burns about 150 calories in 30 minutes, and running burns considerably more.

Sauna sessions work best as a complement to your regular exercise routine. The heat raises your heart rate, but it differs from active exercise. Your body burns calories in a sauna mainly through its cooling efforts, unlike traditional exercise where muscles actively work.

Moderate healthy habits consistently applied are essential to achieve your wellness goals. Saunas provide many health benefits, but they should not be your main strategy to burn calories.

Maximizing the Benefits of Sauna Sessions

Smart planning helps you get better results from your sauna sessions. The benefits go beyond passive heat exposure. A combination of exercise, proper hydration and timing will help you get the most from each session.

Combining sauna use with exercise

Sauna sessions work well after your workout. See our guide to using a sauna after a workout for what the research shows. A simple routine:

• Your regular workout should come first
• A 10-15 minute cooldown period follows
• Then head into the sauna
• Light stretching during your session can feel good

Proper hydration and recovery

Proper hydration is a vital part of safety and helps everything work better. A simple hydration plan:

• A full glass of water before you start
• 350ml while you complete a 30-minute session
• One liter after you finish your session

Your body needs electrolytes, and you can get them naturally from watermelon, cucumber, and citrus fruits. These foods provide minerals that help your body recover effectively.

Read: What You Should Do After a Sauna Session

Frequency and duration recommendations

Start short and build up as your heat tolerance improves:

Your body's signals should guide these recommendations based on your comfort level. New sauna users should begin with shorter sessions and increase duration as their heat tolerance improves. If you have a heart condition, high or low blood pressure, or are pregnant, check with your doctor before using a sauna.

Conclusion

Sauna sessions burn some extra calories by raising your heart rate and making your body work to cool itself. In one study, overweight men burned about 73 to 131 calories per 10-minute session. Most people burn less, and most of the weight you lose is water. The results you'll see depend on your body type, how well you handle heat, and your fitness level.

You'll get the most from your sauna experience by pairing it with exercise and staying hydrated. The best approach is to schedule 3-5 sessions each week, adjusting the time based on your experience. Your body adapts to heat exposure in beneficial ways. Saunas are a great addition to any detailed fitness plan if you set realistic goals and follow safety rules.

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FAQs

How many calories are burned during a 30-minute sauna session?

It varies. In the 2019 study, overweight, sedentary men burned about 333 calories over 40 minutes of sauna time at 194°F. Most people will burn less.

Can using a sauna contribute to weight loss?

Saunas can lead to short-term weight loss primarily through the loss of water weight. Additionally, the heat from the sauna can increase heart rate, which may help in burning more calories. However, for long-term weight loss, other methods are generally more effective. It is advisable to consult a healthcare provider for personalized weight loss advice.

What is the calorie expenditure for 10 minutes in a sauna?

About 73 to 131 calories in the 2019 study. It's important to note that while there is a loss of weight during this time, it largely represents water loss rather than a significant reduction in fat mass.

What are the effects of spending 15 minutes in a sauna?

Spending 15 minutes in a sauna can help relax muscles, enhance blood circulation, and improve skin health. It is recommended to stay in a sauna for about 15-20 minutes per session. Those new to sauna use should start with shorter durations of about 5-10 minutes. Additionally, individuals with certain health conditions should consult a doctor before using a sauna.

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References

https://www.ncbi.nlm.nih.gov/pmc/articles/PMC6360547/
https://www.uef.fi/en/article/scientists-uncover-why-sauna-bathing-is-good-for-your-health
https://pmc.ncbi.nlm.nih.gov/articles/PMC8561167
https://www.health.harvard.edu/exercise-and-fitness/calories-burned-in-30-minutes-for-people-of-three-different-weights
https://pubmed.ncbi.nlm.nih.gov/17277604/
https://doi.org/10.1016/S0002-9343(00)00671-9
https://www.verywellhealth.com/does-a-sauna-burn-calories-11682304
https://www.uclahealth.org/news/article/benefits-sauna-bathing-heart-health
https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4295591

Important: The information provided in our articles about saunas and related topics is intended for general informational and educational purposes only. It is not a substitute for professional medical advice, diagnosis, or treatment. Always consult your healthcare practitioner before using saunas, especially if you have pre-existing health conditions or are pregnant. Individual health needs vary, and what benefits one person may not be suitable for another.