Calculadora de Calorias em Sauna
- Created by
- Renato Passos, Eng. de Software
- Reviewed by
- Renato Passos, Eng. de Software
Last updated: Apr 18, 2026
Formula
cal ≈ 1,5 × peso_kg × (min/60)
About this calculator
The Sauna Calorie Calculator estimates the extra calorie expenditure during a sauna session. Unlike physical exercise, the heat of the sauna increases heart rate and basal metabolism, resulting in additional energy consumption. The estimate is based on body weight and time spent, using the formula: calories ≈ 1.5 × weight (kg) × time (hours). This tool is useful for those who want to better understand the effects of sauna on energy balance.
How it works: enter your weight in kilograms and total time in minutes in the sauna. The calculation converts minutes to hours (dividing by 60) and applies the formula. For example, a 70 kg person in a 30-minute sauna would spend approximately 1.5 × 70 × 0.5 = 52.5 calories. Remember that this is an estimated value, as individual factors such as metabolism, temperature, and humidity can influence actual expenditure.
When to use: this calculator is ideal for those who use sauna as part of a wellness or muscle recovery routine and want an idea of the caloric impact. It can be used after workouts or on relaxation days. However, it does not replace calorie counting from conventional physical activities like walking or running.
Precautions: sauna causes loss of water and electrolytes through sweat, which can lead to dehydration. The extra calorie expenditure does not come from significant fat burning, but from cardiovascular effort. People with heart problems, low blood pressure, or pregnant women should consult a doctor before using a sauna. Never use sauna as the primary method for weight loss.
Frequently asked questions
How many calories do you lose in 15 minutes of sauna?
For a 70 kg person, approximately 1.5 × 70 × 0.25 = 26.25 calories. The value varies by weight.
Does the sauna burn localized fat?
No. Calorie expenditure is general, not specific. Immediate weight loss is mostly water, not fat.
Can I use the sauna for quick weight loss?
It is not recommended. Weight loss is temporary and can cause dehydration. Ideally combine with diet and exercise.
Does the calculator work for any type of sauna?
Yes, the formula is a general estimate for dry or steam saunas. Differences in temperature and humidity can change actual expenditure.
Should I drink water before and after the sauna?
Yes, hydrate well before and after to replenish lost fluids. Avoid alcoholic beverages.