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The Sauna Session Calculator estimates optimal session duration, recommended rounds (with rest periods between), calorie burn, and hydration replacement needed for traditional Finnish saunas (160–200°F), infrared saunas (120–150°F), and steam rooms (110–120°F). Sauna use has documented benefits including reduced cardiovascular mortality (Finnish Sauna Study), heat shock protein activation, and improved cardiovascular fitness mimicking moderate exercise.

Formel

T

Sauna Type (—) — Traditional Finnish, Infrared, or Steam Room

R

Rounds (count) — Number of heat-rest cycles in one session

Trinn-for-trinn guide

1. 1Select sauna type: Traditional Finnish, Infrared, or Steam Room
2. 2Choose experience level: beginner, intermediate, or advanced
3. 3Enter body weight (lb or kg) for calorie estimation
4. 4Set number of rounds (1–5) — multiple rounds with rest periods are more effective than one long session
5. 5Per-round duration ranges from 8 min (traditional, beginner) to 45 min (infrared, advanced)
6. 6Rest between rounds: 5 min for traditional/steam, 3 min for infrared
7. 7Calorie burn uses METs (Metabolic Equivalents): 1.5 traditional, 1.3 infrared, 1.4 steam — applied to body weight
8. 8Hydration: approximately 0.5 L per 20 min for traditional/steam, 0.3 L for infrared

Løste eksempler

Vanlige feil å unngå

• ✕Skipping rest periods between rounds — increases dehydration risk and reduces cardiovascular adaptation benefits
• ✕Underestimating hydration needs — sauna use can dehydrate 1–2L of water; replace with electrolytes for sessions over 30 min
• ✕Combining alcohol with sauna — significantly increases cardiac risk and was implicated in many of the Finnish sauna fatalities
• ✕Advanced durations as a beginner — traditional Finnish protocol is 8–10 min/round max for beginners, not the 20+ min some videos suggest

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