Every tool runs entirely in your browser — nothing to download, no email required. Each one is research-informed and links back to our deeper guides so you can go from “what temperature?” to a full protocol.
Free Cold Plunge & Sauna Tools
Free interactive calculators for cold plunge and sauna — temperature, duration, ice, cost, and recovery. No account, no data collected.
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Cold Plunge Calorie Burn Calculator
Get a realistic calorie estimate based on water temperature, time, and body weight — and why thermogenesis is smaller than you think.
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Cold Plunge Ice Calculator
Enter tub volume and starting temperature to get the exact ice weight, number of bags, and estimated cost.
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Cold Plunge Temperature & Duration Calculator
Get your recommended water temperature, session length, and a 4-week progression based on your goal and experience.
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Red Light Therapy Dose Calculator
Enter your device's power and distance to get a safe, effective session time in joules per cm².
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Sauna Temperature & Duration Calculator
Pick your sauna type and goal to get a recommended temperature, session time, and hydration plan.
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Wim Hof Breathing Timer
Follow along with a visual in-browser timer for the Wim Hof Method, with configurable rounds and breath pace.
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