Permafrost
PERMAFROST WIKI
Thermal Calculator
INTERACTIVE SURVIVAL TOOL • 100% CLIENT-SIDE

Thermal Equilibrium & Hypothermia Simulator

Simulate your character's net temperature balance and time-to-freeze based on verified environmental stats, clothing tiers, wind chill, and active heat sources.

Environmental & Gear Parameters

Ambient Temperature: -15°C
-60°C (Deep Crater) -30°C (Night Blizzard) 0°C (Thaw)
Thermal Status STABLE
+0.0°C
Net Thermal Difference
Time Until Hypothermia: Indefinite (Warm)
Warmth Drain Speed: 0% / min
Continuous HP Loss: 0 HP / sec
Your body warmth is currently stable. Maintain your clothing durability and keep an emergency campfire stacked.
In-Game Formula: Net Change = (Clothing + Heat + Tea) - (|Ambient Temp| + Wind Chill). If negative, 100 warmth drains at approx. 1.2% per degree of deficit every minute.
HUD ACCURACY

Official In-Game Heating Mechanics: Verified Gameplay HUD

Shelter Interior Heater
Sealed shelter partition & radiant drum heater Heat Source
Building HUD with 19C Temperature Reading
Live HUD: 19°C ambient warmth indicator HUD Meter