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Calcimator

Hot Stone Temperature Calculator

Calculate ideal stone temperature and heating time for hot stone massage by placement type and client sensitivity.

Inputs

°F

Results

Ideal Temperature

130 °F

Ideal Temperature54 °C
Maximum Safe Temp145 °F
Heating Time17 min
Heat Retention15 min
Safety NoteAlways test stone on your inner wrist for 3 seconds before placing on client
How to Use This Calculator
  1. Enter the water bath temperature in °F or °C for heating the stones.
  2. Set the stone size (small, medium, large) to determine heat retention time.
  3. Input the ambient room temperature to adjust the working time estimate.
  4. Review the safe working temperature range (110-130°F at client skin contact) and cooling time.
  5. Test stone temperature on your inner forearm before placing on the client.
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