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Calcimator

Autoclave Cycle Calculator

Calculate sterilization time, temperature, and pressure for autoclave equipment cycles.

Inputs

Results

Total Cycle Time

75 min

Sterilization Time30 min
Temperature250 °F
Temperature121 °C
Pressure15 PSI
Heat-Up Time10 min
Drying Time20 min
Cool-Down Time15 min
How to Use This Calculator
  1. Select the sterilization cycle type: Gravity Displacement (121 degrees C) or Pre-Vacuum (132 degrees C).
  2. Choose the load type being sterilized: unwrapped instruments, wrapped instruments, porous/textiles, or a mixed load.
  3. Indicate whether the items are wrapped or pouched, which adds drying time to the cycle.
  4. Select the autoclave type, tabletop/small or full-size, which affects heat-up and cool-down time.
  5. Review the Total Cycle Time along with the sterilization temperature, pressure, and heat-up, drying, and cool-down breakdown.

What each input means

Sterilization Type
Type of autoclave sterilization cycle
Load Type
Type of items being sterilized
Wrapped/Pouched Items
Whether items are in sterilization pouches
Autoclave Type
Size of the autoclave unit

How this is calculated

Worked example, using the default values

  1. Identify Input Parameters
    4 parameters
    Sterilization Type = 1, Load Type = 2, Wrapped/Pouched Items = 1, Autoclave Type = 1 = 4 input(s) provided
  2. Calculate Total Cycle Time
    Total Cycle Time
    75 = 75
  3. Calculate Sterilization Time
    Sterilization Time
    30 = 30
  4. Calculate Temperature
    Temperature
    250 = 250

Engine last updated . Checked against 2 independently-derived tests — how we verify calculators.

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