Time of Death Calculator
Estimate post-mortem interval (PMI) using body temperature, ambient temperature, body weight, and clothing. Based on Newton's Law of Cooling.
Inputs
°F
°F
lbs
Results
Estimated PMI
11.7 hrs
Confidence Range
9.9 – 13.5 hrs
Cooling Rate1.16 °F/hr
How to Use This Calculator
- Enter Body Temperature, Ambient Temperature, and Body Weight.
- Set Clothed, No / Minimal, and Yes / Fully Clothed.
- Review Estimated PMI (hrs) and Confidence Range.
- Use Cooling Rate (°F/hr) to inform your decision.
- Use the chart to visualize the results and explore different scenarios by adjusting inputs.
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