Tumor Doubling Time Calculator
Calculate tumor volume doubling time, specific growth rate, and projected size from serial imaging measurements. Includes RECIST-like diameter change assessment.
Medical Disclaimer
This calculator is for informational and educational purposes only. It is not a substitute for professional medical advice, diagnosis, or treatment. Always consult a qualified healthcare provider before making decisions about your health. Never disregard professional medical advice or delay seeking it because of results from this tool.
Inputs
Results
Volume doubling time (days)
54.3
Specific growth rate (%/day)
1.28
How to Use This Calculator
- Enter tumor doubling time inputs: initial and follow-up tumor size measurements and time interval.
- Read estimated tumor doubling time (days or weeks).
- Review tumor volume doubling time to assess growth kinetics and aggressiveness.
- Use doubling time to estimate time to clinically significant progression.
- Note: growth rates vary widely — use results for relative comparison, not absolute prognosis.
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