Radiation Oncology
Biologically Effective Dose calculator
Enter the published formula inputs below to calculate and interpret this score.
Clinical inputs
fractions
Allowed range: 1–40 fractions
Quick picks
Gy
Allowed range: 1–20 Gy
Quick picks
Gy
Allowed range: 1–20 Gy
Quick picks
Result
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Clinical inputs
- Number of fractionsAccepted range: 1 to 40
- Dose per fraction (Gy)Accepted range: 1 to 20
- α/β ratio of the tissue (Gy)Accepted range: 1 to 20
Primary source
Fowler JF. The linear-quadratic formula and progress in fractionated radiotherapy. Br J Radiol. PMID: 2670032. Biologically effective dose = n × d × (1 + d / (α/β)), with n fractions of dose d and the tissue α/β in Gy. (1989)
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