BED / EQD2 Calculator

Prescription Dose
= 2.75 Gy / fraction
Tumor
α/β =  Gy
Late
α/β =  Gy
Prostate / Spine
α/β =  Gy
BED (Gy)
EQD2 (Gy)
Alternative Fractionation

Isoeffective total dose (Gy) if the same BED were delivered in a different number of fractions.

Fractions Tumor (α/β = 10 Gy) Late (α/β = 3 Gy) Prostate / Spine (α/β = 2 Gy)
1 fraction
3 fractions
5 fractions
fractions

BED / EQD2 calculations based on a spreadsheet by Dr. Mike Wahl.