Online calculators

Foundation Internet Services
MedCalc 3000
basic unit conversions, math calculator, medical equations, clinical criteria, decision trees

Harvard Center For Cancer Prevention
Your Cancer Risk
estimates your risk of cancer and provides personalized tips for prevention (bladder, breast, cervix, colon, kidney, lung, melanoma, ovaries, pancreas, prostate, stomach, uterine)

National Cancer Institute (NCI)
Breast Cancer Risk Assessment Tool
interactive tool to measure a woman's risk of invasive breast cancer

Radiological Society of North America (RSNA)
Radiology Applications: Absorbed Dose and Bayes Theorem

Radiotherapy.com
Radiotherapy Dose Calculator Alpha-Beta Equivalent

Southwest Oncology Group (SWOG)
SWOG Statistical Tools

Stanford University School of Medicine
Body Surface Area (BSA) Calculator
Date Calculator
Height/Weight Converters

UltiTech
DoseCalc OnLine
oncology dosage calculation software program to assist in determining individual patient doses for standard cancer regimens used in treatment of solid tumors and adult leukemia

Weill Medical College of Cornell University
Medical Calculators
Body Surface Area (BSA), dosing calculator, measurement conversion, age from date of birth, others