Cancer Tools and Calculators
Free calculators for the numbers that come up in cancer care: blood counts, chemotherapy dosing, kidney function, smoking history, PSA follow-up and nutrition.
Every tool names the formula it uses and links the primary source. Nothing you enter leaves your browser.
Understanding your diagnosis
Decode the stage, the pathology report and the tumour-marker values you have been given, and know what to ask about them.
Cancer Stage and TNM Decoder
Enter the T, N and M from your report for breast, colorectal, lung, prostate cancer or melanoma and see the stage group, what each letter and number means, and what to ask next.
Open calculatorTumour Marker Interpreter
Enter a CEA, CA 19-9, CA 125, AFP, PSA or other tumour-marker value and see how it compares with the typical upper limit, what else can raise it and what it is used for.
Open calculatorPathology Report Decoder
Gleason score to Grade Group, HER2 0 to 3+, ER and PR percentages, Ki-67, tumour grade, BI-RADS, surgical margins and lymphovascular invasion, each restated in plain words with what usually happens next.
Open calculatorBlood counts
Make sense of the values on a blood count report and know when a low neutrophil count needs a phone call.
Understanding Your Blood Test Results
Enter the values and reference ranges from your own blood count report and get a plain-language explanation of what each marker measures — and what a low or high result can mean during cancer treatment.
Open calculatorAbsolute Neutrophil Count (ANC) Calculator
Work out your absolute neutrophil count from the white cell count and neutrophil percentage on your blood report, see the neutropenia grade, and know when a fever means calling for help.
Open calculatorTreatment and dosing
Understand how body surface area and kidney function turn a protocol dose into your dose.
Body Surface Area (BSA) and Dose Calculator
Calculate body surface area with the Du Bois or Mosteller formula and see how a chemotherapy dose in mg/m² becomes a dose in mg.
Open calculatorCreatinine Clearance and Carboplatin Dose Calculator
Estimate kidney function from serum creatinine with the Cockcroft-Gault equation and see how a carboplatin dose follows from the Calvert formula and a target AUC.
Open calculatorRisk and screening
Turn a smoking history into pack-years and check the criteria lung cancer screening programmes use.
Pack-Year Calculator and Screening Check
Turn cigarettes per day and years smoked into pack-years, then check the criteria lung cancer screening programmes and trials use.
Open calculatorFamily History Check for Hereditary Cancer
Tick what applies to you and your relatives and see whether you meet the criteria European and US guidelines use for a referral to genetic counselling for hereditary breast, ovarian, bowel, prostate and pancreatic cancer.
Open calculatorSelf-Check Guide: Breast, Testicles and Skin
Step-by-step monthly self-checks for breasts, testicles and skin moles (the ABCDE rule), the warning signs that need a doctor within two weeks, and a calendar reminder you can add in one tap.
Open calculatorCancer Screening Eligibility Check
Choose your country, age and sex and see which organised cancer screening programmes you are entitled to, how often, and where the official information is.
Open calculatorFollow-up
Follow a marker over time the way your specialist does, and put your treatment history and follow-up advice into one survivorship care plan.
Survivorship Care Plan Builder
Fill in the PanCare Survivorship Care Plan (short version) in your browser: treatment summary, health history, follow-up recommendations and shared decisions, then print it or save it as a PDF to complete with your clinician.
Open calculatorPSA Doubling Time Calculator
Enter two or more dated PSA results to calculate PSA doubling time and velocity, and understand what a short doubling time means in prostate cancer follow-up.
Open calculatorNutrition and body composition
Energy and protein needs during and after treatment, weight loss that matters, and body composition.
Nutrition and Weight Calculator for Cancer Treatment
Estimate energy and protein needs during and after treatment using ESPEN guidance, check whether recent weight loss needs attention, and see your BMI in context.
Open calculatorBody Fat and Lean Mass Calculator
Estimate body fat percentage from neck, waist and hip measurements with the US Navy method, see fat and lean mass, and learn why muscle matters during cancer treatment.
Open calculatorCaring for someone
For the partner, parent, child or friend doing the caring: check how heavy the load has become and what to do about it.
Looking for the words behind the numbers?