DIFFMASK on-line calculator


Welcome to the DIFFMASK on-line calculator. Choose your answer in the dropdown menu for each question. When finished press 'Calculate' for the total sum.

Age in years


Body Mass Index (BMI)

Previous difficult tracheal intubation

Thyromental distance (TMD)

Modified mallampati score (MMP)

Full beard


Sleep apnoea

Neck radiation changes

To see your points, please answer all questions and press 'Calculate'.