Healthcare operations calculators
Operational metrics for healthcare teams, defined the way they are usually reported. Anything that touches patient care must be checked against local protocols by a qualified professional.
Access & scheduling
Clinical lab formulas
- Corrected Calcium CalculatorAdjust total serum calcium for a low or high albumin with the Payne formula, in mg/dL or mmol/L, for use by healthcare professionals.
- Anion Gap CalculatorCalculate the serum anion gap from sodium, chloride and bicarbonate, with the potassium-inclusive gap and the albumin-corrected gap, for healthcare professionals.
- Creatinine Clearance Calculator (Cockcroft–Gault)Estimate creatinine clearance in mL/min with the Cockcroft–Gault equation from age, sex, weight and serum creatinine in mg/dL or µmol/L, for professional use.
Clinic operations
- Clinic Appointment Capacity CalculatorWork out how many appointment slots a clinic can offer per clinician, per day and per week, after breaks and admin time, and the visits expected after no-shows.
- Patient Wait Time Estimate CalculatorEstimate how long a walk-in patient will wait from the number of people ahead, the clinicians on duty and the average consultation time, and when they will be seen.
- Clinic No-Show Rate CalculatorCalculate a clinic’s no-show rate, late-cancellation rate and attendance rate from appointments booked, no-shows and late cancellations in a period.
- Doctor Utilisation CalculatorMeasure physician or clinician utilisation as the share of available clinical hours spent with patients, from hours used or from visits and average visit length.
Hospital capacity
- Bed Occupancy Rate CalculatorCalculate hospital or ward bed occupancy from inpatient days, beds and days in the period, with the average daily census and the empty bed-days.
- Average Length of Stay CalculatorCalculate average length of stay from inpatient days and discharges, plus bed turnover rate and turnover interval for a ward or hospital over a period.
Hospital finance
Infusion
- Infusion Drip Rate CalculatorCalculate the gravity IV drip rate in drops per minute (gtt/min) from the volume, infusion time and the giving set’s drop factor, with the equivalent mL/h.
- IV Flow Rate CalculatorCalculate an IV infusion pump rate in mL per hour from the volume and infusion time, with mL per minute and the clock time the infusion will finish.
Patient experience
Pharmacy & supplies
- Medical Inventory Reorder CalculatorFind the reorder point, par level and order quantity for medical supplies or medicines from daily usage, supplier lead time, order cycle and safety stock.
- Pharmacy Stock Expiry CalculatorEstimate how much of a medicine’s stock will expire before it is used, its value, and the daily usage needed to clear it before the expiry date.
- Medication Days Supply CalculatorWork out a prescription’s days supply from the quantity dispensed and the prescribed directions (units per dose and doses per day), with any units left over.
- Prescription Refill Date CalculatorFind the last day a prescription covers, the day it runs out and the earliest refill date when your plan allows a refill after a set share of the supply is used.
Practice finance
- Consultation Revenue CalculatorEstimate a practice’s monthly and annual consultation revenue from consultations per day, average fee, working days and the share of fees actually collected.
- Clinic Break-even CalculatorWork out how many patient visits a clinic or practice needs each month and each day to cover its fixed costs, allowing for no-shows when booking.