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Nurse Staffing Ratio Calculator
Live math canvas
Your numbers, formula and explanation together
Nurse Staffing Ratio Calculator: 5 nurses. 20 patients at 1:4 ratio; 15 nurses across 3 shifts.
Formula applied
The exact method behind this answer
CalculationTime keeps the method visible so the number can be checked instead of blindly trusted.
Nurses per shift = ceiling(patients / patients per nurse). Nurses per day = nurses per shift x shifts per day.
Apply the formulaNurses per shift = ceiling(patients / patients per nurse). Nurses per day = nurses per shift x shifts per day.5 nurses20 patients at 1:4 ratio; 15 nurses across 3 shifts.
Your live breakdown
Current inputs in the calculation
These values come from the controls above and update when the calculator changes.
Patients or beds
20
Patients per nurse
4
Shifts per day
3
Resulting answer
5 nurses
20 patients at 1:4 ratio; 15 nurses across 3 shifts.
Answer
5 nurses
Live support
20 patients at 1:4 ratio; 15 nurses across 3 shifts.
Assumptions used
What this answer assumes
The visible assumptions define the boundary of this calculation.
Planning arithmetic only. Actual staffing depends on acuity, law, enterprise agreements, skill mix, breaks, float staff and facility policy.
Master’s Tip
How to use the result well
Professional note: print the input values, formula, result and date together so the calculation can be reviewed later.
Printable record
What belongs in the saved calculation
Save the inputs, result, formula, assumptions, page URL and date together so the calculation can be reviewed later.
Patients or beds
20
Patients per nurse
4
Shifts per day
3
Embeddable calculator
Embed this calculator
Copy a clean iframe version with the required CalculationTime attribution link built in.
Formula
Nurses per shift = ceiling(patients / patients per nurse). Nurses per day = nurses per shift x shifts per day.
Worked example
For 20 patients at a 1:4 ratio, the calculator returns 5 nurses per shift and 15 nurses across three shifts.
Professional note
Professional note: print the input values, formula, result and date together so the calculation can be reviewed later.
Regional and unit assumptions
Basis: transparent planning arithmetic using the visible inputs and assumptions on this page.
Assumptions and limitations
Planning arithmetic only. Actual staffing depends on acuity, law, enterprise agreements, skill mix, breaks, float staff and facility policy.
Methodology & Accuracy
How this calculator is checked
CalculationTime pages are built around visible arithmetic: the formula, assumptions, worked example and practical limitations are shown so the result can be checked rather than simply trusted.
Formula used
Nurses per shift = ceiling(patients / patients per nurse). Nurses per day = nurses per shift x shifts per day.
Standard or basis
Basis: transparent planning arithmetic using the visible inputs and assumptions on this page.
Where a calculator follows a named legal, trade or industry standard, that standard is cited visibly. Otherwise the page uses transparent general arithmetic and states its limits.
Master's Tip
Professional note: print the input values, formula, result and date together so the calculation can be reviewed later.
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