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Early Warning Score (NEWS2) Calculator

Work out early warning score (news2) instantly with clear inputs, formula shown and shareable results.

About Early Warning Score (NEWS2) Calculator

Scores respiratory rate, systolic pressure and pulse on the NEWS2 tables and adds the points you enter for saturations, oxygen use, temperature and consciousness.

Formula

NEWS2 aggregate scoring

Each parameter scores 0-3; total 0 routine, 1-4 low, any single 3 low-medium, 5-6 medium, 7 or more high risk

Worked example

With the default values below, Early Warning Score (NEWS2) Calculator returns NEWS2 total of 6. Change any input above and every figure here is recalculated in your browser.

Inputs used

Respiratory rateaccepts 4–60 breaths/min
22 breaths/min
Systolic pressureaccepts 40–250 mmHg
108 mmHg
Pulseaccepts 20–220 bpm
105 bpm
Points from oxygen saturation, oxygen use, temperature and consciousnessaccepts 0–12
2

Results

NEWS2 total
6
Clinical risk and response
Medium — urgent review
Points from rate and pressure
4
Highest single parameter score
2

Step by step

  1. 1Values used
  2. 2NEWS2 aggregate scoring
  3. 3NEWS2 total= 6
  4. 4Clinical risk and response= Medium — urgent review
  5. 5Points from rate and pressure= 4
  6. 6Highest single parameter score= 2

Assumptions and limits

  • The result is derived only from the 4 inputs listed above. Anything not among them is not part of the calculation.
  • In particular, this calculator does not take inflation, tax, fees or charges or compounding frequency into account.
  • Figures are rounded for display to whole numbers, so totals built from several rounded parts can differ slightly from the unrounded arithmetic.
  • Educational estimate only. Not a substitute for professional clinical judgement, and must not be used to make treatment or dosing decisions.
  • This is an estimate for general information and not professional medical advice. See the full disclaimer for the limits that apply to this kind of calculator.

How these calculators are built and tested is described on the Methodology page. If a figure looks wrong, please report it.

Educational estimate only. Not a substitute for professional clinical judgement, and must not be used to make treatment or dosing decisions.

Frequently Asked Questions

Why does a single 3 matter?

One extremely abnormal parameter warrants urgent review even when the aggregate total is low.

Which saturation scale applies?

Scale 2 is used for patients with a target range of 88-92%, such as chronic type 2 respiratory failure.

Early Warning Score (NEWS2) Calculator | Calcrivo