Apgar Score Calculator (Newborn Assessment)

Background.

The Apgar score describes a newborn infant's condition at a specific moment after delivery, using five signs each graded 0, 1 or 2 for a total from 0 to 10. It is a clinical aid for clinicians and a shorthand for communication between them. The joint statement of the American Academy of Pediatrics and the American College of Obstetricians and Gynecologists is explicit about what it is not: the Apgar score alone cannot be considered evidence of, or a consequence of, asphyxia, does not predict individual neonatal mortality or neurologic outcome, and should not be used for that purpose. That sentence is the most important thing on this page and it is why the caveat sits beside the number rather than in a footnote.

The five signs are colour, heart rate, reflex irritability, muscle tone and respiratory effort — remembered by the backronym Appearance, Pulse, Grimace, Activity, Respiration, coined by Butterfield and Covey in 1962, nearly a decade after Virginia Apgar published the scale in 1953. Each sign is graded independently: 0 for the worst response, 1 for an intermediate one, 2 for the best. Because every sign can score 0, the floor of the total is genuinely 0, which is different from the Glasgow Coma Scale where the floor is 3. Carrying that intuition across is a common error.

This calculator prints the component summary alongside the total, because the total discards the information that matters. An infant scoring A2 P2 G2 A0 R0 — pink, well perfused, responsive, but floppy and not breathing — and an infant scoring A0 P2 G1 A1 R2 — dusky but crying vigorously — both total 6. Those are two very different babies with two very different immediate priorities, and "Apgar 6" says nothing about which one is in front of you.

Timing is part of the score's meaning. Assessment is made at one minute and again at five minutes in all infants, and when the score is below 7 the recommendation is to continue recording at five-minute intervals. The categories that this page reports — 7 to 10 reassuring, 4 to 6 moderately abnormal, 0 to 3 low — are defined by the AAP/ACOG statement for the five-minute score in term and late-preterm infants. They are not defined for the one-minute score, where a lower value in an infant who is transitioning normally is often unremarkable, and they are not defined for very preterm infants, in whom immaturity alone depresses tone and respiratory effort. The category output on this page carries that scope on its own label.

There is a small gap in the published heart-rate criterion worth knowing about. The grade is written as below 100 beats per minute for 1 point and over 100 for 2, which leaves a rate of exactly 100 unassigned; most bedside practice treats 100 or more as 2. This calculator does not resolve that for you, because it takes the graded response you assign at the cotside rather than a heart rate in beats per minute. The convention you apply at exactly 100 is yours, and it should be the one your unit uses.

The score is also not the resuscitation. Neonatal resuscitation is driven by respiratory effort, heart rate and tone assessed continuously, not by waiting for a minute to elapse and computing a sum. An infant who is apnoeic at fifteen seconds needs help at fifteen seconds. Apgar herself proposed the score as an evaluation, and the modern statement positions it as a description of the response to resuscitation as much as an indication for it — which means an Apgar score recorded during ongoing resuscitation should be documented as such, because the number reflects what is already being done.

Finally, the score cannot observe anything. Colour, tone and reflex response are judgements made by a person at the bedside, and inter-observer agreement on them is imperfect. A number entered from someone else's impression is an impression, not a measurement, and a page that turns five judgements into a confident integer should say so plainly rather than let the integer carry more weight than the observations behind it.

What is apgar score calculator?

The Apgar score is a five-item assessment of a newborn infant's condition, published by the anaesthesiologist Virginia Apgar in 1953 as a way of making the evaluation of the newborn systematic and comparable between observers. Each of five signs — colour, heart rate, reflex irritability, muscle tone and respiratory effort — is graded 0, 1 or 2, giving a total between 0 and 10.

It is assessed at one minute and again at five minutes after delivery in all infants, and continued at five-minute intervals when the score is below 7. Its enduring value is as a compact, standardised description of the infant's condition and of the response to any resuscitation being given.

The modern AAP/ACOG statement defines the five-minute score in term and late-preterm infants as reassuring at 7 to 10, moderately abnormal at 4 to 6, and low at 0 to 3, while stating equally clearly that the score alone is not evidence of asphyxia and does not predict outcome for an individual infant.

What it is not: a trigger for resuscitation, which is driven by continuous assessment rather than a one-minute sum; a diagnosis; a prognosis for a particular baby; a measure that means the same thing in a 26-week infant as in a term one; or a substitute for describing what the clinician actually observed.

How to use this calculator.

1. 01Grade each sign independently from what you observe. The calculator takes your grade, not a measurement — it cannot see colour, tone or reflex response.
2. 02Colour (Appearance): 2 entirely pink, 1 pink with blue extremities, 0 pale or blue.
3. 03Heart rate (Pulse): 2 above 100 beats per minute, 1 below 100, 0 no heartbeat. At exactly 100 apply your unit's convention — the published wording leaves it unassigned and most practice treats 100 or more as 2.
4. 04Reflex irritability (Grimace): 2 cries, coughs or sneezes on stimulation, 1 grimaces in response, 0 no reaction.
5. 05Muscle tone (Activity): 2 active motion with flexed tone resisting extension, 1 some tone and flexion, 0 loose and floppy.
6. 06Respiratory effort (Respiration): 2 crying vigorously, 1 slow and irregular, weak or gasping, 0 not breathing.
7. 07Record the assessment time with the score. The AAP/ACOG categories are defined for the five-minute score; a one-minute score is a different observation.
8. 08Hand over the component summary, not only the total, and note whether resuscitation was in progress when the score was taken.

The formula.

The Apgar score is the sum of five signs, each graded 0, 1 or 2. Colour, heart rate, reflex irritability, muscle tone and respiratory effort contribute independently, so the total runs from 0 to 10. There is no weighting: a point of respiratory effort and a point of colour count the same, which is a known limitation of the instrument rather than a feature.

Rounding stage: there is none, and no fractional grade exists on the scale. Each sign takes a whole-number grade and the total is their exact integer sum. This calculator rejects a fractional grade rather than rounding it, because rounding 3.5 either way would move an infant between the low and moderately abnormal categories — a change of clinical label produced by an implementation detail rather than by an observation.

The floor is 0, not 3. Every sign's lowest grade is 0, so all five can be zero simultaneously. This differs from the Glasgow Coma Scale, whose axes all start at 1 and whose floor is therefore 3, and the two are often confused by people who work with both.

The grading criteria used here are the classical ones: colour 0 pale or blue, 1 pink with blue extremities, 2 entirely pink; heart rate 0 no heartbeat, 1 below 100 bpm, 2 above 100 bpm; reflex irritability 0 no reaction to stimulation, 1 grimacing in response, 2 cries, coughs or sneezes; muscle tone 0 loose and floppy, 1 some tone and flexion, 2 active motion with flexed tone resisting extension; respiratory effort 0 not breathing, 1 slow and irregular, weak or gasping, 2 crying vigorously.

Categories are applied to the exact integer total: 7 or more is reassuring, 4 to 6 is moderately abnormal, and 3 or below is low. Those cuts come from the AAP/ACOG statement and are defined there for the five-minute score in term and late-preterm infants. The calculator applies them to whatever total you enter, so the scope caveat travels with the category output rather than being assumed.

Worked through the example on this page: colour pink with blue extremities scores 1, a heart rate of 130 scores 2, a grimace to suction scores 1, some flexion without active resistance scores 1, and slow irregular breathing with a weak cry scores 1. The total is 1 + 2 + 1 + 1 + 1 = 6, the component summary is A1 P2 G1 A1 R1, and 6 falls in the moderately abnormal category — with the caveat that this was a one-minute score, and the categories are defined for the five-minute one.

A worked example.

Frequently asked questions.

References& sources.

1. [1]Apgar V. A proposal for a new method of evaluation of the newborn infant. Current Researches in Anesthesia and Analgesia. 1953;32(4):260–267. The original description of the five-sign scale. (Bibliographic — the 1953 journal is not openly available online; item content verified against the two references below. Consulted 2026-07-29.)
2. [2]American Academy of Pediatrics Committee on Fetus and Newborn; American College of Obstetricians and Gynecologists Committee on Obstetric Practice. The Apgar Score. Pediatrics. 2015;136(4):819–822 (ACOG Committee Opinion No. 644). Source of the categories used here — a five-minute score of 7–10 reassuring, 4–6 moderately abnormal, 0–3 low in term and late-preterm infants — and of the limitation statement that the score alone is not evidence of asphyxia and does not predict individual mortality or neurologic outcome. (publications.aap.org returns 403 to automated retrieval; passages consulted 2026-07-29.)
3. [3]Committee Opinion No. 644: The Apgar Score. Obstetrics & Gynecology. 2015;126(4):e52–e55. The ACOG-published counterpart of the same joint statement. (Consulted 2026-07-29.)
4. [4]APGAR Score. StatPearls, NCBI Bookshelf NBK470569. Source of the verbatim 0/1/2 criteria for all five signs implemented on this page, of the assessment timing (1 and 5 minutes in all infants; five-minute intervals while the score is below 7), and of the category ranges. (Full text retrieved 2026-07-29.)
5. [5]Butterfield J, Covey MJ. Practical epigram of the Apgar score. JAMA. 1962;181(4):353 (28 July 1962). Origin of the APGAR backronym (Appearance, Pulse, Grimace, Activity, Respiration) used for the component-summary output. Print reference — no stable open URL; consulted 2026-07-29 via the JAMA Network archive.