How to Count a Pet’s Resting Breaths Safely

What is a pet’s resting respiratory rate?

A pet’s resting respiratory rate is the number of complete breaths taken in one minute, expressed as breaths per minute. You can count for a shorter period and convert the result to a one-minute rate.

One complete breath includes:

• An inhalation, when the chest or body moves outward.
• An exhalation, when the chest or body moves inward.

Together, those movements make one rise-and-fall cycle. Counting only the rise or only the fall will overstate the rate.

Veterinary guidance supports measuring a dog or cat while asleep or resting quietly at home. Sleeping is often easier because activity, excitement, heat, and stress can temporarily increase breathing. A quietly resting pet can also provide a useful observation if the pet is relaxed and breathing comfortably. Record whether the pet was asleep or awake and resting, because those states are related but not identical. VCA’s home breathing-rate guidance supports these observation conditions.

The purpose of a home count is to give you and your veterinary team a repeatable observation. It can help show whether the pet’s breathing is usually steady, whether the rate is changing, and whether a clinic visit may have affected the reading. It cannot identify the cause of an altered rate by itself. A change may relate to heat, stress, pain, airway disease, lung disease, heart disease, infection, or another problem that requires professional assessment.

Why count during sleep or quiet rest?

A sleeping or calmly resting pet is less affected by movement and excitement. That makes the chest movement easier to follow and gives you a better chance of measuring the pet’s usual resting pattern.

Research also shows why home context matters. In a six-clinic study of healthy adult cats, consultation-room respiratory rates were higher and more variable than home resting or sleeping rates. Among the study groups, the clinic median was 64 breaths per minute, compared with a median of 27 during home resting video observations and 20 during home sleeping video observations. Those findings describe the cats in that study; they do not create a universal threshold for every cat. The Veterinary Journal study recorded clinic and home cat respiratory rates.

A veterinary clinic can change a pet’s behavior through travel, handling, unfamiliar sounds, and anxiety. A home observation may show a different pattern. That is one reason a written log and, when appropriate, a short video can help a veterinarian understand what happens outside the clinic.

How do you count a dog or cat’s resting respiratory rate?

The basic method is simple: observe the chest or body, count complete rise-and-fall cycles for a timed interval, and convert the count to breaths per minute.

Prepare before you start

Have these items ready:

• A phone timer, watch, or clock with a seconds display.
• A note on your phone or a piece of paper.
• A quiet place where you can observe without touching or waking the pet.
• Your pet’s previous readings, if you have already started a log.

Let the pet remain in its natural position. Do not move the body, lift the lip, press on the chest, or wake the pet to improve your view. If the chest is hard to see, look for a gentle movement of the abdomen or flank. You are looking for a consistent breathing cycle, not a perfectly dramatic motion.

If the pet is visibly struggling to breathe, stop trying to obtain a precise count and seek emergency veterinary care. The counting method is for a comfortable observation. It should never delay care for a pet that appears unstable.

Count one complete breath

Watch one area of the chest, flank, or abdomen. Choose the spot where the movement is easiest to see.

Count one breath each time the body completes this sequence:

rise as the pet inhales → fall as the pet exhales

You can silently count “one” after each complete cycle. Keep counting the same way throughout the timed interval.

A useful mental image is a slow wave: up and down equals one wave. Two separate movements within one cycle do not equal two breaths.

If the pet pauses briefly between breaths, continue counting the next complete rise-and-fall. Irregular pauses can make a short count less representative, so use a full 60-second count when the rhythm is uneven or you are still learning.

Choose the timing interval

Use one of these conversions:

Veterinary guidance supports 15-second, 30-second, and 60-second approaches. A full-minute count reduces the impact of one missed or extra breath, so it is the better choice when breathing is irregular, the pet is moving, or you are uncertain about the count. University of Missouri home-monitoring guidance describes complete inhalation-exhalation counts and timing conversions.

A short interval can be practical when the pet may wake quickly. If you count 8 breaths in 30 seconds, the rate is 16 breaths per minute. If you count 8 breaths in 15 seconds, the rate is 32 breaths per minute. The same raw number can produce a different result because the timing interval is different.

Write down both the raw count and the calculated rate. “8 breaths in 30 seconds; 16 per minute” is more useful to a veterinarian than “breathing was 16.”

What if the pet wakes up?

Let the pet settle naturally. Do not repeatedly wake the pet to force a measurement. If the pet wakes before you finish, label that attempt unreliable and wait for another opportunity.

A short phone video may help preserve the observation if the pet is difficult to count in real time. Keep the phone steady, include the chest and abdomen when possible, and record enough time to show several complete cycles. A video can help a veterinarian review the pet’s breathing pattern and context, but it does not replace an examination when breathing is difficult.

Which conditions can change a resting breathing count?

Heat, activity, excitement, stress, and panting can increase breathing. A count made during one of those conditions should not be treated as the pet’s resting baseline.

Panting

Panting is different from the quiet, steady breathing you are trying to measure. A dog may pant after exercise, during warm weather, when excited, or when stressed. Panting can also occur with pain or illness. If panting is excessive, harsh, persistent, or paired with weakness, abnormal gum color, coughing, restlessness, or difficulty settling, contact a veterinarian promptly. For immediate warning signs, see the emergency section below.

You can read more about possible causes and warning signs in why dogs pant at night and what to watch for.

Heat and recent activity

A pet that has been running, playing, walking, or resting in a warm environment may breathe faster than usual. Move the pet to a comfortable, thermally neutral space and allow it to settle. Do not use a rate taken during active panting as a resting measurement.

If the pet cannot settle, seems weak, has abnormal gum color, vomits, collapses, or continues to show breathing difficulty, treat the situation as urgent. See early signs of heat exhaustion in dogs or heatstroke warning signs in cats for related guidance.

Purring

Do not count a cat while it is purring. Purring can make the breathing movement harder to identify and may make the count less reliable. Veterinary guidance gives this practical instruction but does not provide a correction factor for purring-related error. Do not try to subtract or add a fixed number.

If the cat repeatedly purrs when you approach, observe from a distance or wait for a deeper sleep. A short video taken while the cat is not purring may help your veterinarian, provided the cat is breathing comfortably.

Sleeping versus awake resting

Sleeping rates are often lower than awake resting rates, so label the observation accurately. A rate of 22 breaths per minute while asleep and a rate of 28 while awake but relaxed are not necessarily contradictory. They may reflect different states.

Repeated measurements become more useful when they are collected under similar conditions. If you are building a baseline, measure at roughly similar times and record the state each time. A veterinarian may recommend a specific schedule for a pet with heart disease or another condition. Do not assume that every healthy pet needs a fixed daily or weekly monitoring schedule.

What is a normal resting respiratory rate for a dog or cat?

There is no single respiratory-rate number that proves every dog or cat is healthy or safe. Reference ranges differ by source, measurement context, health status, and whether the pet is asleep or awake and resting.

Some veterinary references list approximate calm or sleeping values of 15 to 30 breaths per minute for dogs and cats. A University of California, Davis vital-sign chart lists 10 to 30 breaths per minute for dogs and 20 to 30 breaths per minute for cats. These are reference figures from different sources and contexts, so they should not be combined into one universal rule or used as a diagnosis. The University of California, Davis vital-sign chart provides those source-specific figures.

The most useful comparison is often the pet’s own baseline. A reading that is typical for one animal may be unusual for another. A veterinarian may also set a different monitoring target for a pet with known heart disease, previous respiratory illness, medication, or other health factors.

Research supports using repeated home observations to understand individual patterns:

• In a study of 190 dogs with subclinical left-sided heart disease, owners collected ten one-minute home measurements over periods ranging from one week to six months. The study’s mean sleeping rate was 16 breaths per minute and mean resting rate was 21 breaths per minute, with rates relatively stable across repeated measurements. The dogs had a specific heart-disease population, so those results should not be applied as a normal range for every dog. The JAVMA study of dogs with subclinical heart disease describes that selected population.
• In a home-monitoring study of 141 cats, sleeping rates were generally below 30 breaths per minute in the normal, apparently healthy, and mild-to-moderate subclinical-heart-disease groups. Cats with severe left-atrial enlargement sometimes had higher sleeping rates. The finding supports context and trend monitoring; it is not a universal emergency cutoff. The Journal of Feline Medicine and Surgery study reports those findings.
• In a study of stable, medically controlled congestive heart failure, most home mean sleeping and resting rates in 51 dogs and 22 cats were below 30 breaths per minute, with species-specific distributions. The study described monitoring references for a selected, medically controlled group rather than a rule for individual emergency decisions. The medically controlled heart-failure study describes that selected group.

A high rate can be meaningful even when it does not exceed a published reference range. A sudden increase from a pet’s usual pattern may matter more than a single comparison with a general chart. A low or apparently normal number also does not rule out disease when the pet is coughing, weak, distressed, or behaving abnormally.

When is a pet breathing rate an emergency?

Visible breathing difficulty is an emergency boundary. Do not delay veterinary care to obtain a perfect respiratory-rate count.

Seek immediate emergency veterinary care if your dog or cat has any of these signs:

• Open-mouth breathing when that is not normal for the situation.
• Blue, gray, purple, or unusually pale gums, tongue, or other mucous membranes.
• Strong abdominal effort with each breath.
• The head and neck held outstretched to breathe.
• A lowered head, extended body, or unusual posture that appears to help the pet breathe.
• Loud, harsh, wheezing, gurgling, or otherwise abnormal breathing sounds.
• Weakness, collapse, fainting, or severe lethargy.
• Inability to lie down, sleep, or settle comfortably.
• Rapid breathing accompanied by obvious distress.
• A cat showing any clear difficulty breathing.

Cornell’s canine respiratory-distress guidance describes respiratory distress in dogs as a serious emergency and advises immediate evaluation. Its feline guidance states that a cat with breathing difficulty is at high risk without prompt treatment.

Do not use the absence of one sign to rule out an emergency. A pet may be seriously ill without having every listed symptom. If you are unsure whether the breathing looks comfortable, call an emergency veterinary hospital while preparing to leave.

A respiratory-rate number can support the assessment, but it does not control it. A pet with a rate that falls within a general reference range may still need urgent care if the effort is abnormal. A pet with a temporarily increased rate after activity may need a calm repeat if it quickly returns to comfortable breathing and has no warning signs.

A simple decision path

A published University of California, Davis feline case illustrates why the number and the visible signs belong together. The case described a cat with a recorded respiratory rate of 140 breaths per minute, shallow breathing, exaggerated respiratory effort, and slightly blue or pale mucous membranes. One case cannot establish a threshold or explain every high reading, but it shows why a markedly abnormal rate should be considered alongside the pet’s appearance and breathing effort. The UC Davis feline tachypnea case provides that illustration.

How do dog and cat observations differ?

The counting method is the same for dogs and cats: one complete inhalation-exhalation cycle equals one breath. The main differences involve what can interfere with the observation and how the pet may respond to being watched.

Dogs may pant for ordinary reasons, but persistent or harsh panting can also signal heat stress, pain, or illness. A dog that has just exercised should not be measured until it has returned to a comfortable resting state.

Cats often hide signs of illness, and purring can make a home count harder to interpret. If a cat is not purring and is resting comfortably, watch the chest or flank without disturbing it. Open-mouth breathing in a cat is especially concerning, but any concern about a cat’s ability to breathe comfortably warrants prompt veterinary advice.

The feline clinic-versus-home study also supports filming a cat before a veterinary visit when the cat is comfortable. The study directly evaluated cats, so it should not be treated as validation of one specific phone-video process for dogs. For either species, a video is supporting information, not a substitute for care during respiratory distress.

How should you record a pet’s breathing rate?

A useful log records the number together with the circumstances. This helps you identify a pattern and gives a veterinarian information that is easier to interpret than a single unexplained figure.

Record:

• Date and time.
• Species and pet name.
• Asleep, awake and resting, or another state.
• Counted interval: 15, 30, or 60 seconds.
• Raw breath count.
• Calculated breaths per minute.
• Whether the breathing appeared comfortable.
• Panting, purring, coughing, sneezing, noise, or movement.
• Recent activity, heat exposure, excitement, travel, or stress.
• Other changes such as reduced appetite, weakness, restlessness, vomiting, or collapse.
• Whether the reading was repeated.
• Any video captured during a comfortable observation.

The recommended fields are a practical communication aid rather than a validated diagnostic instrument. Veterinary guidance recommends keeping a record, and research supports preserving home context because rates can differ between home and clinic settings.

Copyable breathing log

For a dog or cat already being monitored for heart disease, follow the schedule given by the veterinary team. Some veterinary guidance describes daily measurements while a caregiver is learning, less frequent monitoring for selected asymptomatic patients, and more frequent monitoring for pets with heart failure on medication. Those schedules are examples for specific clinical contexts, not instructions for every healthy pet.

You can save this table in your notes app, print it, or copy the fields into a spreadsheet. A pet breathing tracking log can also help keep the observation details together if you prefer a separate record.

What should you tell the veterinarian?

Give the veterinarian the reading and the context around it. A useful report might sound like this:

“My 9-year-old dog was asleep at 9:20 p.m. I counted 14 complete breaths in 30 seconds, which equals 28 breaths per minute. Breathing looked comfortable, but this is higher than the usual readings of 18 to 22. I repeated it 20 minutes later and counted 15 breaths in 30 seconds, or 30 per minute. There was no panting, coughing, collapse, or gum-color change.”

For a cat, include whether the cat was purring and whether the mouth was closed. Note any posture that looks unusual, such as holding the head and neck extended, keeping the elbows away from the body, or repeatedly changing position because lying down seems uncomfortable.

Share a short video when it is safe and practical. A video can help show:

• The full chest or flank movement.
• Whether the mouth is open or closed.
• Breathing sounds.
• Abdominal effort.
• Posture and ability to settle.
• Whether the movement is steady or irregular.

Do not spend time recording a video if the pet is deteriorating. Leave for emergency care and call the hospital on the way if possible.

What is the safest way to interpret a high reading?

Interpret a high reading through four pieces of information:

1. Measurement quality: Was the pet asleep or calmly resting, and did you count complete cycles?
2. Context: Was there recent activity, heat, panting, stress, movement, or purring?
3. Trend: Is the rate repeatedly higher than the pet’s usual baseline?
4. Appearance: Is breathing comfortable, or is there visible effort or distress?

A single high number after activity may be a poor resting measurement. A repeated increase during sleep or quiet rest deserves a veterinary conversation. A high number paired with visible breathing difficulty requires emergency care.

Do not use a general chart to reassure yourself when the pet’s appearance is concerning. Do not use one abnormal reading to diagnose heart failure, lung disease, or another condition. The number helps describe what you observed; a veterinarian must determine what it means medically.

Common mistakes that reduce accuracy

Frequently Asked Questions

The decision to keep

Count one complete rise-and-fall cycle. Use a calm or sleeping observation when the pet is comfortable. Convert the result to breaths per minute, record the timing and circumstances, and repeat the count if the first reading was unreliable.

Then look at the pet, not just the number. A persistent increase during calm rest should be discussed with a veterinarian. Visible breathing difficulty, abnormal gum color, open-mouth breathing, strong abdominal effort, weakness, collapse, or an inability to settle requires emergency veterinary care without waiting for a perfect count.