Resting respiratory rate is the number of breaths your cat or dog takes in one minute while completely relaxed or asleep. Tracking it at home takes only 60 seconds and can help you notice a meaningful change early—especially if your pet has known heart or lung disease.
Quick answer: For many healthy, calm cats and dogs, a resting respiratory rate of about 15–30 breaths per minute is commonly reported. Your pet’s normal baseline matters more than a single reading. If the rate is repeatedly above your veterinarian’s advised limit, or breathing looks difficult, contact a veterinary professional.
Emergency warning: Seek urgent veterinary care if your pet is struggling to breathe, breathing with an open mouth (especially a cat), using the abdomen forcefully, cannot settle or lie down, collapses, or has pale, grey or blue gums. Do not delay emergency care to keep counting breaths.
What Is a Resting Respiratory Rate?
A resting respiratory rate (RRR), sometimes called a sleeping respiratory rate, measures how often your pet breathes when the body is at rest. One complete rise and fall of the chest or abdomen counts as one breath.
Measure the rate when your pet is sleeping soundly or resting quietly—not after exercise, play, excitement, panting, heat exposure or stress. Cats should not be purring during the count because purring can make the movement harder to interpret.
What Is a Normal Resting Respiratory Rate for Cats and Dogs?
| Pet | Common resting range | When to pay attention |
|---|---|---|
| Cat | About 15–30 breaths per minute | A persistent rise above the cat’s baseline, particularly with increased effort or other symptoms |
| Dog | About 15–30 breaths per minute | A persistent rise above the dog’s baseline, particularly with coughing, weakness or exercise intolerance |
These figures are general guidance, not a diagnosis. Rates vary with age, breed, body temperature, sleep stage, environment and health status. Some veterinary sources use thresholds around 30–35 breaths per minute, while an individual veterinarian may set a different alert level for a particular patient.
The most useful comparison is often your pet’s own pattern. For example, a dog whose sleeping rate is usually 18–22 breaths per minute but repeatedly rises into the 30s deserves attention, even if there is no dramatic single reading. Record the number, time, circumstances and any related symptoms so your veterinarian can interpret the trend.
How to Count Your Pet’s Resting Respiratory Rate
- Wait for deep rest. Choose a time when your cat or dog is asleep or completely relaxed. Do not count while your dog is panting or your cat is purring.
- Watch the chest or abdomen. Position yourself where you can see the movement without waking or disturbing your pet.
- Count one full breath. One rise and one fall together equal one breath.
- Time the count. Count for 30 seconds and multiply by two, or count for a full 60 seconds for a direct breaths-per-minute result.
- Repeat if the result seems unusual. Let your pet remain settled, then count again. A single high result after dreaming, movement or excitement may not represent the true resting rate.
- Record the result. Note the date, rate, energy level and any coughing, restlessness, appetite change or breathing effort.
Example calculation
If you count 12 complete chest movements in 30 seconds, multiply 12 by 2. The resting respiratory rate is 24 breaths per minute.
How Often Should You Measure It?
To learn your pet’s baseline, measure under similar conditions once daily for about a week. After that, the right schedule depends on your pet’s health and your veterinarian’s advice. A healthy pet may only need occasional checks, while an animal with diagnosed heart disease may need more frequent monitoring.
Consistency makes the record more useful. Try to measure at roughly the same time, in the same resting place and during a similar stage of sleep. Never change medication or dosage based on a home breathing count unless your veterinarian specifically instructs you to do so.
When Should You Call a Veterinarian?
Contact your veterinarian promptly if the resting respiratory rate remains higher than your pet’s established baseline or repeatedly exceeds the alert level your veterinary team provided. Recheck an unexpected reading after your pet has settled, but do not wait if other concerning signs are present.
Faster breathing can occur with heart disease, respiratory disease, fever, pain, anaemia, stress, heat and other conditions. The number alone cannot identify the cause. A veterinary examination is needed to determine why the rate has changed.
Signs to record alongside the breathing rate
- Increased effort, abdominal movement or noisy breathing
- Coughing, gagging or wheezing
- Restlessness or a new sleeping position
- Reduced energy or exercise tolerance
- Weakness, fainting or collapse
- Loss of appetite or weight change
- A swollen abdomen
- Pale, grey or blue gums
Track Breathing Changes With Energy and Behaviour
A respiratory rate becomes more informative when it is recorded with the rest of your pet’s daily health picture. In the Bliss Stylish Pet Health Tracker, you can record energy as Good, Fair or Poor and add other observations. If the breathing rate rises at the same time that energy, appetite or behaviour changes, share the combined record with your veterinarian.
The tracker does not currently have a dedicated resting respiratory rate field, so place the number in your notes. You can export the health record as a PDF and bring it to an appointment. This may help your veterinary team see when a change began and whether it is persistent.
Frequently Asked Questions
Is 30 breaths per minute normal for a sleeping dog or cat?
Thirty breaths per minute can fall near the upper end of a commonly cited resting range. Interpret it in context: compare it with your pet’s usual baseline, repeat the count when they are deeply settled and follow any threshold your veterinarian has given you.
Is a sleeping respiratory rate over 30 always an emergency?
No. One reading slightly above 30 is not automatically an emergency, particularly after movement, dreaming, heat or stress. A rate that stays elevated should be discussed with a veterinarian. Any breathing difficulty, open-mouth breathing in a cat, collapse, or pale, grey or blue gums requires urgent care.
Can I count for 15 seconds instead of a full minute?
You can count for 15 seconds and multiply by four, but small counting errors become larger after multiplication. A 30- or 60-second count is usually easier to interpret, especially when the breathing rhythm is irregular.
Does panting count as a resting respiratory rate?
No. Panting after exercise, excitement or heat does not provide a true resting respiratory rate. Wait until your pet has cooled down and is sleeping or fully relaxed.
Can resting respiratory rate diagnose heart disease?
No. A rising resting respiratory rate can be an early warning sign, but it cannot diagnose heart disease or reveal the cause. Only a veterinarian can assess your pet and recommend appropriate tests or treatment.
Veterinary Sources
- VCA Animal Hospitals: Home Breathing Rate Evaluation
- Cornell Feline Health Center: Cardiomyopathy
- Virginia Tech Veterinary Medicine: At-Home Respiratory Rate Monitoring
Medical disclaimer: This article is for educational purposes only and is not a substitute for veterinary diagnosis or treatment. If you are concerned about your pet’s breathing, contact a veterinarian or emergency veterinary service.