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The 8 Best underarm thermometer for kids of 2025

Are you trying to find underarm thermometer for kids among various brands on the market but aren’t sure where to begin? To assist you in finding the right one, we’ve put together a list of the 7 best to help you pick the perfect one!

We investigated and evaluated a number of the top-selling underarm thermometer for kids on the market in order to create our list of the best. Making a decision among the many options available is never simple. There are an infinite number of models available, each with a distinct price. And as you’ll find out, the best options aren’t usually the ones you imagine! This comparison is rich and relevant because of the numerous factors that were employed. You will find products featured in this ranking not only based on their pricing but also on their features and other customers reviews. To write this review, we completed 19 hours of research and did 34 underarm thermometer for kids tests. You won’t need to pick products at random any more. If you’re unsure of what to look for, browse our list and consult the buying guide!

An overview of our top picks

Table of contents

The best underarm thermometer for kids you can buy today

SaleNo. 1
Frida Baby 3-in-1 Rectal, Underarm & Oral Thermometer for Kids, Digital Baby Thermometer for Infants, Toddlers, & Kids, FSA/HSA Eligible
  • 10-SECOND QUICK TEMP - Get a quick reading of baby’s temp in just 10 seconds.
  • THERMOMETER FOR ALL STAGES- The thermometer can be used for all stages of growth! Rectally as a baby thermometer or orally, under the armpits as a thermometer for kids.
  • USE THREE WAYS - Can be used as a oral thermometer, rectal thermometer or under the armpit.
  • NIGHTTIME READY - Digital backlit screen and LED light helps makes nighttime checks a breeze.
  • RECTAL STOPPER - Stopper keeps rectal thermometer for babies from being inserted too far into the rectum.
SaleNo. 2
Boncare 10 Seconds Oral Thermometer for Adults and Kids - Accurate & Safe Rectal Thermometer for Baby with Fever Alarm, Digital Thermometer FSA HSA Eligible (Light Blue)
  • Safe Thermometers for Adults and Babies: Boncare thermometer comes with a soft silicone tip and a reliable stainless - steel probe. It's designed for oral, rectal, or axillary use, making it suitable for infants, children, adults, and dogs. It offers great convenience and ensures safety for you and your family.
  • Accurate and Fast Reading: This digital thermometer uses the latest and most advanced sensor probe and takes only about 10 seconds to get a reading. Its temperature - reading function has been clinically tested, enabling it to accurately detect fever. Thus, it can assist you in deciding whether you need to rest or seek medical care.
  • LCD Screen Display: Our baby thermometer features a highly legible LCD screen. It comes with a beeper alarm for notification, a memory display function to recall last reading, and an auto - shut - off mechanism for energy conservation. Moreover, it allows you to easily switch between ℉(Fahrenheit) and ℃ (celsius).
  • Hygienic and Portable Design: The waterproof tip of the mouth thermometer makes cleaning it hygienically a breeze. You can wipe it with water and clean it with medical alcohol either before or after each use. It's lightweight and portable, and comes with a storage case, so you can use it both at home and on the go whenever the need arises.
  • Note: Before using the health care thermometer, carefully read the product manual. Start measuring when “Lo℉” shows up. To ensure the accuracy of the measurement, avoid touching the probe with your hands or other hot objects prior to taking the temperature.
No. 3
OCCObaby Clinical Digital Baby Thermometer - LCD, Flexible Tip, 10 Second Quick Accurate Fever Read Rectal Oral & Underarm Use - Waterproof Thermometer for Infants & Toddlers
1,302 Consomer Reviews
OCCObaby Clinical Digital Baby Thermometer - LCD, Flexible Tip, 10 Second Quick Accurate Fever Read Rectal Oral & Underarm Use - Waterproof Thermometer for Infants & Toddlers
  • Flexible Tip: The flexible tip of this baby rectal thermometer ensures comfortable and safe temperature readings for newborns, infants, and babies.
  • 10 Second Reading: Get quick and accurate temperature readings in just 10 seconds with this baby thermometer for infants
  • Rectal, Oral, Under Arm: Versatile and reliable, this baby thermometer can be used rectally, orally, or under the arm, allowing you to choose the most convenient method for your baby.
  • Safe and Gentle: Designed with the utmost care, this infant rectal thermometer provides gentle and safe temperature measurements, making it suitable for newborns and infants.
  • Easy to Use: With its user-friendly design, this rectal thermometer is easy to use, ensuring hassle-free temperature monitoring for your baby.
  • American Academy of Pediatric recommends baby rectal thermometers for accuracy and reliability with newborns & infants
  • Versatile baby thermometer: Rectal | Oral | Armpit measurements for Infants | Toddlers | Kids | Adults
  • Sensitive Baby Fever Alarm, LArge LCD screen, waterproof for easy cleaning, BPA-Free and Latex free
SaleNo. 4
Digital Oral Thermometer, 8s Fast Reading Thermometer for Adults and Kids with 3 Color Backlit and Fever Alarm for Oral, Rectal, Underarm FSA HSA Eligible
  • 【Safe Oral Thermometer】 The thermometer is made of BPA free and stainless steel probe material, with a soft silicone tip. Medical thermometers can be used through the mouth, rectum, or armpit. Providing convenience and safety for you and your family
  • 【8s Fast Reading】 The digital thermometer provides accurate, easy-to-understand readings in just 8 seconds, so you can get quick results when you need them most. It also has a memory function that recalls and displays the last temperature taken
  • 【Large Backlit Screen】 The green display indicates a normal temperature, yellow indicates an elevated temperature, and red indicates a high temperature. The baby thermometer also offers auto shut-off, ℉ to ℃ mode switching and long-lasting battery
  • 【Wide Use Range】 The thermometer can be used in the mouth, rectum and armpit. Suitable for infants, children and adults of all ages to measure their temperature. Please use wipe with water and clean with medical alcohol after or before each use
  • 【Package Include】 1× Digital thermometer,1× Storage case, 1× Instruction manual. NOTE: Start measurement after “Lo” shows. 7*24h after-sales service. If you have any questions during use, please contact us
SaleNo. 5
Vicks SpeedRead Digital Thermometer with Color-Coded Temperature Readings, Use as Oral Thermometer, Baby Rectal Thermometer or Under The Arm, Water Resistant, FSA and HSA Eligible
  • QUICK, ACCURATE RESULTS – This Vicks Thermometer provides accurate, simple to understand the readings in only 8 seconds, so you can get results quickly, when you need them most. It also has a memory feature that recalls and displays last temperature taken
  • EASY TO READ – The color coded Fever InSight helps get temperature readings at a glance, and understand them easily. A green display suggests a normal temperature, yellow signifies an elevated temperature and a red display indicates a high temperature
  • VERSATILE – With an 8-second turnaround time, it’s great as a thermometer for adults as well as infants, toddlers and kids. SpeedRead can be used as an oral digital thermometer, a baby rectal thermometer or under the arm.
  • SPECIAL FEATURES – This Vicks digital thermometer is water resistant for easy, thorough cleaning, and an automatic shut-off for longer battery life. Plus, it includes a battery and has a limited 1 year warranty.
  • A CENTURY OF POWERFUL RELIEF – At Vicks, we believe everyone deserves a touch of care. You can rely on our line of adult, kids and baby thermometers to provide quick, accurate results when you need them most
SaleNo. 6
Boncare 10 Seconds Digital Thermometer for Adults and Kids - Accurate & Safe Rectal Thermometer for Baby with Fever Alarm, Oral Thermometer FSA HSA Eligible (Dark Blue)
30,939 Consomer Reviews
Boncare 10 Seconds Digital Thermometer for Adults and Kids - Accurate & Safe Rectal Thermometer for Baby with Fever Alarm, Oral Thermometer FSA HSA Eligible (Dark Blue)
  • Safe Thermometers for Adults and Babies: Boncare thermometer comes with a soft silicone tip and a reliable stainless - steel probe. It's designed for oral, rectal, or axillary use, making it suitable for infants, children, adults, and dogs. It offers great convenience and ensures safety for you and your family.
  • Accurate and Fast Reading: This digital thermometer uses the latest and most advanced sensor probe and takes only about 10 seconds to get a reading. Its temperature - reading function has been clinically tested, enabling it to accurately detect fever. Thus, it can assist you in deciding whether you need to rest or seek medical care.
  • LCD Screen Display: Our baby thermometer features a highly legible LCD screen. It comes with a beeper alarm for notification, a memory display function to recall last reading, and an auto - shut - off mechanism for energy conservation. Moreover, it allows you to easily switch between ℉(Fahrenheit) and ℃ (celsius).
  • Hygienic and Portable Design: The waterproof tip of the mouth thermometer makes cleaning it hygienically a breeze. You can wipe it with water and clean it with medical alcohol either before or after each use. It's lightweight and portable, and comes with a storage case, so you can use it both at home and on the go whenever the need arises.
  • Note: Before using the health care thermometer, carefully read the product manual. Start measuring when “Lo℉” shows up. To ensure the accuracy of the measurement, avoid touching the probe with your hands or other hot objects prior to taking the temperature.
SaleNo. 7
Kinsa Smart,Fever, Digital Medical Baby, Kid and Adult Termometro - Accurate, Fast, FDA Cleared Thermometer for Oral, Armpit or Rectal Temperature Reading - QuickCare
  • ACCURATE, RELIABLE, FAST - FDA-cleared for safety & accuracy, the Kinsa QuickCare smart thermometer produces an accurate temperature reading (in F and C) in under 8 seconds. QuickCare also meets ASTM standards for all thermometer devices.
  • VERSATILE DESIGN + COMFORTABLE, FLEXIBLE TIP - The stick-shaped thermometer can be used orally, underarm or rectally. The soft outer coating and flexible, bendable tip offers optimal comfort for family members of all ages, from your sleeping baby to elderly grandparents, and everyone in between.
  • EASY TO USE - No-hassle design & large lighted display with fever indication icons makes temperature-taking a breeze - and temperatures easy to read, day or night. A simple push of a button toggles your thermometer between F and C readings.
  • SMART FEATURES FOR ADDED PEACE OF MIND - Unlock additional benefits when using your thermometer with the free Kinsa app**. The app turns your QuickCare thermometer into a Nurse in Your Pocket, answering the questions you care about when a loved one is sick. **App not required for the thermometer to work. Plus, Ellie the Elephant’s bubble-blowing animation* entrances fidgety kids, keeping them still so you get an accurate reading every time. *Displays on your smartphone screen.
  • LIKE A NURSE IN YOUR POCKET - Track fever and symptoms for all family members (unlimited number of profiles and symptoms saved) with the optional Kinsa app. Record medication dosages & timings, and set reminders for your next dose. Get personalized care guidance based on age and symptoms, like whether you need to call the doctor or if you can manage symptoms at home. Easy-to-share illness history can be shared with another caregiver, spouse, or doctor for a quicker, more accurate diagnosis
SaleNo. 8
Vicks ComfortFlex Digital Thermometer – Accurate, Color Coded Reading in 8 Seconds – Digital Thermometer for Oral, Rectal or Under Arm Use
  • QUICK, ACCURATE RESULTS – This Vicks Thermometer provides accurate, simple to understand readings in only 8 seconds, so you can get results quickly, when you need them most. It also has a memory feature that recalls and displays last temperature taken.
  • EASY TO READ – Color coded Fever InSight guide helps get temperature readings at a glance and understand them easily. A green display suggests a normal temperature, yellow signifies an elevated temperature and a red display indicates a high temperature.
  • VERSATILE – With an 8-second turnaround time and flexible, comfortable tip, it’s great as a thermometer for adults as well as infants, toddlers and kids. ComfortFlex can be used as an oral digital thermometer, a baby rectal thermometer or under the arm.
  • SPECIAL FEATURES – This Vicks digital thermometer is waterproof for easy, thorough cleaning and is BPA free. Plus, it includes a battery and has a limited 1 year warranty.
  • A CENTURY OF POWERFUL RELIEF – At Vicks, we believe everyone deserves a touch of care. You can rely on our line of adult, kids and baby thermometers to provide quick, accurate results when you need them most.
No. 9
Berrcom Digital Thermometer for Adults and Kids, Medical Thermometer for Fever 10 Second Reading Armpit Thermometers with Fever Alarm
  • Accurate Readings: This oral thermometer for kids fast measurement to provide accurate, reliable readings. Used latest advance sensory probe. Convenient and safe for you and your family
  • Large LCD Screen Display: The digital thermometer for adults uses a large LCD screen so that readings can be displayed quickly and clearly, beeper alarm, memory display, auto shut off, easily switch the units between ℉ and ℃
  • Easy to Use and Clean: Waterproof tip allows you to clean the baby thermometer in an easy and hygienic way. Please use wipe with water and clean with medical alcohol after or before each use
  • Safe Thermometer for All Age: Please read the product manual carefully before using. Start measuring when you see “Lo℉”. This fever thermometer for adults and kids works for oral, rectal and in armpit. It is suitable for all ages
  • In The Box: 1× Digital thermometer, 1× Instruction manual, 1*LR41 battery, 1*Storage case, you can carry it to anywhere and use it anytime. An ideal choice for at-home use and for hospitals, hotels, schools, and other public or private establishments
SaleNo. 10
Berrcom Digital Thermometer for Adults, Oral and Underarm Thermometer for Baby and Kids Medical Thermometer with Fever Alarm Rectal Thermometer with Soft Tips
  • Accurate Readings: Berrcom digital thermometer fast measurement to provide accurate, reliable readings. The temperature is provides accurate results to measure oral, rectal and underarm temperatures
  • Waterproof Tip: Baby thermometer comes with soft silicone tip and stainless steel probe is comfortable to test. With a storage case, you can carry it to anywhere and use it anytime
  • Switchable Units: This oral thermometer is easy to read with clear display, beeper alarm, memory display, auto shut off, easily switch the units between ℉ and ℃ 1. Turn off the button. 2. Hold the button for 2-4s to swith the unit ℃/℉
  • Wide Range of Use: Temperature thermometer works for orally,rectally and in armpit. It is suitable for all ages, babies, children, adults to measure temperature
  • Note: Please read the product manual carefully before using medical thermometer. Start measuring when you see “Lo℉”. To ensure an accurate result, do not touch the probe with your hands or other objects with high temperature before taking your temperature

How to choose a good underarm thermometer for kids

Does the idea of finding a fantastic underarm thermometer for kids make you anxious? When it comes to purchasing this product, specifically when deciding which model to select, has your head been spinning between options? You are not alone if that is the case. We are aware of the pressure involved in the purchasing process!

Your presence here indicates that you are interested in underarm thermometer for kids. Before choosing which product would be the best for your needs after being inundated with information, locate a reliable source with genuine selections. You can get that information from a variety of sources, including buying guides and rating websites, word-of-mouth recommendations from friends and family, online discussion forums where users can share their own experiences, product reviews that can be found all over the internet, and YouTube channels. You can only get the right product through exhaustive analysis. But you realize that’s not always simple. In order to ease your concerns, we have taken the time to develop a list of the top underarm thermometer for kids products available right now. You might be wondering how we came up with the list. How was this buying guide developed?

First, we used our algorithms to gather as much reliable data as we could about these products. To verify all the data gathered, we used both artificial intelligence and a lot of algorithms.
Then, our experts used criteria that are recognized in the business to evaluate them according to their quality to price ratio, allowing us to choose the top underarm thermometer for kids on the market right now!

The selection of the goods is not arbitrary. Before creating a list, we take into account a number of factors. Below are some of the criteria discussed:

Brand Value: What happens if you choose a dubious brand just because it appears to be a good deal? So the likelihood of receiving a product with a short shelf life increases. That is due to the fact that well-known brands have a reputation to uphold, while others do not. Top underarm thermometer for kids brands strive to provide some distinctive traits that set them apart from the competition. So, hopefully one or more of the items on our list will be perfect for you.

Features: Useful features are all you need, not tons of them. We consider the important aspects and select the top underarm thermometer for kids based on those.

Specifications: Numbers always help you measure the quality of a product in a quantitative way. We try to find products with higher specifications, but with the right balance.

Quality: A product’s quality may always be quantified with the aid of numbers. We look for goods with better standards that strike the proper balance. The best quality product that gets highly appreciated and recommended by experienced users.

Customer ratings:  Would it be accurate to suggest that the underarm thermometer for kids were used by hundreds of customers before you? Superior ratings indicate that many customers had better service.

Customer Reviews: Like ratings,  provide you with accurate and reliable information about the product from genuine customers. Customer ratings are very important to all of us because they contain accurate and reliable information about the customer service we received from several hundred customers.

Seller Rank: This is very intriguing! Not only do you need a good underarm thermometer for kids, you also need a product with rising sales that is trendy. It accomplishes two goals. First, the expanding user base proves the quality of the product. Second, given that number, producers must be able to offer greater quality and after-sales support.

Value: You get what you pay for, they say, so consider the value. Cheap isn’t always good and expensive isn’t always bad. However, that does not imply that spending a lot of money on a product that is flashy but underwhelming is a good idea. Before adding them to the list, we make an effort to evaluate how much value you can get for your money from your underarm thermometer for kids.

Durability: Durability and reliability are closely related concepts. You will benefit from a strong and long-lasting underarm thermometer for kids for months and years to come.

Product availability: Products come and go, and new ones replace the old ones. Most likely, a few new features and required changes were made. What use is it to use a supposedly good product if the maker no longer supports it? We make an effort to highlight products that are current and offered by one or more trustworthy sellers, if not more.

Negative Reviews: Yes, we do take that into account as well! The goods with the majority of bad reviews are filtered out and disregarded when we choose the best-rated one on the market.

These are the standards by which we selected our underarm thermometer for kids. Do we end our process there? Hell no. The most crucial fact about us that you should be aware of is that we regularly update our website with current and pertinent information. We have one more layer of filtration since we place the greatest importance on reader satisfaction. Please let us know if any product included here is incorrect, irrelevant, subpar, or simply out of date. We always value your opinions, and we’ll work hard to make any necessary corrections to our list in response to them.

Why should you believe us?

There are now thousands of possibilities for these products on Amazon, but choosing the best one can be difficult and time-consuming. And what underarm thermometer for kids should you purchase in 2022?

This guide is the result of more than 10 years of experience in researching, testing and writing about many topics. Each member of our team is an authority in their area. We read every article we could find online and every consumer review on every retail website for seven hours. Additionally, we discovered a ton of websites that offered helpful resources, including buying tips and thorough information on underarm thermometer for kids.