The Best Body Temperature Thermometer in 2024 (Reviewed)

The best body temperature thermometer is about 98.6 degrees Fahrenheit (°F) or 37 degrees Celsius (°C). The normal temperature often varies from 1° to 2°F (½° to 1°C). A normal temperature is typically lower in the morning and increases during the day.

Best Body Temperature Thermometer

A body temperature thermometer is a device used to measure the temperature of a person’s body. It is specifically designed to gauge the body temperature accurately and quickly. These thermometers are commonly used in medical settings, such as hospitals, clinics, and doctor’s offices, as well as in homes for personal use.

There are several types of body temperature thermometers available, including:

Digital Thermometers: These thermometers use electronic sensors to measure temperature. They are easy to use and provide a digital display of the measured temperature.

Infrared Thermometers: Also known as non-contact thermometers, they use infrared technology to measure temperature without physical contact with the person. They are held close to the body, usually near the forehead or ear, and provide a reading based on the emitted infrared radiation.

Ear Thermometers: These thermometers are designed specifically for measuring temperature in the ear canal. They use infrared technology to detect the heat emitted by the eardrum.

Oral Thermometers: These thermometers are placed under the tongue to measure body temperature. They typically use a probe and display the temperature digitally.

Rectal Thermometers: These thermometers are inserted into the rectum to measure body temperature accurately. They are often used for infants and young children because rectal measurements are considered the most accurate.

Body temperature thermometers play a crucial role in monitoring a person’s health, especially during illnesses or when there is a need to assess fever. They provide a numerical reading that indicates the body’s internal temperature, which can help in diagnosing and treating various medical conditions.

Body Temperature Thermometer

A body temperature thermometer is a device used to measure a person’s body temperature. It is commonly used in medical settings, homes, and other places to monitor an individual’s health and detect signs of fever or abnormal temperature.

Body Temperature Thermometer

Mercury-in-glass thermometers: These thermometers consist of a glass tube containing mercury. When the temperature rises, the mercury expands and rises within the tube, indicating the temperature.

Digital thermometers: These thermometers use electronic heat sensors to measure body temperature. They typically have a digital display that shows the temperature reading. Digital thermometers can be used orally, rectally, or under the armpit, depending on the model.

Infrared thermometers: Also known as non-contact thermometers, these devices measure temperature without making direct contact with the body. They use infrared technology to detect the heat emitted from the skin and provide a temperature reading. Infrared thermometers are often used for quick and contactless temperature screenings.

Ear thermometers: These thermometers are specifically designed to measure body temperature from the ear canal. They use infrared technology to detect the infrared heat emitted by the eardrum and provide an accurate temperature reading.

How to Take Your Temperature

Taking your temperature is a simple process that can be done using various methods. Here are a few common methods:

Digital Thermometer

1. Ensure that the digital thermometer’s battery is working and the device is clean

 2.Place the thermometer under your tongue, toward the back of your mouth

3. Close your mouth and breathe through your nose. Keep the thermometer in place until it beeps or indicates that the reading is complete

4. Remove the thermometer and read the temperature on the display

Ear Thermometer

1. Clean the tip of the ear thermometer with an alcohol wipe or use a disposable probe cover

2. Gently pull the earlobe back and insert the thermometer probe into the ear canal

3. Press the button to take the reading and wait for the thermometer to beep or indicate the completion of the measurement

4. Remove the thermometer and read the temperature displayed

Forehead Thermometer

1. Ensure the forehead is dry and clean

2. Hold the thermometer and position the sensor in the center of the forehead, just above the eyebrows

3. Press the button to take the reading and wait for the thermometer to beep or indicate the completion of the measurement

4. Remove the thermometer and read the temperature displayed

Temporal Artery Thermometer

1. Ensure that the forehead is clean and dry

2. Gently sweep the thermometer across the forehead, following the manufacturer’s instructions

3. Press the button to take the reading and wait for the thermometer to beep or indicate the completion of the measurement

4. Remove the thermometer and read the temperature displayed

Why Should I Take My Best Body Temperature Thermometer?

Taking your body temperature is a simple yet effective way to monitor your health and detect any potential abnormalities. Here are some reasons why you should have a reliable body temperature thermometer, such as a digital thermometer:

Early Detection of Fever: A rise in body temperature is often the first sign of illness, particularly fever. By regularly monitoring your temperature, you can identify fever early on, enabling prompt medical attention and appropriate treatment. This is especially important for conditions like infections, flu, and COVID-19.

Health Monitoring: Tracking your body temperature over time can help you establish a baseline and notice any patterns or fluctuations. This information can be valuable for monitoring your overall health and identifying any potential underlying issues. For example, recurrent low-grade fevers or persistent elevated temperatures may indicate an underlying health condition that requires medical attention.

Peace of Mind: Having a thermometer at hand can provide reassurance and peace of mind, especially for parents with young children. Instead of relying solely on subjective observations like feeling warm or cool, having an accurate temperature reading can help you make informed decisions about your health or the health of your loved ones.

Medication Monitoring: Certain medications, such as antibiotics or antipyretics, may be prescribed based on body temperature readings. Having a reliable thermometer allows you to monitor the effectiveness of these medications and ensure that your temperature is returning to normal levels as expected.

Travel and Public Health: In today’s globalized world, where infectious diseases can spread quickly, having a thermometer is particularly important. It can be beneficial when traveling, especially to areas with known disease outbreaks. Monitoring your temperature during and after travel can help you identify any potential health issues and seek appropriate medical attention promptly.

Telemedicine and Remote Monitoring: With the increasing availability of telemedicine and remote healthcare options, having a thermometer can be valuable for remote consultations with healthcare professionals. They may ask for your temperature as part of the assessment and to guide their recommendations.

Normal Body Temperature

The normal body temperature for adults is typically considered to be around 98.6 degrees Fahrenheit or 37 degrees Celsius when measured orally (by mouth). However, it’s important to note that body temperature can vary slightly from person to person and can also fluctuate throughout the day.

Other commonly used methods of measuring body temperature include measuring it rectally (in the anus) or axillary (under the arm). Rectal temperatures tend to be slightly higher than oral temperatures, while axillary temperatures are generally lower.

What Temperature is Considered a Fever?

A fever is generally defined as a temporary increase in body temperature, often indicating that the body is fighting an infection or illness. The exact temperature that is considered a fever can vary slightly depending on the source, but a widely accepted threshold is a body temperature of 100.4 degrees Fahrenheit (38 degrees Celsius) or higher when measured orally.

If you suspect you have a fever, it’s best to consult with a healthcare professional for an accurate diagnosis and appropriate advice. They will consider other symptoms, medical history, and individual circumstances to determine if the temperature reading indicates a fever or requires further evaluation.

How to Use a Digital Thermometer?

Using a digital thermometer is a straightforward process. Here’s a step-by-step guide on how to use a typical digital thermometer:

Prepare the thermometer: Ensure that the thermometer has a fresh battery and is clean. If necessary, refer to the manufacturer’s instructions for any specific preparation steps.

Turn on the thermometer: Most digital thermometers have a power button. Press and hold the power button until the display screen activates. Some thermometers may turn on automatically when the probe is exposed to the air.

Sterilize the probe (if required): If the thermometer’s instructions recommend sterilizing the probe before each use, clean it using rubbing alcohol or follow the specific guidelines provided by the manufacturer.

Position the probe: Place the tip of the thermometer probe at the location where you want to measure the temperature. The specific area depends on the type of measurement you’re taking. For example, for oral temperature, place it under the tongue, or for forehead temperature, position it against the forehead.

Wait for the reading: Keep the thermometer in place until you hear a beep or see a signal indicating that the reading is complete. It usually takes a few seconds, but the duration may vary depending on the thermometer model.

Read the temperature: Once the reading is complete, the temperature will be displayed on the screen. The display may also show other information, such as a fever indicator or memory functions, depending on the features of your thermometer.

Record the temperature: Take note of the temperature reading, especially if you need to track changes over time or report them to a healthcare professional. Some digital thermometers even have memory functions that can store previous readings.

Turn off or reset the thermometer: To conserve battery life, turn off the thermometer after use, or follow the manufacturer’s instructions for resetting the device.

Clean the thermometer: After each use, clean the probe with a soft cloth or a cotton ball moistened with alcohol. Avoid submerging the entire thermometer in water unless the manufacturer specifies that it is waterproof.

The Best Body Temperature Thermometer for 2024

There are several types of body temperature thermometers available on the market, and the best one for you will depend on your specific needs and preferences. Here are some popular options:

Digital Oral Thermometer: This is a traditional thermometer that you place under your tongue to measure your body temperature. It is easy to use, relatively inexpensive, and provides accurate readings. Look for one with a flexible tip for comfort.

Digital Forehead Thermometer: Forehead thermometers use infrared technology to measure body temperature by scanning the forehead. They are non-contact and provide quick readings, making them convenient for both adults and children. Look for a model with good accuracy and a clear display.

Ear Thermometer: Also known as tympanic thermometers, these devices measure body temperature by placing them in the ear canal. They are fast, easy to use, and suitable for all ages. Look for one that has a pre-warmed tip for accurate readings and features like a backlit display and memory function.

Temporal Artery Thermometer: This type of thermometer measures body temperature by scanning the temporal artery on the forehead. It is non-contact and provides quick readings. Look for a model with good accuracy and a user-friendly design.

Smart Thermometers: These thermometers connect to your smartphone via Bluetooth or Wi-Fi, allowing you to track and monitor your temperature readings over time. They often come with additional features like fever alerts, multiple user profiles, and integration with health apps.

Buying Guide

When it comes to buying a body temperature thermometer, there are a few key factors to consider. Here’s a buying guide to help you make an informed decision:


The most important factor to consider is the accuracy of the thermometer. Look for a thermometer that provides reliable and consistent readings. Check for clinical accuracy and look for models that are approved by relevant health authorities.

Type of Thermometer

Decide on the type of thermometer that suits your needs. Consider factors such as ease of use, age appropriateness (especially for children), and your personal preferences. Digital oral thermometers, forehead thermometers, ear thermometers, and temporal artery thermometers are some common options.

Measurement Speed

Some thermometers provide faster readings than others. Consider whether you need a quick result, especially if you’re dealing with a restless child or someone uncomfortable with prolonged measurements.


Look for a thermometer with a clear and easy-to-read display. It should have large numbers and symbols that are easy to interpret. Backlit displays are useful for low-light conditions.

Memory Function

Thermometers with a memory function can store previous temperature readings, allowing you to track changes over time. This feature can help monitor fever progression or share data with healthcare professionals.

Age Appropriateness

If you’re buying a thermometer for a baby or young child, consider getting one specifically designed for pediatric use. These thermometers are often equipped with smaller tips or probes that are more suitable for children.

Non-Contact vs. Contact

Non-contact thermometers offer convenience and hygienic measurements, but they can be more expensive. Contact thermometers require physical contact with the body but are usually more affordable.

Additional Features

Some thermometers come with extra features like fever alerts, silent mode, auto shut-off, and compatibility with smartphones or health apps. Consider which features are important to you.

Reliability and Durability

Look for thermometers that are known for their reliability and durability. Read customer reviews and check for product warranties or guarantees.


Set a budget for your thermometer purchase. While it’s important to invest in a reliable and accurate thermometer, you can find options that fit within various price ranges.


Q1: How do I use a digital oral thermometer?

A1: Place the thermometer tip under your tongue and close your mouth for the specified time. Once the reading stabilizes, remove the thermometer and check the temperature on the display.

Q2: Are non-contact forehead thermometers accurate?

A2: Non-contact forehead thermometers can provide accurate readings when used correctly. It’s important to follow the manufacturer’s instructions and aim the thermometer at the correct distance from the forehead for accurate results.

Q3: Are ear thermometers safe for infants?

A3: Ear thermometers are generally safe for infants. However, it’s essential to use them correctly by gently inserting the probe into the ear canal and aiming it properly for accurate readings. Follow the manufacturer’s instructions and consider choosing a model specifically designed for pediatric use.

Q4: Can I use a temporal artery thermometer on a newborn?

A4: Temporal artery thermometers can be used on newborns. They are non-invasive and provide quick readings. However, it’s important to read the manufacturer’s guidelines and ensure proper technique for accurate results.

Q5: Do smart thermometers require a smartphone to function?

A5: Yes, smart thermometers require a smartphone or compatible device to connect via Bluetooth or Wi-Fi. The thermometer’s readings are typically displayed on the smartphone and may offer additional features like data tracking and alerts.

Q6: How important is the accuracy of a thermometer?

A6: Accuracy is crucial when it comes to measuring body temperature, as it affects the reliability of the readings. Choosing a thermometer that provides accurate results is essential for proper monitoring and diagnosis of fever or other health conditions.

Q7: Can I use the same thermometer for multiple people?

A7: Sharing a thermometer between multiple people can introduce the risk of cross-contamination, especially if it is a contact thermometer. If you need to use a thermometer for multiple individuals, consider using disposable probe covers or clean and sanitize the thermometer between uses.

Q8: How often should I calibrate my thermometer?

A8: The calibration requirements for thermometers vary depending on the type and manufacturer’s recommendations. Some thermometers may not require calibration, while others may require periodic calibration. Refer to the manufacturer’s instructions or consult the product manual for guidance on calibration.

Q9: Can I use a body temperature thermometer to measure other temperatures?

A9: Body temperature thermometers are specifically designed for measuring human body temperature. They may not provide accurate readings for other purposes, such as measuring ambient temperatures or food temperatures. It’s best to use specialized thermometers for those applications.


The best thermometer for you depends on your needs, preferences, and circumstances. Digital thermometers, infrared thermometers, and smart thermometers are all viable options to consider.

When choosing a thermometer, it is important to prioritize accuracy, ease of use, comfort, and age appropriateness. Additionally, consider your budget and any specific features you may require, such as data tracking or connectivity to a smartphone or other devices.

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