10 Best Digital Basal Thermometer in The UK

Last updated on 12/05/2025
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Best Choice
1
9.9
Exceptional
Digital Basal Thermometer Ovulation with Backlight LCD Display, Premom APP(NOT Bluetooth), 1/100th Degree High Precision, Memory Recall, Ovulation Tracking, Charting & Natural Family Planning, Purple
Easy@Home
Digital Basal Thermometer Ovulation with Backlight LCD Display, Premom APP(NOT Bluetooth), 1/100th Degree High Precision, Memory Recall, Ovulation Tracking, Charting & Natural Family Planning, Purple
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Why We Love It
  • Tracks ovulation with precision.
  • Easy to read display.
  • Waterproof with flexible tip.
Main Highlights
  • 【MONITOR YOUR OVULATION CYCLE with Premom】: Use Premom App to track your BBT charting, Cover line and Ovulation test result for your natural family planning journey. Note: users MUST manually enter temperature in Premom app with this non-Bluetooth enabled model. BBT charting and coverline will be drawn automatically for your convenience.
  • 【CLINICAL HIGH ACCURACY (± 0.05 ℃ / ± 0.09 ℉)】: Measures Basal Body Temperature (BBT) to 1/100th of a degree precision (e.g. 36.34℃) in Celsius or Fahrenheit. The measurement takes about 90 seconds, longer than regular oral thermometer as it reads more precision, Recommended by the clinic.
  • 【LARGE BLUE SCREEN WITH BACKLIT】: Easy to read in the dark. Recall 30 temperature records in memory.
  • 【WATERPROOF AND FLEXIBLE TIP】: Waterproof and Flexible thermometer tip for easy to use and clean.
  • 【SOFT BEEPING ALARM】: Signals the completion of the test. No need to count timer.
9.9
Exceptional
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Best Value
2
9.8
Exceptional
Save 34%
Forehead Thermometer for Adults Kids, No-Touch Infrared LCD Display Digital Baby Thermometers Body Temperature Thermometer
femometer
Forehead Thermometer for Adults Kids, No-Touch Infrared LCD Display Digital Baby Thermometers Body Temperature Thermometer
34% OffFree Shipping
Why We Love It
  • No-contact, safe, and reliable usage.
  • Fast, accurate and data tracking.
  • Multi-use with fever alarm feature.
Main Highlights
  • No Touch & User-Friendly: Clinically validated and medically certified, our forehead thermometer prioritizes safety and accuracy. Compact yet easy to use, it delivers precise body temperature readings for your family's well-being.
  • Fast & Precise: Equipped with precise sensor probes and an optimized algorithm, this infrared thermometer provides results within 1 second. Store up to 10 temperature readings for easy tracking of historical data.
  • 3-in-1 Infrared Thermometer: Utilizing infrared technology, it measures forehead temperature and can also gauge the temperature of objects (like milk) and rooms.
  • Fever Alert with Backlight: Featuring a large LCD screen with 3 backlight indicators (green/yellow/red), the thermometer emits a warning sound for abnormal temperatures (red screen).
  • What's Included: 1 Touchless Infrared Thermometer, 1 User Manual, 2 LR03 Batteries. Enjoy 12 months of replacement from the purchase date and 24/7 friendly customer service.
9.8
Exceptional
Save 34%
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3
9.8
Exceptional
Save 15%
Digital Basal Body Temperature Thermometer Dual Modes: Easy@Home Fertility Thermometer with Backlight LCD Display, Premom APP | Ovulation Tracking & Charting | 1/100th Degree High Precision
Easy@Home
Digital Basal Body Temperature Thermometer Dual Modes: Easy@Home Fertility Thermometer with Backlight LCD Display, Premom APP | Ovulation Tracking & Charting | 1/100th Degree High Precision
15% OffFree Shipping
Why We Love It
  • Fast and highly accurate readings.
  • Advanced features with mobile app.
  • Comfortable and user-friendly design.
Main Highlights
  • BBT OR INSTANT READ MODES: The body temperature thermometer has 2 modes. In instant read mode, the oral body temperature can be measured in about 8-12 seconds. The bbt thermometer mode is designed for ovulation tracking and fertility prediction. It only takes about 60-120 seconds to get accurate result.
  • CLINICAL HIGH ACCURACY: The fertility thermometer provides temperature readings to 1/100th of a degree (2 decimal places). This oral thermometer is sensitive enough to measure subtle changes in body temperature with high accuracy of ±0.05℃(±0.09℉), and you can choose between Fahrenheit and Celsius.
  • SMART THERMOMETER WITH APP: By entering your basal body temperature manually, Premom app can automatically chart your reading inputs and draw your BBT shift digitally. You can track and view your ovulation cycle and fertility windows prediction at any time.
  • EASY TO READ: The digital thermometer has large LCD screen with backlit for reading in the dark easily. This bbt thermometer provides unlimited record stored on cloud with your account and 30 records recallable with device.
  • GENTLE TONE SOUND: Tone sounds when final temperature is reached & fever alarm.The basal body thermometer for ovulation tracking has a gentle confirmation beep, when testing is complete. No timer needed. No need to worry about waking up your sleeping partner beside you either.
9.8
Exceptional
Save 15%
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4
9.8
Exceptional
Save 9%
Beurer OT30 Digital Basal Thermometer with Bluetooth Data Transfer and Pregnancy Planning App, Displays Results in 3 Minutes, Suitable for Oral or Vaginal Use
Beurer
Beurer OT30 Digital Basal Thermometer with Bluetooth Data Transfer and Pregnancy Planning App, Displays Results in 3 Minutes, Suitable for Oral or Vaginal Use
9% Off
Why We Love It
  • Precise temperature measurement assured.
  • Smartphone tracking via Bluetooth.
  • Quick and clear results.
Main Highlights
  • NATURAL FAMILY PLANNING: Digital basal thermometer with flexible measuring tip for easy measurement of your basal body temperature
  • ACCURATE: Measures precisely to 2 decimal places allowing +/- 0.05 °C
  • BLUETOOTH TECHNOLOGY: Connects to the OVY app to calculate and track your cycle on your smartphone
  • EASY TO USE: The thermometer is suitable for oral or vaginal use, waterproof and suitable for disinfecting
  • FACT RESULT: Your measurement is delivered on teh easy-to-read LCD in just 3 minutes
  • Power source type: Battery Powered
9.8
Exceptional
Save 9%
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5
9.6
Superb
No-Touch Forehead Thermometer for Adults, Infrared Digital Thermometer for Kids, Touchless Baby Thermometer, Accurate Reading with LCD Display, Mute Mode, Memory Recall, Fever Alarm
ANMEATE
No-Touch Forehead Thermometer for Adults, Infrared Digital Thermometer for Kids, Touchless Baby Thermometer, Accurate Reading with LCD Display, Mute Mode, Memory Recall, Fever Alarm
Free Shipping
Why We Love It
  • Swift one-second read capability.
  • Remarkably accurate and reliable.
  • User-friendly for all ages.
Main Highlights
  • Swift Results in Just 1 Second: Experience the efficiency of our thermometer for adults with its remarkable 1-second read capability. Obtain accurate temperature readings swiftly, providing you with timely and dependable results.
  • Reliable and Accurate Measurements: Our forehead thermometer undergoes rigorous clinical testing, ensuring it is a fast and highly reliable device for temperature readings. Specifically designed for forehead use, it boasts a tiny error margin, making it an ideal choice for precise measurements.
  • 3 Backlight Indicators: (Green, Yellow, Red) for different temperature levels, turns red, and sounds an alarm when the temperature is abnormal. It has 35 sets of memory storage, a one-touch mute,℉ /℃ switchable, and a fever warning.
  • Suitable for All Ages with User-Friendly Design: Crafted to be gentle and ergonomic, our Fahrenheit/Celsius thermometer is suitable for all age groups. Its easy-to-use controls make it an excellent choice as a baby thermometer, for children, and as a reliable device for adults.
  • Complete Package with Warranty and Support: Your purchase includes the thermometer, 2 AAA batteries, user manual, and lifetime support. We are committed to providing you with a comprehensive and reliable solution for your temperature measurement needs.
9.6
Superb
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6
9.5
Superb
Smart Basal Body Thermometer, BBT Thermometer with Backlight LED Screen, Fertility/Period Tracker with Femometer APP, Automatic Data Recording, Lipstick Shape, Easy to Use and Carry, Purple
femometer
Smart Basal Body Thermometer, BBT Thermometer with Backlight LED Screen, Fertility/Period Tracker with Femometer APP, Automatic Data Recording, Lipstick Shape, Easy to Use and Carry, Purple
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Why We Love It
  • Connects with Femometer App.
  • High measurement accuracy.
  • Excellent customer service.
Main Highlights
  • 💄Pair with 𝗙𝗲𝗺𝗼𝗺𝗲𝘁𝗲𝗿 𝗔𝗽𝗽: After connecting to the APP via Bluetooth, it will automatically track the BBT chart and accurately calculate the ovulation cycle. It can help you get pregnant faster, avoid pregnancy naturally, monitor early pregnancy symptoms and track your period. It can also be used as a fever measurement tool for daily home use
  • 💄Designed for Women’s Convenience: With a lipstick-inspired look, others won’t easily notice your little secret of trying to get pregnant or planning natural birth control; no buttons, just pull the lid up or down to open or Shut down, take a quick measurement early in the morning, then go back to sleep
  • 💄3 Modes and High Accuracy: The measurement accuracy is as high as 0.09°F/0.05°C, which can capture the smallest BBT fluctuations. Three modes can be set in the APP, fast/normal/mercury, and the corresponding measurement time is 30s to 5min; data Store unlimited records in the cloud, a trustworthy basal body thermometer
  • 💄Other Functions: Yellow backlight for easy reading; no timer required, a gentle beep will emit when the temperature measurement is completed, and the volume is adjustable, so it will not disturb the sleep of the person next to you; the detailed instructions help you quickly understand how to use the product correctly; 𝐍𝐨𝐭𝐞: LO. Refers to the ambient temperature below 32 degrees Celsius. It’s not that the battery is low
  • 💄Customer Service: From the date of receipt, we provide 1-year service for quality-related issues. And you will get lifetime APP prime(femometer), you can enjoy more APP benefits. Refunds or free returns are acceptable, if you have any questions, please contact us via Amazon email and we will respond within 24 hours.
9.5
Superb
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7
9.4
Superb
Geratherm Basal Digital, Digital cycle thermometer for determination of the time of ovulation. by Geratherm
PISPO Ltd
Geratherm Basal Digital, Digital cycle thermometer for determination of the time of ovulation. by Geratherm
Main Highlights
  • digital cycle thermometer for determination of the time of ovulation.
9.4
Superb
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8
9.2
Superb
Save 10%
Ovulation Tracker Digital Basal Thermometer: Easy@Home BBT Thermometer for Fertility Prediction - Basal Body Thermometer for Accurate Temperature Monitoring with Premom App Purple DMT-3018
Easy@Home
Ovulation Tracker Digital Basal Thermometer: Easy@Home BBT Thermometer for Fertility Prediction - Basal Body Thermometer for Accurate Temperature Monitoring with Premom App Purple DMT-3018
10% OffFree Shipping
Why We Love It
  • Tracks fertile window efficiently.
  • Quick and accurate measurements.
  • Flexible, waterproof, and cleanable.
Main Highlights
  • The basal thermometer is a must-have for easily detecting your fertile window and tracking your ovulation day. By entering your basal body temperature manually, the Premom app can automatically chart your reading inputs and draw your BBT shift digitally. Whether you are trying to conceive(TTC), avoid pregnancy naturally, or just want to know your body better, the digital basal thermometer does it all with ease.
  • Quick and accurate measurement: The BBT thermometer for ovulation(1/100 Degree) has high accuracy at ±0.05℃/±0.10℉. The fast basal body thermometer only takes about 60 seconds for the result to appear. Take immediately upon awakening or before any activity for the most precision. Easily recall your last measured temperature in memory.
  • Soft Beep Alarm: The basal body thermometer for ovulation tracking has a gentle confirmation beep, when testing is complete. No timer needed. No need to worry about waking up your sleeping partner beside you either. Turn the smart oral basal thermometer off when finished, note that pressing the ON/OFF button down for 2 seconds will switch the measurement unit between Fahrenheit and Celsius.
  • Flexible and Waterproof: The fertility tracker thermometer tip is flexible and waterproof. Easy to clean by using alcohol or a damp cloth. Note: When "℉" or "℃" starts flashing with Lo on display, the fertility thermometer is then ready for use. This does not mean the battery low.
  • Customer Service: Experienced customer service agents are available for any questions you may have. We are so confident that you will love the oral basal body thermometer.
9.2
Superb
Save 10%
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9
9.0
Superb
Save 40%
Digital Basal Thermometer, 1/100th Degree High Precision, Quick 60-Sec Reading, Memory Recall, Accurate BBT Thermometer for Natural Ovulation Temperature Tracking by iProven
iProvèn
Digital Basal Thermometer, 1/100th Degree High Precision, Quick 60-Sec Reading, Memory Recall, Accurate BBT Thermometer for Natural Ovulation Temperature Tracking by iProven
40% OffFree Shipping
Why We Love It
  • Clinically accurate ovulation tracking.
  • Quick readings in 60 seconds.
  • Easy battery replacement process.
Main Highlights
  • Clinically Accurate Basal Body Thermometer for Natural Family Planning — Use iProvens BBT to detect your ovulation pattern and pinpoint your fertile window. Special chip for accurate readings to 0.01 degree.
  • Reading in 60 seconds, faster than any other BBT — The ovulation thermometer has a small tip that warms up quicker and, therefore, delivers an accurate reading of your real body temperature faster.
  • Manually enter your temperature in any ovulation app — The iProven Basal Body Thermometer does not synchronize with an app, but you can manually enter your data in any ovulation app. Or print the chart and track your cycle on paper!
  • Easily replace the battery in 4 steps — When the empty battery symbol is displayed, this is how you can replace it: open the cap; hold the battery case between your fingers and remove the battery with a needle; insert a new battery with the '-'sign facing up; put the cap back on.
  • Order today and you’re protected by a 100-day, no-questions-asked, full replacement policy and world-class customer service.
9.0
Superb
Save 40%
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10
8.9
Excellent
Save 36%
Braun Age Precision Digital thermometer - Digital Stick for Multi-Site Usage - Orally, Rectally or Underarm - Baby and Infant Friendly - #1 Brand among doctors(1) - PRT2000
Braun Healthcare
Braun Age Precision Digital thermometer - Digital Stick for Multi-Site Usage - Orally, Rectally or Underarm - Baby and Infant Friendly - #1 Brand among doctors(1) - PRT2000
36% OffFree Shipping
Why We Love It
  • Trusted Accuracy with Age Precision.
  • Quick, precise age-based results.
  • Comfortable, versatile usage options.
Main Highlights
  • #1 Brand among doctors(1): Clinically validated, Braun Age Precision Digital thermometer provides a quick and accurate measurement so you can manage your health at home, with confidence
  • AGE PRECISION TECHNOLOGY: The definition of fever changes with age(2) as a child grows from newborn to toddler; Our proprietary algorithm helps you understand the results by adjusting colour-coding based on your child's age—green indicates no fever, yellow indicates when a fever is present, and red indicates a high fever
  • MULTI-SITE USAGE: 3-in-1 thermometer suitable for oral, rectal, or underarm use
  • QUICK AND EASY TO USE: Braun Age Precision Digital thermometer provides a temperature measurement as fast as 8 seconds; Simple, button operation comes ready to use with a battery included and a storage cap
  • FLEXIBLE TIP: Features a small, soft, flexible tip that’s extra gentle so you can comfortably take temperatures orally, rectally, or under the arm
8.9
Excellent
Save 36%
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