The Best Basal Thermometers 2025

1. Nexcare Basal Digital Thermometer 1 ea (Pack of 4)

Pack of 4 for the UPC: 051131197206 Your basal temperature is your body’s temperature when you are at rest. Measuring basal temperature helps in determining fertility cycles, among other things. The Nexcare Basal Digital Thermometer measures temperature to the 10th degree and offers a more accurate reading of basal temperature than glass or mercury thermometers. The Accu-Beep feature of Nexcare Basal Digital Thermometers ensures fast, accurate readings and even confirms with a beep that you are using the thermometer correctly. It even has an auto memory feature that helps you keep track by showing the last temperature taken. Nexcare Basal Digital Thermometer can be used orally or rectally. A battery and storage case are included.• Accu-Beep feature ensures fast, accurate readings • Check basal temperature to understand your fertility cycle • Auto memory shows last temperature taken • Mercury free • Oral or rectal use • Clinically proven to match glass thermometer accuracy • Continuous beep confirms you are using the thermometer correctly • Signals when complete • As fast as one-minute temperature read-out • Automatic shut-off • Battery and storage case included

Nexcare Basal Digital Thermometer 1 ea (Pack of 4)

2. Nexcare Basal Digital Thermometer 1 ea (Pack of 6)

Pack of 6 for the UPC: 051131197206 Your basal temperature is your body’s temperature when you are at rest. Measuring basal temperature helps in determining fertility cycles, among other things. The Nexcare Basal Digital Thermometer measures temperature to the 10th degree and offers a more accurate reading of basal temperature than glass or mercury thermometers. The Accu-Beep feature of Nexcare Basal Digital Thermometers ensures fast, accurate readings and even confirms with a beep that you are using the thermometer correctly. It even has an auto memory feature that helps you keep track by showing the last temperature taken. Nexcare Basal Digital Thermometer can be used orally or rectally. A battery and storage case are included.• Accu-Beep feature ensures fast, accurate readings • Check basal temperature to understand your fertility cycle • Auto memory shows last temperature taken • Mercury free • Oral or rectal use • Clinically proven to match glass thermometer accuracy • Continuous beep confirms you are using the thermometer correctly • Signals when complete • As fast as one-minute temperature read-out • Automatic shut-off • Battery and storage case included

Nexcare Basal Digital Thermometer 1 ea (Pack of 6)

3. Nexcare Basal Digital Thermometer 1 ea (Pack of 2)

Pack of 2 for the UPC: 051131197206 Your basal temperature is your body’s temperature when you are at rest. Measuring basal temperature helps in determining fertility cycles, among other things. The Nexcare Basal Digital Thermometer measures temperature to the 10th degree and offers a more accurate reading of basal temperature than glass or mercury thermometers. The Accu-Beep feature of Nexcare Basal Digital Thermometers ensures fast, accurate readings and even confirms with a beep that you are using the thermometer correctly. It even has an auto memory feature that helps you keep track by showing the last temperature taken. Nexcare Basal Digital Thermometer can be used orally or rectally. A battery and storage case are included.• Accu-Beep feature ensures fast, accurate readings • Check basal temperature to understand your fertility cycle • Auto memory shows last temperature taken • Mercury free • Oral or rectal use • Clinically proven to match glass thermometer accuracy • Continuous beep confirms you are using the thermometer correctly • Signals when complete • As fast as one-minute temperature read-out • Automatic shut-off • Battery and storage case included

Nexcare Basal Digital Thermometer 1 ea (Pack of 2)

4. Nexcare Basal Digital Thermometer 1 ea (Pack of 3)

Pack of 3 for the UPC: 051131197206 Your basal temperature is your body’s temperature when you are at rest. Measuring basal temperature helps in determining fertility cycles, among other things. The Nexcare Basal Digital Thermometer measures temperature to the 10th degree and offers a more accurate reading of basal temperature than glass or mercury thermometers. The Accu-Beep feature of Nexcare Basal Digital Thermometers ensures fast, accurate readings and even confirms with a beep that you are using the thermometer correctly. It even has an auto memory feature that helps you keep track by showing the last temperature taken. Nexcare Basal Digital Thermometer can be used orally or rectally. A battery and storage case are included.• Accu-Beep feature ensures fast, accurate readings • Check basal temperature to understand your fertility cycle • Auto memory shows last temperature taken • Mercury free • Oral or rectal use • Clinically proven to match glass thermometer accuracy • Continuous beep confirms you are using the thermometer correctly • Signals when complete • As fast as one-minute temperature read-out • Automatic shut-off • Battery and storage case included

Nexcare Basal Digital Thermometer 1 ea (Pack of 3)

5. Digital Basal Thermometer, Oral Thermometer with Backlit & LCD, 1/100th Degree Thermometer with APP(iOS & Android) for Nature Family Planning and Fever by Femometer

Femometer Vinca II is a smart Basal Body Temperature (BBT) thermometer that automatically syncs data to the mobile app, tracks menstrual cycle, predicts ovulation day and alerts important changes for your body. Femometer Vinca II measures your temperature with a precision of up to 0.09?( 0.01?C) and can be completed in as fast as 30 seconds. The complimentary app is compatible with Android and iOS devices. Femometer helps you get pregnant faster, avoid pregnancy naturally, monitors early-stage pregnancy symptoms and track period. Femometer simplifies the complexity of the basal body temperature measurement. Note: When you see LO. on the thermometer display. Please don't worry. It is not mean the battery low. The LO. is normal, which means the ambient temperature below 32 degrees Celsius. If the battery is dead, there will be a Pop-ups tell you the battery low in the app when you open femometer app.

About this item Automate Data Recording & BBT Charting - Your BBT measurement will be automatically transmitted to the App via Bluetooth. The app will generate the BBT chart for you using your measured data and analyze them to find your fertile window & ovulation. No manual work needed. Accurate & Fast Measurement - The measurement precision is up to 0.09 Fahrenheit(0.05 Celsius) to catch even the smallest BBT fluctuation. Measurement can be finished in as short as 30 secs. Note: The LO. means the ambient temperature below 32 degrees Celsius. Not the battery low. So Easy to Use - There is no button & switch but an LCD screen for you to read the measurement. Simply pull the lid up or down to switch it on or off. Take the 1st minute of your morning each day before you get out of the bed to get an accurate measurement. Discreet Design for Women - It is designed like a lipstick so that no one else will be easy to notice your little secret trying for a baby or planning for natural contraception. It has an alarm that is soft and has adjustable volume, so you don't have to worry about waking up the "sleeping beauty" right beside you. Femometer Vinca II Features: Soft Yellow Backlit The Femometer Vinca II with a reading screen and backlight that easy to read in the early morning. Switchable Fahrenheit/Celsius Link the Vinca II thermometer to the APP, you can switch between Fahrenheit and Celsius on your Femometer APP. Alarm Set an alarm on your Femometer APP to wake up and take your temperature each morning. Adjustable Volume The sound is soft and its volume is adjustable on your Femometer APP. Femometer APP Features: Intelligently Calculated Conception Rate Our algorithm will calculate your daily conception rate in the app, by integrating all your key symptom data, to help you better plan sexual activities for getting pregnant or natural family planning. Auto-generated BBT Curve The app draws the BBT curve for you to locate your ovulation day, fertile days, safe zone and period accurately. LH Ovulation Test Strips Identification The app could identify & analyze your ovulation tests results, providing guidance over ovulation tests strips usage to better pinpoint your ovulation. Your Personal Cycle Calendar & Record Use the app to track important physiological symptoms like cervical fluid, LH & BBT changes, and activities, including sex, sleep, emotion, weight, medication..., on a daily basis to improve the accuracy of your pregnancy prediction. Steps of Using Download APP Download Femometer app from Google Play or Apple store and create your account. Turn on Bluetooth to pair Femometer app to your smartphone. Measure Your BBT Uncap Femometer Vinca II and hold it under your tongue for 1-3 minutes until you hear 3 beeps, indicating the measurement is completed. Read the Data Your BBT will show on the LCD screen and the data will be sent via Bluetooth to the APP automatically and mapped into the BBT chart. Both data & personalized insights are available for you to review.

6. Digital Basal Thermometer, 1/100th Degree High-Precision Oral Thermometer with Memory Recall, Accurate Digital Thermometer for Fever and Natural Family Planning by Femometer

Femometer Digital Basal Thermometer with LCD Screen. This thermometer helps you test your basal body temperature in the early morning. Combine with Femometer app to record, track, and chart your BBT. And it intelligently analyzes your BBT and calculates pregnancy rate of every day, thus helps with pregnancy, early-stage pregnancy monitor and manage your menstrual cycle better.

Power Source Battery PoweredNumber of Batteries 1 LR41 batteries required. (included)Maximum Storage Temperature 131 Degrees FahrenheitUpper Temperature Rating 109 Degrees FahrenheitLower Temperature Rating 90 Degrees Fahrenheit

7. Generation Guard Basal Thermometer

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8. Basal Digital Thermometer - Up & Up, White

New-Basal Digital Thermometer - Up & Up, White

Basal Digital Thermometer - Up & Up, White

9. Microlife Digital Basal Thermometer for Fertility Tracking Ovulation, TTC Fertility with 1/100th Accurate Reads

Basal Thermometer for Natural Family Planning. This Basal Thermometer is a quality medical device used to aid in the monitoring and tracking of basal body temperature. With proper care this advanced thermometer will provide years of accurate measurements. Multifunctional Thermometer ? This highly accurate (1/100th Degree) thermometer doubles as a basal thermometer to aide in the family planning process or as a more reliable general thermometer to measure fever.

CONVENIENT: Designed for fertility tracking FAST & ACCURATE: 60 Second Reading, to 1/100th degree EASY TO USE: beeps when reading is complete, reads in Fahrenheit or Celsius Includes: 6-month ovulation Charts, Storage Case, and 5 Probe Covers Multifunctional Thermometer – This highly accurate (1/100th Degree) thermometer doubles as a basal thermometer to aide in the family planning process or as a more reliable general thermometer to measure fever.

10. Basal Digital Themometer [ Sold by the Each, Quantity per Each : 1 EA, Category : Self Care Products, Product Class : Self Care Products ]

Basal Digital Themometer [ Sold by the Each, Quantity per Each : 1 EA, Category : Self Care Products, Product Class : Self Care Products ]

Basal Digital Themometer [ Sold by the Each, Quantity per Each : 1 EA, Category : Self Care Products, Product Class : Self Care Products ]