Thermapen® Classic Thermometer
Fast, accurate and durable food thermometer
See all colour options below
- Super fast three-second readings
- High accuracy of ±0.4 °C
- Reads between -49.9 and 299 °C
- IP65 water-resistant case
- Auto power-off
- Sleek folding design
- 2-year guarantee
- Free calibration certificate
The Thermapen Classic is the essential thermometer for perfectly cooked food. With fast and accurate readings, it’s ideal for everything from Sunday roasts and summer BBQs to cakes and confectionery.
Cook with Chef-Grade Precision
Thermapen thermometers are loved by professional chefs and home cooks worldwide for their high performance, sleek designs and quality construction. Choose Thermapen to take every cook to the next level with precise results that last.
A Thermometer you can trust
FAST & ACCURATE
3-second readings accurate to ±0.4 °C — free calibration certificate included
long battery life
1,500-hour battery life and 10-minute auto-power off to conserve energy
IP65 WATER-RESISTANT
Robust, water-resistant and built to last
2-YEAR GUARANTEE
Hassle-free repairs and replacements from a UK manufacturer
WIDE RANGE
Readings from -49.9 to 299 °C, ideal for confectionery, frying oil and more
How it Works is So Simple
OPEN THE PROBE
The sleek, buttonless design means you can simply open the probe to start measuring.
INSERT INTO FOOD
Place the probe into the centre of any food or liquid to read the temperature.
CLEAN & CLOSE
The thermometer will automatically power off after 10 minutes.
Designed
& Made in
Britain
Designed & Made in Britain
Made in Britain by leading temperature experts with over 40 years of experience, every Thermapen is made with quality at the heart. Its wide range of premium and versatile features make it perfect for any cooking challenge, from baking to BBQ.

Made by Temperature Experts
Thermapen thermometers have been designed using UK-leading expertise in thermometry. With over 40 years of temperature knowledge, we start creating every product with in-depth market research and finish by putting them together using only the highest quality parts. We even carry out 13 quality checks on every Thermapen before it's ready to ship to customers.

Certified Accuracy
Each Thermapen is calibrated by hand in our UK calibration laboratory and comes with a certificate to show this. With this certification, you can be sure your Thermapen will deliver high-accuracy readings that meet professional chef standards.
Why People Love Thermapen
This is one of the best purchases in my kitchen: thermapen is very fast to read temperature, it is very easy to clean and store. I used it to check flour, water and sourdough temperature when proofing. I was worried that poking the dough would make it collapse, nothing like that. This tool really helped me to achieve better results in the kitchen.
Aleksandra D.
John D.
Wow.. why did I wait so long in purchasing? I purchased 2 pens one for myself and one for a Christmas gift. Extremely satisfied. My Christmas Turkey was cooked to perfection. Clear readings and easy to use
Gillian H.
Not sure which Thermapen is for you?
Check out our Buyer's Guide to help you choose.
Join the team
Temperature community
Discover what it means to be a part of the Thermapen
#TeamTemperature community.
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Data sheet
Range: | -49.9 to 299.9°C (-58.0 to 572.0°F) |
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Operating Range: | -20 to +50 °C |
Resolution: | 0.1 °C/F or 1°C/F - user configurable |
Accuracy: | ±0.4°C (-49.9 to 199.9 °C) otherwise ±1 °C |
Battery: | 2 x 3 volt CR2032 lithium coin cell |
Battery Life: | 1500 hours |
Sensor Type: | K thermocouple |
Display: | 14.3mm LCD |
Dimensions: | 19 x 47 x 153mm |
Weight: | 97 grams |
Case Material: | ABS plastic which includes BioMaster product protection |
Country of Manufacture: | United Kingdom |
Guarantee: | two years |
Water / Dust Resistance: | water resistant - IP65 with the cover |
Measurement Scale: | Celsius / Fahrenheit |
Certification: | Free traceable calibration certificate |
Specific References
ean13 | 5024368151742 |
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Reviews (401)


This is the second one I have purchased and this time as a present they were really pleased and amazed at how accurate it was thanks
My Thermapen Classic is a quality product that has been carefully designed and manufactured. The ordering and delivery process was a breeze. The accompanying manual and calibration notes are evidence of the work and care that has gone into this product. Measuring temperature accurately is difficult and they appear to have mastered this. This approach differentiates it from the endless cheap Amazon offerings. Being designed, manufactured and supported in the uk I am hopeful of good support should I need it.
As someone who bakes and cooks regularly, investing in a reliable thermometer was essential, and the Thermapen has exceeded all expectations. Speed & Accuracy (5/5): The Thermapen delivers an accurate temperature reading in just 2 to 3 seconds. Whether you're checking the doneness of meats or ensuring sugar syrups hit the right stage, the speed makes a noticeable difference. The ±0.4°C accuracy is truly professional grade. I trust it completely, especially when precision is non-negotiable in recipes like chiffon cakes or Swiss meringue. Build Quality (5/5): It’s solidly built with a foldaway probe that feels sturdy and well engineered. The auto-rotating display is a thoughtful touch that makes it easy to read from any angle, and the backlight is perfect for evening cooking. Ease of Use (5/5): No buttons or complicated instructions, just unfold the probe and it’s ready. It also has an automatic sleep and wake function to save battery life. The design is intuitive, clean, and efficient. Versatility (5/5): From baking delicate cakes to roasting meats or tempering chocolate, the Thermapen is useful across the board. It’s water resistant too, so you don’t have to panic if it gets splashed. Is it worth the price? Yes. It’s on the pricier end for thermometers, but the quality, speed, and accuracy make it well worth the investment for anyone who takes cooking seriously. Verdict The Thermapen is the gold standard of kitchen thermometers. If precision matters to you, whether you're a home baker or a pro, this tool is indispensable.
Near instant readings that are accurate. Sure you may be able to find cheaper thermometers (in quality as well as price) but If you want the best then get a Thermapen! You will not be disappointed, they are worth every penny. Definitely tempted by the RFX for BBQ's this summer!
A quality item. Feels much more solid than the cheap ones I used to get from eBay that lasted for a few months.