Pork loin internal temp is key to making a delicious, safe, and juicy meal. Cooking pork loin can feel tricky, but knowing the right temperature makes it super easy. In this guide, I’ll share everything you need to know about pork loin internal temp, including tips, tricks, and simple steps to get it perfect every time. Whether you’re a beginner or a pro in the kitchen, this article will help you cook pork loin like a champ!
Why Pork Loin Internal Temp Matters
First, let’s talk about why the internal temperature of pork loin is so important. The internal temp tells you if the pork is cooked enough to be safe to eat. Plus, it helps you avoid overcooking, which can make the meat dry and tough. Therefore, checking the pork loin internal temp ensures you get a juicy, tender result.
Moreover, pork needs to reach a certain temperature to kill any harmful bacteria, like Trichinella spiralis. According to the USDA, pork is safe to eat when it reaches the right internal temp. So, let’s dive into the details!
What Is the Safe Pork Loin Internal Temp?
The safe pork loin internal temp is 145°F (63°C). This is the temperature recommended by the USDA for whole cuts of pork, like pork loin. At this temp, the pork is safe to eat and stays juicy. However, you can cook it a bit higher if you prefer a more well-done texture.
Here’s a quick breakdown:
- 145°F (63°C): Medium-rare, slightly pink, juicy, and safe.
- 150°F–155°F (66°C–68°C): Medium, less pink, still tender.
- 160°F (71°C): Well-done, no pink, but may be less juicy.
After reaching the right temp, let the pork rest for 3 minutes before cutting. This helps the juices stay inside the meat. As a result, you get a tastier pork loin!
How to Check Pork Loin Internal Temp
Now that you know the safe pork loin internal temp, let’s talk about how to check it. Using a meat thermometer is the best way. Here’s a simple step-by-step guide:
- Get a meat thermometer: A digital instant-read thermometer works great. They’re easy to use and give quick results.
- Insert the thermometer: Push the probe into the thickest part of the pork loin. Avoid touching bones or fat, as they can give a wrong reading.
- Wait for the reading: For digital thermometers, this takes just a few seconds.
- Check the temp: Make sure it’s at least 145°F (63°C).
- Rest the meat: Let the pork sit for 3 minutes before slicing.
By following these steps, you’ll always know if your pork loin is cooked perfectly. Plus, it’s super easy!
Tools for Measuring Pork Loin Internal Temp
To measure the pork loin, you need the right tools. Here are some options:
- Instant-Read Thermometer: Fast and accurate. A popular choice is the ThermoPro TP19. It’s affordable and easy to use.
- Probe Thermometer: Great for ovens. You leave the probe in the meat while it cooks, and it shows the temp on a display outside.
- Infrared Thermometer: These measure surface temp, not internal temp, so they’re not ideal for pork loin.
For beginners, an instant-read thermometer is the best choice. It’s simple and gets the job done. Therefore, invest in a good one for perfect pork every time!
Tips for Cooking Pork Loin to the Right Internal Temp
Cooking pork loin to the perfect pork loin internal temp takes a little practice. However, these tips will make it easier:
Season Well
Before cooking, rub the pork loin with salt, pepper, and your favorite spices. For example, garlic powder, rosemary, or paprika add great flavor. As a result, your pork will taste amazing.
Don’t Overcook
Pork loin can dry out if cooked too long. Therefore, check the temp early and often. Pull it out of the oven when it’s 5°F below your target temp, as it will keep cooking while resting.
Use a Pan or Oven
You can cook pork loin in the oven, on the stove, or even on a grill. For oven cooking, preheat to 375°F (190°C) and roast for about 20–25 minutes per pound. Check the pork loin internal temp to know when it’s done.
Let It Rest
After cooking, let the pork rest for 3–5 minutes. This locks in the juices, so your pork stays moist and tender.
By following these tips, you’ll get a juicy, flavorful pork loin every time. Plus, it’s easier than it sounds!
Common Mistakes When Checking Pork Loin Internal Temp
Even with the right pork loin internal temp, mistakes can happen. Here are some common ones to avoid:
- Not Using a Thermometer: Guessing if the pork is done can lead to undercooking or overcooking. Always use a thermometer.
- Checking the Wrong Spot: If you hit a bone or fat, the temp reading will be wrong. Aim for the thickest part of the meat.
- Cutting Too Soon: If you slice the pork right after cooking, the juices will run out. Therefore, let it rest first.
- Cooking at Too High Heat: High heat can dry out the pork. For example, roasting at 400°F (204°C) might cook the outside too fast.
Avoid these mistakes, and your pork loin will turn out perfect. As a result, you’ll impress everyone at the table!
Pork Loin vs. Pork Tenderloin: What’s the Difference?
Sometimes, people mix up pork loin and pork tenderloin. However, they’re different cuts, and this affects the pork loin internal temp you aim for.
- Pork Loin: A larger cut, usually 2–5 pounds. It’s wider and takes longer to cook. The safe internal temp is 145°F.
- Pork Tenderloin: Smaller, about 1–2 pounds. It’s long and thin, cooking faster. The safe internal temp is also 145°F, but it reaches it quicker.
Because of these differences, always check which cut you have. For example, a pork tenderloin might be done in 20 minutes, while a pork loin takes 45–60 minutes. Check the pork loin internal temp to be sure!
How to Cook Pork Loin in Different Ways
There are many ways to cook pork loin, and the pork loin stays the same: 145°F. Here are some popular methods:
Oven-Roasted Pork Loin
- Preheat the oven to 375°F (190°C).
- Season the pork with salt, pepper, and spices.
- Place it on a baking sheet or in a roasting pan.
- Roast for 20–25 minutes per pound, checking the pork loin internal temp.
- Let it rest for 3 minutes before slicing.
Grilled Pork Loin
- Preheat the grill to medium heat (about 350°F or 177°C).
- Season the pork loin.
- Grill for 20–30 minutes, turning every 5 minutes.
- Check the pork loin to ensure it’s 145°F.
- Rest for 3 minutes.
Slow Cooker Pork Loin
- Season the pork and place it in a slow cooker.
- Add ½ cup of broth or water.
- Cook on low for 6–8 hours or high for 3–4 hours.
- Check the pork loin before serving.
Each method gives a different flavor, but the internal temp stays the same. Therefore, pick the one you like best!
Pairing Pork Loin with Sides
Once your pork loin reaches the perfect pork loin, it’s time to serve it with yummy sides. Here are some ideas:
- Mashed Potatoes: Creamy and comforting, they go great with pork.
- Green Beans: Steam or sauté them for a fresh, crunchy side.
- Applesauce: The sweet-tart flavor pairs perfectly with pork.
- Roasted Veggies: Carrots, zucchini, or Brussels sprouts add color and taste.
These sides make your meal complete. Plus, they’re easy to make, so you can focus on getting the pork loin internal temp right!

FAQs
What is the safe internal temp for pork loin?
The safe pork loin is 145°F (63°C), according to the USDA. Let it rest for 3 minutes before cutting.
Can pork loin be pink at 145°F?
Yes, pork loin can be slightly pink at 145°F. It’s safe to eat and will be juicy and tender.
How long does it take to cook pork loin?
It depends on the size and cooking method. For example, at 375°F, it takes about 20–25 minutes per pound. Always check the pork loin.
Do I need a meat thermometer for pork loin?
Yes, a meat thermometer is the best way to check the pork loin. It ensures the pork is safe and not overcooked.
What happens if I overcook pork loin?
Overcooking can make pork loin dry and tough. Therefore, stick to 145°F–155°F for the best texture.
Conclusion
Cooking pork loin is easy when you know the right pork loin internal temp. Aim for 145°F (63°C) for safe, juicy pork. Use a meat thermometer, season well, and let the meat rest for the best results. Whether you roast, grill, or slow-cook, checking the internal temp is the secret to success. Now, you’re ready to make a delicious pork loin meal that everyone will love. So, grab your thermometer and start cooking!

