Slow cooking requires patience and careful observation to ensure the meat is cooked thoroughly and tender. Slow cooking makes the meat tender and juicy while infusing it with rich, flavorful spices and seasonings.
It can be difficult to ascertain the time required to cook a pork roast in a slow cooker, especially if you’re new to slow cooking. Many people wonder how long it takes to cook a pork roast in a slow cooker to achieve the perfect texture and flavor.
In this article, we will explore the factors that affect cooking time and provide some tips to help you cook the perfect pork roast in your slow cooker. Whether you are a seasoned cook or a novice, this guide will provide the information you need to make a delicious and succulent pork roast.
How Long To Cook Pork Roast In A Slow Cooker?
The time duration and temperature required to cook the pork roast to your desired level of doneness can vary. Here are some general guidelines for cooking a pork roast in a slow cooker to different levels of doneness:
- Rare: A rare pork roast will have a pinkish-red center and should be cooked to an internal temperature of 145°F. This will take approximately 3-4 hours on high or 6-8 hours on low.
- Medium Rare: For a medium rare pork roast, which will have a slightly pink center, the internal temperature should reach 150°F. This will take approximately 4-5 hours on high or 8-10 hours on low.
- Medium: A medium pork roast should be cooked to an internal temperature of 160°F. This will take approximately 5-6 hours on high or 10-12 hours on low.
- Medium Well: For a medium-well pork roast, which will have just a hint of pink in the center, the internal temperature should reach 165°F. This will take approximately 6-7 hours on high or 12-14 hours on low.
- Well-Done: A well-done pork roast should be cooked to an internal temperature of 170°F. This will take approximately 7-8 hours on high or 14-16 hours on low.
How Long Should I Cook Pork Roast In A Slow Cooker
The cooking time for a pork roast in a slow cooker varies depending on several factors, such as the size of the pork roast, the recipe being used, the desired level of doneness, the number of people being served, and dietary restrictions.

Here are some important factors to consider when determining how long to cook a pork roast in a slow cooker:
1. The Size of The Pork Roast
The size of the pork roast is one of the most important factors to consider when determining cooking time. A larger roast will take longer to cook than a smaller roast.
As a general rule of thumb, plan on cooking the pork roast for 1 hour per pound of meat. For example, a 3-pound pork roast will take approximately 3 hours to cook in a slow cooker.
2. Recipe
The recipe being used can also impact the cooking time. Some recipes may call for additional ingredients or liquids that can impact the cooking time. Always follow the recipe instructions for cooking times and adjust as necessary based on the size of the pork roast.
3. Desired Level of Doneness
The desired level of doneness is another important factor to consider when determining cooking time. The cooking time and temperature will vary depending on whether you want a rare, medium-rare, medium, medium-well, or well-done pork roast.
As a general rule of thumb, plan on cooking the pork roast until it reaches an internal temperature of 145°F (62°C) for rare, 150°F (66°C) for medium-rare, 155°F (68°C) for medium, 160°F (71°C) for medium-well, or 165°F (74°C) for well-done.
4. Family Size
The number of people being served will also impact the cooking time. A larger family will require a larger pork roast and a longer cooking time. If serving a smaller family or meal, consider using a smaller pork roast to reduce cooking time.
5. Dietary Restrictions
Dietary restrictions such as low sodium, low fat, or low carb diets can also impact cooking time. Always follow recipe instructions and adjust cooking time as necessary based on dietary restrictions.
Cooking Time For The Perfect Slow Cooker Cooked Pork Roast
Cooking times for pork roast vary depending on the size of the roast and the specific cut of meat being used. To help you achieve the perfect slow-cooked pork roast, we have compiled a table of various pork roast names coupled with the cooking time, cooking temperature, and internal temperature of the pork roast.
Pork Roast Name | Cooking Time | Cooking Temperature | Internal Temperature |
Pork Loin Roast | 4-5 hours | Low (200°F – 225°F) | 145°F (62°C) |
Pork Shoulder | 8-10 hours | Low (200°F – 225°F) | 190°F (88°C) |
Pork Tenderloin | 2-3 hours | Low (200°F – 225°F) | 145°F (62°C) |
Pork Sirloin Roast | 4-5 hours | Low (200°F – 225°F) | 145°F (62°C) |
Pork Rib Roast | 6-7 hours | Low (200°F – 225°F) | 145°F (62°C) |
Pork Leg Roast | 7-8 hours | Low (200°F – 225°F) | 145°F (62°C) |
Pork Belly | 8-9 hours | Low (200°F – 225°F) | 190°F (88°C) |
Pork Crown Roast | 5-6 hours | Low (200°F – 225°F) | 145°F (62°C) |
Pork Neck Roast | 7-8 hours | Low (200°F – 225°F) | 190°F (88°C) |
Pork Butt Roast | 8-10 hours | Low (200°F – 225°F) | 190°F (88°C) |
How Long To Slow Cooker Cook Pork Roast At 200 to 250
When slow-cooking a pork roast, it is generally recommended to cook it on low for a longer period to ensure that the meat is tender and fully cooked. A temperature range of 200°F to 250°F is ideal for slow-cooking pork roast.
At this temperature range, a pork roast weighing around 3-4 pounds can take anywhere from 6 to 8 hours to cook on low. If you’re cooking a smaller roast or a larger one, you may need to adjust the cooking time accordingly.
It is always best to check the internal temperature of the pork roast using a meat thermometer to ensure that it has reached a safe temperature of 145°F (62°C) for medium rare or 160°F (71°C) for medium. When slow-cooking pork roast at a higher temperature of 250°F, the cooking time can be reduced by about an hour or so compared to cooking it at 200°F.

Doneness Level For The Perfect Pork Roast Cooked In A Slow Cooker
When cooking pork roast in a slow cooker, it is important to understand the different doneness levels to achieve the perfect cook. The table below shows the appropriate doneness levels for different types of pork roast cooked in a slow cooker, along with their recommended cooking temperature and internal temperature:
Pork Roast Type | Doneness Level | Cooking Temperature | Internal Temperature |
Pork Loin Roast | Medium Rare | 200-225°F | 145°F (62°C) |
Pork Loin Roast | Medium | 200-225°F | 160°F (71°C) |
Pork Loin Roast | Well Done | 200-225°F | 170°F (77°C) |
Pork Tenderloin | Medium Rare | 200-225°F | 145°F (62°C) |
Pork Tenderloin | Medium | 200-225°F | 160°F (71°C) |
Pork Tenderloin | Well Done | 200-225°F | 170°F (77°C) |
Pork Sirloin Roast | Medium Rare | 200-225°F | 145°F (62°C) |
Pork Sirloin Roast | Medium | 200-225°F | 160°F (71°C) |
Slow Cooker Cooked Pork Roast Recipe: How to Cook Pork Roast in A Slow Cooker
Follow this simple recipe when cooking pork roast using a slow cooker:
Ingredients:
- 3-4 pound pork roast (loin, shoulder, or sirloin).
- 1 onion, chopped.
- 3 cloves garlic, minced.
- 1 cup chicken broth or water.
- 2 tablespoons olive oil.
- 1 tablespoon salt.
- 1 teaspoon black pepper.
- 1 teaspoon paprika.
- 1 teaspoon dried thyme.
- 1 teaspoon dried rosemary.
Instructions:
- Heat the olive oil in a large skillet over medium-high heat. Add the chopped onion and minced garlic, and sauté for 2-3 minutes until softened.
- Remove the onion and garlic from the skillet and transfer to the slow cooker.
- Season the pork roast with salt, pepper, paprika, thyme, and rosemary, rubbing the seasonings all over the surface of the meat.
- Place the seasoned pork roast in the slow cooker and spice it up with onion and garlic.
- Pour the chicken broth or water over the pork roast.
- Cover the slow cooker with a lid and cook on low for 6-8 hours, or until the internal temperature of the pork roast reaches 145°F (62°C) for medium rare or 160°F (71°C) for medium.
- Once cooked, remove the pork roast from the slow cooker and let it rest for 10 minutes before slicing and serving.
- For added flavor and texture, you can sear the pork roast in a hot skillet for a few minutes on each side before transferring it to the slow cooker. (OPTIONAL)
Video
If you want a practical guide about how to cook a pork roast in a slow cooker, watch this video below to see how it is done.
Frequently Asked Questions
How long does it take to cook a pork roast in a slow cooker?
The cooking time for a pork roast in a slow cooker varies depending on the size of the roast, the cooking temperature, and the desired doneness level. Typically, a 3-4 pound pork roast can be cooked on low for 6-8 hours or on high for 4-6 hours.
What is the ideal temperature to cook a pork roast in a slow cooker?
The ideal temperature range for cooking a pork roast in a slow cooker is between 200-225°F (93-107°C). Cooking at a low temperature helps to tenderize the meat and lock in the juices.
How can I tell when my pork roast is cooked?
The best way to tell when a pork roast is cooked is by using a meat thermometer. The internal temperature of the pork should be 145°F (62°C) for medium rare, 160°F (71°C) for medium, and 170°F (77°C) for well done.
Do I need to add liquid to the slow cooker when cooking a pork roast?
Yes, it is recommended to add liquid to the slow cooker when cooking a pork roast. This helps to prevent the meat from drying out and creates a flavorful cooking liquid that can be used for gravy or sauce.
Conclusion
Cooking a pork roast in a slow cooker is a convenient and easy way to make a delicious and tender meal. The cooking time for a pork roast in a slow cooker depends on the size of the roast, the cooking temperature, and the desired doneness level. It is important to use a meat thermometer to check the internal temperature of the pork to ensure it is cooked to the desired level.
Additionally, adding liquid to the slow cooker can help prevent the meat from drying out and create a flavorful cooking liquid for gravy or sauce. With these tips, you can cook the perfect pork roast in your slow cooker and impress your family and friends with a delicious and tender meal.