What Garbage Disposal Size Do You Need?

So you’ve decided to purchase your very own garbage disposal unit. You recognize that it is a great alternative to using landfills, because it is more environmentally responsible. If you weren’t aware of this, garbage disposals let you grind food waste. It safely passes through your sink and enters the city sewage system. This is cleaner, safer, and more effective than piling the trash up and burying them. To put it simply, by purchasing your own disposer you are helping to conserve Mother Nature.

WasteAdditionally – having a fancy machine to grind up your food waste looks way cooler than creating mountains of stinky trash.

It is a handy tool, but of course it also has its limitations. For one, these models can only shred biodegradable objects, and will likely get stuck if you attempt to put in anything else.

This is why it’s important to be familiar with the way a machine or a tool works before purchasing one. So that you will be prepared for any situation. In this case, since you are willing and ready to buy a garbage disposal unit, you should know the answer to this question: what Garbage Disposal Size do you need?

Chances are you have no idea. To save you the trouble of having to figure it out yourself and do some trial and error, we have come up with a handy guide that will show you the answer. Let’s get to it:


What Size of Garbage Disposal Do You NeedThe general rule for garbage disposals is that its garbage disposal size is determined by its power. There are always a few exceptions, but you will commonly find small disposers with weaker motors as well as large disposers that have powerful motors.

So to determine the Garbage Disposal Size you should go for, you must first figure out how much grinding power you need. Answer this question: how many people are in your house, and how many of you will be using the garbage disposal? This is the key to your dilemma.

Garbage Disposal Units may come in different power levels. The most common are 1/3 horsepower (HP), 1/2 HP, 3/4 HP, 1 HP, and 2 HP. The weakest units come with a 1/3 HP motor, but are also the most affordable.

If you live in a condominium or an apartment unit, wherein only you and a partner are staying, you should consider having a 1/3 HP or a 1/2 HP model. This is because it is weaker and more affordable, meaning it is suitable for infrequent use. That said, if we were to choose between these two, we would select the 1/2 unit. It is a bit more powerful, meaning it is less likely to jam, but it doesn’t forget the cheapness factor.

For those who live in a standard home with more than two family members, the 3/4 HP disposers are the more common choice. It is stronger and more forgiving, should you accidentally drop a hard item down the sink. It is less likely to jam.

If you have a large family, or you think you’ll be using the garbage disposal on a regular basis, the Garbage Disposal Size 1 HP are for you. They are tougher, and can grind up the tougher chunks of food waste. They are a bit more expensive than the weaker ones.

And lastly, you may opt for a commercial garbage disposal unit with a motor that runs on more than 1 HP if you run a commercial establishment like a restaurant. These are the most powerful models out there, and are also the most expensive. They also tend to be the largest, so only get one of these if you really need it.

Look our garbage disposal reviews that will grind your food.


In conclusion about Garbage Disposal Size, you only really need to assess the amount of power that you think you will be using. You may also consider your budget. The bigger ones are more expensive than the little ones.

Also, take a long hard look at whether you have enough space under your sink for it. Lots of households use that area for additional storage.

The choice is always yours to make.