In general, dumpsters are sized by the yard. So, there are 10 yard, 20 yard, 30 yard, and 40 yard dumpsters. You can get pictures of each dumpster on the company website, and you can decide how much space you are going to need for your dumpster job. You definitely don’t want to get a dumpster that is too small. It is better to be safe than sorry. It is more expensive to get two smaller dumpsters than it is to get one larger dumpster. There are a lot of dumpster rental companies that are way too expensive for you to look into in the first place, but you need to find the dumpster rental company that suits you best, and then you need to choose sizes from there. You don’t want to go in the opposite direction, and get stuck with a dumpster that is too small, at a company whose price is too high. You want to make sure that the dumpster rental company is going to be the best match for you, and then you need to select the size based on the estimate of your task. You can call the dumpster company and ask them what size dumpster you are going to need based on your project requirements. You need to make sure that you get the right dumpster size because you might fail in your home clean-up task if you don’t have the right dumpster rental on your side as well.