Single oven ranges contain one oven and are the go-to choice for most when shopping for a new range. Double oven ranges have two ovens which provide the ability to cook multiple items at one time using different temperature settings. It's important to understand your space and lifestyle requirements since the capacity varies for each range type. Within Single Oven Electric Ranges, the capacity of the oven ranges from 1.6 cubic feet to 7.1 cubic feet. Check out one of our popular options, the 30 in. 5.3 cu. ft. Electric Range with Self-Cleaning Convection Oven in Stainless Steel.