The depth of a kitchen sink base cabinet can vary depending on the manufacturer and the specific cabinet model. However, the standard depth for a kitchen sink base cabinet is typically around 24 inches (61 cm).
This depth is designed to accommodate most standard kitchen sinks, which are also commonly around 24 inches wide. The depth ensures that there is enough space to fit the sink and leave some room for plumbing and other necessary installations.
Keep in mind that some sink base cabinets may have a slight variation in depth due to the specific design or features. Additionally, custom or specialty cabinets might have different depths based on individual requirements or preferences.
When selecting a sink base cabinet, it's essential to consider the dimensions of the sink you plan to install and ensure that it fits comfortably within the cabinet's interior dimensions, including accounting for any space needed for faucet and plumbing connections.