The 1Zpresso K-Ultra has a bean capacity of approximately 35-40g. While the K-Ultra is designed for personal or small-scale usage, it delivers excellent results consistently. The compact size of the grinder ensures that it doesn't occupy much space on your countertop or in your travel bag, making it a convenient option for coffee lovers on the go. If you require a grinder with a larger bean capacity, consider the K-Max model, which is better suited for higher-volume grinding.