Waist: 38" The tag size is 36, but hand measured these are 19" across, which is 38 around. This is typical for this style and brand. Inseam: 31" (The tag size is 32, but hand measured these are 31", which means these are meant to be worn straight with no break, or higher on the ankle). Measurements are taken while item is laid flat.
The size listed is the size on the tags. The measurements are the hand measurements taken. Any discrepancy could be due to variations in brand, fit, style, vanity sizing and more. Your best chance of finding an item that fits is to measure a similar item you already own and comparing the measurements.
Please read item specifics and confirm measurements before purchasing.