Fulfillment by Amazon (FBA) fee is a flat fee per unit, based on the size and weight of the product. Use the size tiers, to calculate the shipping weight and fee that will be applied.
The Revenue Calculator is a preview tool that allows you to compare revenue estimates for products based on the fulfillment channel used. Easily see which fees apply to each fulfillment option and enter sales volume estimates to calculate total proceeds, as well as per-unit sold estimates.