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Both calculators run independently — change the inputs on either side to compare results.

Amazon FBA Fees Calculator

Estimate Amazon FBA fulfillment fees based on your product's weight, package volume, and base rate tier. Helps sellers protect margins before listing a new product.

Product Weight (lbs)

Package Volume (cubic inches)

Base FBA Rate ($)

Fill in the required fields to see your result.

Ecommerce

Marketplace Fees Calculator

Calculate the total fees charged when selling on an online marketplace, combining the percentage-based referral fee with any fixed closing fee. Essential for sellers pricing products to protect their profit margins.

Sale Price ($)

Referral Fee (%)

Closing Fee ($)

Fill in the required fields to see your result.

Key differences

	Amazon FBA Fees Calculator	Marketplace Fees Calculator
Category	Ecommerce	Ecommerce
Inputs required	3	3
Result	Estimated FBA Fees ($)	Total Marketplace Fees ($)
What it does	Estimate Amazon FBA fulfillment fees based on your product's weight, package volume, and base rate tier. Helps sellers protect margins before listing a new product.	Calculate the total fees charged when selling on an online marketplace, combining the percentage-based referral fee with any fixed closing fee. Essential for sellers pricing products to protect their profit margins.