Compare calculators

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

Advertising ROI Calculator

Measure whether your ad campaigns are actually making money after product costs. Use this monthly to compare performance across Google, Meta, TikTok, or any paid channel.

Monthly Ad Spend ($)

Conversions Generated (sales)

Average Order Value ($)

Profit Margin (%)

Fill in the required fields to see your result.

Ecommerce

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.

Key differences

	Advertising ROI Calculator	Amazon FBA Fees Calculator
Category	Ecommerce	Ecommerce
Inputs required	4	3
Result	ROI (%)	Estimated FBA Fees ($)
What it does	Measure whether your ad campaigns are actually making money after product costs. Use this monthly to compare performance across Google, Meta, TikTok, or any paid channel.	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.