Weftify
Weftify
Free Whatnot fee calculator
Model commission, fixed processing, payment fees, and regional tax treatment by category so you can understand your real earnings before you price inventory or plan an offer.
Switch region and category to see how fixed processing plus percentage-based marketplace fees change your actual earnings.
Modeled Whatnot fee inputs
Commission: 8%. Processing: 2.9% + $0.30 per order. Commission applies up to $1,500.00; price above that cap is modeled at 0% commission.
Set the chart price range first, then inspect a specific price inside that range to understand how fixed and percentage fees affect the effective Whatnot fee rate.
Formula at selected price
Price
$26.00
Fees
$3.13
Earnings
$22.87
Effective fee rate: 12.05% = total Whatnot fees / price
Effective fee %
12.05%
Total Whatnot fees / price
Total Whatnot fees
$3.13
Commission plus processing
Commission fee
$2.08
Category-based marketplace fee
Processing fee
$1.05
Fixed fee plus payment processing
Chart controls
Effective fee rate by price
Tracks the total Whatnot fee burden as a percentage of order value across the selected price range.
Fee mix by price
Shows how each dollar of total Whatnot fees splits between commission and processing as price changes.