Free seller tool
Whatnot shipping calculator
Postage you absorb is a price-floor problem. Estimate a planning rate, then add it before you open.
A postage number
Weight in, planning rate out.
Free shipping is a cost
The cushion belongs in the floor.
Not a label
Still print in Whatnot or your carrier.
Then Delivery
Pack from the CSV after the live.
Planning postage
- Estimated postage
- $6.20
- Weight band
- Up to 500 g
- Add to floor
- $6.20
Who pays
- Collected from buyer
- $0.00
- You cover
- $6.20
Not a carrier quote. Labels, surcharges, and Whatnot shipping tools win.
How to use it
The shipping guide explains habits. This tool is the number to drop into a floor.
- 1
Weigh a typical lot
One number beats guessing mid-show.
- 2
Pick the zone
Domestic and cross-border are not the same cushion.
- 3
If you pay postage, raise the floor
Free shipping is a promotion you fund.
- 4
Read the guide
Who pays, labels, and SLA sit on the shipping page.
Shipping calculator FAQ
Planning rates only.
Ship the queue after the live
WhatCopilot Delivery turns imported orders into a pack list. Labels still print in Whatnot or your carrier.
WhatCopilot is not affiliated with Whatnot. Postage figures are planning estimates. Verify labels on Whatnot Help Center.
Methodology last reviewed / Méthodologie revue : August 2026. Always verify official Whatnot Help Center rates.