Know the real number before you launch.
From inventory, launch-period ad budget and photos/samples: your total upfront capital. No signup.
This calculator is free — no signup needed
10 September 2026 we made a correction to this calculator that changed its results: some fields accepted zero or above-100% values without warning.
New sellers only budget for inventory.
Buying inventory and forgetting launch ad spend and photos/samples makes the second order impossible.
Inventory-only thinking
Upfront cost is assumed to be just inventory — ad spend and content costs get forgotten.
Launch ads underestimated
With no organic rank yet, early ad costs run higher than steady-state.
Cash crunch
An underbudgeted launch leaves nothing to fund the reorder.
How it works?
Enter inventory
First order units and landed cost.
Enter ad plan
Daily budget and how many months you'll advertise.
See the total
Inventory + ads + other costs, in one number.