The working ledger / Free calculator

Know what your store actually keeps.

Put your own numbers in. Results update as you type, stay on this screen, and are never saved.

01 / Your inputs

Per-sale costs

Enter the GST-inclusive price if registered.
$0.30 means 30 cents per sale.
Optional overhead used for break-even and monthly profit.

Includes a price ÷ 11 GST estimate; input-tax credits are not deducted.

02 / Your estimate

What’s left

Enter a selling price and product cost to see your estimate.

Estimates only, not financial advice. This simplified calculation subtracts the full GST component of sales when enabled, but does not account for input-tax credits, income tax, refunds or other costs.

Based on your inputs

Tools that fit your numbers

Compare all tools

Some links are affiliate links. We may earn a commission at no extra cost to you. These are prompts to compare, not personalised advice.

store platform

Shopify

A useful platform or hosting option to compare while order volume is still modest.

All-in-one hosted store builder with checkout, payments and themes built in.

hosting

Hostinger (WooCommerce hosting)

A useful platform or hosting option to compare while order volume is still modest.

Budget-friendly managed WordPress hosting that suits a small WooCommerce store.