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Free calculator / seven inputs

Great ROAS.
Now what?

Put your sales beside the costs they came with and see the number that can actually fund your next move. Deep breath.

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Revenue is the start.
Contribution is the answer.

01 / Give the costs a numberMonthly

Start here. Count everything.

$

Enter the media bill for one month, excluding tax.

x

Use gross attributed sales divided by your media spend.

$

Enter your average sale before anything comes back.

% of AOV

Include the landed goods cost on all orders, even returns.

$ / order

Add the cost to pick, pack and send each order.

% + $0.30

Use your percentage fee; this model adds $0.30 per order.

%

Enter the share of gross sales you expect to refund.

02 / The number after the noiseLive estimate
Reported revenue$60,000

True contribution margin

$10,288After returns, goods, fulfilment, fees and ads
18.6%of net revenue

Real profit per ad dollar

$0.69

Break-even ROAS

2.37xThe ROAS that covers these variable costs

At a 4.0x reported ROAS you are keeping $0.69 per ad dollar. You break even at 2.37x.

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Fig. 3 · The margin curve14-day window
Attributed revenueTotal costThe difference is yours
DaySep 21
Revenue$4,286
Total cost$3,420
What you keep$866
History to the left. Dashed projection to the right. Hover, touch, or use arrow keys to inspect.

Read the working

Plain arithmetic.
Useful discomfort.

Contribution = revenue - refunds - goods - shipping - fees - ads

Count every order.

Orders = spend x ROAS / average order value. Goods, shipping and payment fees apply to every order, including refunded orders. Recovered inventory and refunded fees are not assumed.

Find the floor.

Break-even ROAS = 1 / [1 - return rate - goods rate - fee rate - (shipping + $0.30) / average order value]. A zero or negative denominator means no finite ROAS can break even.

Keep the boundary.

This is contribution, before tax, fixed overhead and repeat purchases. The curve distributes your economics over an illustrative 14-day pattern; it predicts nothing. Refreshingly literal.

Make the next dollar count

Less second-guessing.
More left over.

Bring your costs into the conversation before you raise the budget again. Radical stuff.

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