Free tools for ecommerce marketers.

What your marketing returns once the goods are paid for: ROI on gross profit, ROAS and break-even ROAS, next to what the ad platforms report.

Total store revenue over total marketing spend: the blended ROAS no platform can double count, your break-even line, and what first-time customers bring.

From order value, margin, shipping, fees and returns: the ROAS and cost per order where ads stop losing money, and what your target profit needs.

The gross profit a new customer brings, the months until they pay back their CAC, and the most you can pay to win one.

Email ROI on gross profit, not revenue, with revenue per email and what each email must earn to cover your platform and production costs.

What reminders win back from abandoned checkouts each month: orders, revenue and gross profit after any discount and the cost of sending them.

Plan a budget across up to three channels with the ROAS you expect at each new spend, and see the return every change implies.

Ad spend over conversions, then the check that matters: with your order value and margin, whether an order can pay for its own acquisition.

What a click costs, and with your orders, order value and margin, what a click is worth: the break-even CPC for your store.

The cost of 1,000 impressions, plus frequency and the cost of reaching 1,000 people when you add reach, and the CTR and CPC behind it.

Clicks per impression, the CPC and CPM behind it, and how many of the platform's clicks GA4 recorded as visits.

Orders over sessions and over users, revenue per session, and why your store, GA4 and your ad platforms each report a different rate.

Revenue over orders, what the average order leaves after the cost of goods, and how much an order must grow to pay for free shipping.

The share of customers who ordered more than once, and with your orders, how much of the order book repeat customers carry.

Add up what Meta, Google, TikTok and the rest say they sold, next to what your store took in. See how much is counted twice, and your real blended return.

Split the revenue an ad platform reports into clicks and views, and see click-only ROAS next to the reported ROAS.

Your platform's conversions under two click windows: how many came in the extra days, and the cost per conversion of each.

One journey, four attribution rules: what last click, first click, linear and position-based give the same touchpoint, and why none measures its effect.

Paid clicks that never became a session: how many, what share and what they cost, plus the reasons besides fraud a gap appears.

Your monthly spend and your own guess at the share that is misallocated, as money per month and per year. Arithmetic on your numbers, nothing more.

Switch a channel off for part of your audience or regions: how many days the test needs before the answer is real, and what it may cost.

Build a tagged link, or paste one, and see which GA4 default channel group it lands in, and why a link ends up as Unassigned.

From your GA4 numbers: the share of sessions and revenue that arrives with a UTM, and how much lands in Unassigned.

From setup cost, running cost and margin: the extra revenue server-side tracking must bring in to pay for itself. No uplift assumed.

What the weekly hours spent reconciling platform numbers cost a year, and how many hours a tool must save to cover its price.

The units and sales a month that cover your fixed costs, your profit at today's volume, and how far sales can fall first.

What one order leaves after product cost, shipping, payment fees and ad spend, and how many orders a month cover your fixed costs.

Gross profit, margin and markup from a cost and a price, side by side, and the price that gives the margin you want.

How many more sales a discount needs to make the same profit, and whether your own forecast gets there.

What returns cost each month in lost gross profit, handling and stock you cannot resell, and the share of your gross profit they take.

Plan, card processing and third-party transaction fees per month, per order and as a share of sales, from your own plan's rates.

When to reorder from daily sales, lead time and safety stock, how many days of stock you have left, and how much to order.

The buffer stock your service level needs, from how much your daily sales and lead times vary, plus the reorder point.

Your own fulfillment costs next to a 3PL's quote, per month and per order, and the order volume where the two cost the same.

How many months your cash lasts, the revenue that stops the burn, and whether your growth gets there before the cash runs out.

The cash a launch ties up, the sales that get it back, the profit if it sells out, and the break-even ROAS for launch ads.

1,085+ marketing attribution and analytics terms defined. From ROAS to causal inference.