Free marketing tools that show the math.
Calculate the number, build the link or test the message before you spend another dollar. Every tool is free, browser-first and paired with a plain-English methodology page.
Free UTM Builder for GA4 Campaign Tracking
Create clean UTM-tagged campaign URLs for GA4, Google Ads, Meta, email and social campaigns. Free, private and no signup required.
Free ROAS Calculator: Revenue, Profit and Break-Even
Calculate ROAS, contribution profit, ACOS and break-even ROAS from your ad spend, revenue and variable costs. Free with no signup.
Break-Even ROAS Calculator | Free Ecommerce Ad Spend Tool
Calculate break-even ROAS and CPA for ecommerce campaigns using product cost, shipping, fees and ad spend. Free, instant and no signup.
Free Conversion Rate Calculator for Websites and Campaigns
Calculate conversion rate, average order value, revenue per visitor and customer acquisition cost from traffic, orders, revenue and ad spend.
Marketing Metrics Calculator: CTR, CPC, CPM, CPA and ROAS
Calculate CTR, CPC, CPM, conversion rate, CPA and ROAS from one campaign dataset. Free, instant and easy to audit.
Free Email Subject Line Tester and Mobile Preview
Check email subject-line length, readability, urgency and spam-risk patterns before you send. Free, private and no signup.
Free CAC and LTV Calculator: Payback and LTV:CAC Ratio
Calculate customer acquisition cost, revenue LTV, contribution LTV, payback orders and the LTV:CAC ratio from your own numbers.
Free AOV Calculator: Average Order Value and Revenue Uplift
Calculate average order value, items per order, average item price, conversion rate, revenue per visitor and the impact of an AOV lift.
Free CTR Calculator: Click-Through Rate, CPC and CPM
Calculate click-through rate from impressions and clicks, then see CPC and CPM when you add ad spend. Free and browser-first.
Free CPM Calculator: Cost per 1,000 Impressions
Calculate CPM, total ad spend, cost per impression and impressions from any campaign budget and delivery numbers.
Free CPC Calculator: Cost per Click, CTR and CPM
Calculate cost per click from ad spend and clicks, with CTR and CPM context when you add impressions. Free for Google, Meta and other campaigns.
Free MER Calculator: Marketing Efficiency Ratio for Ecommerce
Calculate blended MER, marketing spend as a share of revenue, contribution profit and break-even MER across every channel. Free and private.
Free Ecommerce Profit Calculator: Margin, ROI and Break-Even
Estimate ecommerce revenue, variable costs, net profit, profit margin, ROI and break-even orders from your own product and marketing inputs. Free with editable assumptions.
Free CPA Calculator: Cost Per Acquisition and Target Budget
Calculate cost per acquisition, required ad spend or conversions from a target CPA. Free, browser-first and useful for paid search, paid social and lead campaigns.
Free Contribution Margin Calculator for Ecommerce
Calculate contribution margin per order, margin percentage, profit after fixed costs and break-even orders after COGS, fulfillment, fees and ad spend.
Free Ecommerce Break-Even Calculator: Units, Revenue and Daily Target
Find the ecommerce units and revenue needed to cover fixed costs, then model a target profit, daily sales target and profit at planned volume.
Free Shopify Profit Calculator: Margin, Fees and Break-Even
Calculate Shopify store revenue, payment fees, product costs, profit margin and break-even orders with editable assumptions. Free and no signup.
Free Shopify Fee Calculator: Payments, Plans and Transaction Costs
Estimate Shopify subscription, payment processing and third-party transaction fees from monthly sales, orders and editable rates. Free calculator with transparent assumptions.
Private by default
The first tools calculate in your browser. Never paste customer or payment data into a public calculator.
Auditable formulas
Every calculator shows the formula, assumptions and the limitations behind the result.
Built for the next action
Use the result to choose a budget, fix a funnel or prepare a better campaign brief.