ListCraft HQ

28 free tools · no signup

Calculators built for marketers & sellers

Fast, focused tools for the numbers you actually use — return on ad spend, acquisition cost, profit margins and more. Each one opens instantly, shows its formula, and lets you share results with a link.

  • Free forever
  • No signup
  • Mobile-friendly
  • Shareable results
Try the ROAS Calculator →

Advertising performance

Judge whether your paid media is actually working.

ROAS Calculator
See how much revenue every ad dollar brings back — and whether it actually turns a profit.
Amazon ACOS Calculator (Advertising Cost of Sale)
See what share of Amazon sales goes to ads — ACOS, ROAS, and break-even in one place.
Blended ROAS Calculator
See your real, whole-business return on ad spend — across every channel at once.
Marketing ROI Calculator
Measure the real profit your marketing returns — not just the revenue it touched.
Email Marketing ROI Calculator
Prove what your email program returns — often the highest-ROI channel in the stack.
CPM & CPC Calculator (Advertising — Cost Per Mille & Cost Per Click)
Turn ad spend, impressions, and clicks into CPM, CPC, and CTR instantly — built for media buyers, not medical or fitness tools.
CTR Calculator (Click-Through Rate)
Measure how often people click after seeing your ad — the first signal of creative fit.
Revenue Per Click (RPC) Calculator
Find how much revenue each click generates — the flip side of cost per click.
Target ROAS Calculator (Break-Even ROAS)
Find the minimum ROAS your ads must hit — based on your real margins.

Customers & acquisition

Understand what a customer costs and what they’re worth.

Conversion Rate Calculator
Measure how efficiently traffic turns into customers — the metric behind every funnel.
CAC Calculator (Customer Acquisition Cost)
Know exactly what it costs to win one customer — the foundation of healthy unit economics.
CAC Payback Period Calculator
Find how long it takes to earn back what you spent to acquire each customer.
Cost Per Lead (CPL) Calculator
Find what each lead costs you — the step before customer acquisition cost.
Lead-to-Customer Rate Calculator
Measure how many leads become paying customers — the bridge from CPL to CAC.
CPA Calculator (Cost Per Acquisition)
Measure what each conversion action costs — the metric ad platforms report daily.
LTV:CAC Ratio Calculator
Check the single ratio investors use to judge whether your growth is sustainable.
Customer Lifetime Value (LTV) Calculator
Estimate what one customer is worth over their full relationship with your business.
AOV Calculator (Average Order Value)
Find your average order value in seconds — the lever behind profitable ad spend and smarter marketing.
Customer Churn Rate Calculator
Measure how many customers you lose each month — the metric that sets your LTV ceiling.

Pricing, profit & planning

Set prices, protect margins, and plan spend with confidence.

Markup Calculator
Turn cost and price into markup, profit, and margin — and finally see the difference.
Sale Price Calculator (from Cost & Margin)
Set the right selling price from cost and the margin you need to hit.
Discount Calculator
Plan promos with the real numbers — sale price, savings, and margin left on the table.
Gross Profit Calculator
Find the profit left after product cost — before ads, rent, and overhead.
Contribution Margin Calculator
Find what each sale contributes toward fixed costs and profit — after variable costs only.
Profit Margin Calculator
See the share of every sale you actually keep as profit.
Break-Even Calculator
Find the exact point where your sales start turning a profit.
Marketing Budget Calculator
Turn a percentage-of-revenue rule into a concrete monthly marketing budget.
Net Profit Calculator
See what actually reaches your pocket after every cost — from revenue to net profit.

Compare metrics

Side-by-side breakdowns — when to use which metric, formulas compared, and real examples.

ROAS vs Marketing ROI — Which Metric Should You Use?
Side-by-side comparison with formulas and worked examples.
ACOS vs ROAS — Same Math, Different View
Side-by-side comparison with formulas and worked examples.
CAC vs CPL — Cost Per Customer vs Cost Per Lead
Side-by-side comparison with formulas and worked examples.

Guides

In-depth explainers — not just calculators. Formulas, examples, and how to apply them.

What Is ROAS? A Practical Guide for Marketers and Sellers
ROAS (return on ad spend) is revenue divided by ad spend. Learn the formula, break-even ROAS by margin, and when a high ROAS still loses money.
How to Set a Marketing Budget (Revenue-Based Method)
A practical revenue-based method: target revenue → allowable CAC → monthly ad budget, with a worked example and links to free calculators.
How to Calculate Customer Lifetime Value (LTV)
A practical guide to calculating customer lifetime value: the ecommerce method (AOV × frequency × lifespan) and the SaaS method (MRR ÷ churn), with worked examples and how to use LTV in the LTV:CAC ratio.
How to Calculate Customer Acquisition Cost (CAC)
A practical guide to calculating CAC: the simple formula, what belongs in “sales & marketing cost,” worked ecommerce and B2B examples, and how to read CAC next to LTV and payback.
How to Calculate Cost Per Lead (CPL)
A practical guide to cost per lead: the CPL formula, lead definitions that do not lie, worked examples, and how to turn CPL into real CAC with close rates.
How to Calculate Click-Through Rate (CTR)
A practical CTR guide: the formula, worked examples, why “good CTR” depends on channel, and how to use CTR with CPC, CPM, and conversion rate — not in isolation.
All guides →
Browse the full guide library.

Why ListCraft HQ

Most calculators are either generic one-size-fits-all tools, buried inside a SaaS funnel that wants your email, or stuffed into a slow blog post. ListCraft HQ is a focused suite built specifically for marketing and ecommerce work — every tool opens instantly, explains the formula in plain language, includes real industry benchmarks, and lets you share results with a link. No signup, no paywall, no retargeting pixels.

Each calculator is researched against current industry data and SERP intent — not auto-generated. Our editorial standards cover how we source benchmarks, write explanations, and keep tools accurate. Questions or corrections? We read every message.