Skip to content
Free Tools — No Signup Required

Free Shopify Ecommerce Calculators & Tools

15 free tools for Shopify merchants: find revenue leaks, score your cart drawer, model upsells, compare offers, and calculate AOV, ROAS, CLV, CAC, profit margin, cart abandonment, conversion rate, break-even point, and more. All instant, all free — no account needed.

Revenue & AOV
Cart & Conversion
Offers & Profitability
Store Utilities

Which Shopify calculator should you use?

Choose the tool that matches the decision you need to make. If you are unsure where revenue is leaking, start with the full-store diagnostic and move to the focused calculator it recommends.

Your question Best free tool
Where is my store losing revenue?Shopify Revenue Leak Calculator
How much could upsells add each month?Upsell Revenue Calculator
Is my discount or free gift profitable?Free Gift vs Discount Calculator
What free-shipping threshold protects margin?Free Shipping Threshold Calculator
Are my ad campaigns actually profitable?ROAS Calculator

Why Shopify merchants use these calculators

Know your numbers before making decisions

Before investing in ads, apps, or promotions, you need to know your baseline AOV, conversion rate, and CLV. These calculators give you the clarity to make confident, data-backed decisions.

Model the impact before you commit

Want to know if offering free shipping at $80 is profitable? Or what a 1% conversion rate improvement means in dollars? These tools let you model outcomes before you test — saving time and money.

No spreadsheets, no signup

All calculations are instant, in-browser, and free — no email required, no data shared. Enter your numbers and get answers in seconds.

Built for Shopify stores specifically

Benchmarks, defaults, and tips are calibrated for Shopify merchants — not generic ecommerce averages. Shopify-specific nuances like session-based conversion rate reporting are explained inline.

Turn the calculation into a growth plan

A calculator gives you the baseline. These practical guides explain what to change next and which metric to watch after the change.

Shopify calculator FAQs

Which Shopify calculator should I use first?

Start with the Shopify Revenue Leak Calculator for a broad store-health estimate. Use the AOV Calculator for basket size, the Cart Abandonment Calculator for checkout loss, the Profit Margin Calculator for product economics, and the ROAS Calculator for paid-ad performance.

Are these Shopify tools free?

Yes. All 15 CartyLabs ecommerce calculators and tools are free to use in your browser, with no signup required.

Does CartyLabs store the numbers I enter?

No. Calculations run in your browser. The tools do not require an account or send the values you enter to CartyLabs.

Can I use these calculators for a non-Shopify store?

Yes. The formulas work for most ecommerce stores, although the defaults, examples, and implementation guidance are written for Shopify merchants.

Want to lift your AOV and reduce cart abandonment?

Cartylabs gives Shopify merchants a smart cart drawer, AI upsells, shipping protection, and post-purchase offers — free to install, no credit card needed.

Install the Cartylabs App Free