eCommerce Calculator Hub
Plan growth with clearer unit economics, ad math, and margin logic.
Seller Profit Calculator now includes 30 focused tools across 7 categories. Start with profit, then move into ROAS, CAC, LTV, Amazon fees, and operational scenarios.
Quick Start
Currency Profit Converter
Convert profit from currency A to currency B with custom FX rate.
Quick Start
Shopify Profit Calculator
Calculate net Shopify profit with revenue, product cost, ad spend, shipping, and payment fee inputs.
Quick Start
Discount Impact Calculator
Compare per-unit profit before and after discounts with optional payment fee impact.
Search Calculators
Search by calculator name, metric, or keyword to jump directly to the right tool.
Popular Calculator Entry Points
Explore full libraryProfit & Margin
Shopify Profit Calculator
Calculate net Shopify profit with revenue, product cost, ad spend, shipping, and payment fee inputs.
Finance & Utilities
Currency Profit Converter
Convert profit from currency A to currency B with custom FX rate.
Profit & Margin
Discount Impact Calculator
Compare per-unit profit before and after discounts with optional payment fee impact.
Ads & Profitability
Facebook Ads ROAS Calculator
Calculate ROAS from attributed revenue and ad spend.
Profit & Margin
Refund Impact Calculator
Estimate net refund loss when payment fees may not be refunded and other sunk costs already happened.
Explore by Category
Browse all calculatorsAds & Profitability
7 toolsAmazon
4 toolsCore eCommerce Metrics
2 toolsLifecycle & Growth
2 toolsOperations & Fulfillment
3 toolsFinance & Utilities
2 toolsFeatured Calculators
See full indexProfit & Margin
Shopify Profit Calculator
Calculate net Shopify profit with revenue, product cost, ad spend, shipping, and payment fee inputs.
Ads & Profitability
Break-even ROAS Calculator
Estimate your break-even ROAS and maximum ad spend per order after product, shipping, and fee costs.
Profit & Margin
Gross Margin Calculator
Calculate gross profit and gross margin percentage.
Profit & Margin
Net Profit Calculator
Calculate net profit and net margin with operating expenses, taxes, and interest.
Ads & Profitability
Facebook Ads ROAS Calculator
Calculate ROAS from attributed revenue and ad spend.
Ads & Profitability
Google Ads Break-even Calculator
Estimate break-even CPA and CPC from order economics and conversion rate.
Amazon
Amazon FBA Fee Calculator
Estimate custom Amazon FBA total fees with referral fee %, fulfillment fee, and storage fee inputs.
Amazon
Amazon PPC Profit Calculator
Calculate Amazon PPC campaign profit and ROAS.
Lifecycle & Growth
LTV Calculator
Estimate customer lifetime value in simplified and subscription modes.
Lifecycle & Growth
CAC Calculator
Calculate customer acquisition cost from sales and marketing spend.
Profit & Margin
Discount Impact Calculator
Compare per-unit profit before and after discounts with optional payment fee impact.
Finance & Utilities
Currency Profit Converter
Convert profit from currency A to currency B with custom FX rate.
Step 1
Pick the decision you need
Start from category level: margin, ads, Amazon, lifecycle, or operations.
Step 2
Enter scenario assumptions
Use real values from reports, then adjust one input at a time to evaluate sensitivity.
Step 3
Apply output to action
Translate results into pricing, budget, channel, or inventory decisions.
Publishing Standards
Transparent formulas
We show calculation logic directly so assumptions can be reviewed before decisions are made.
Operational relevance
Content is written for real eCommerce workflows across pricing, media, fulfillment, and lifecycle planning.
Policy clarity
Site usage, privacy handling, and legal terms are documented in dedicated policy pages.
Read About, Privacy Policy, and Terms of Service for full details.
FAQ
How many calculators are available right now?
The library currently includes 30 calculators across profit, ads, Amazon, lifecycle, operations, and finance workflows.
Are these tools only for Shopify sellers?
No. Shopify-focused tools are included, but most formulas work for general eCommerce operations with equivalent inputs.
Can I use these calculators for planning instead of historical reporting?
Yes. They are designed for scenario planning by changing one variable at a time, such as ad spend, fee rate, or margin assumptions.