22 calculators
Business and e-commerce calculators
Business calculators estimate platform fees, VAT, margins, and break-even ROAS for marketplaces and freelance work. Enter your rate card once and see what is left after PayPal, Stripe, Amazon, or Etsy take their cut.
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Commission Calculator
Calculate sales commission, deductions, and net profit for e-commerce and marketplace sellers
VAT / KDV Calculator
Calculate VAT (Value Added Tax / KDV) - add or remove VAT from prices
Inflation Adjusted Calculator
Calculate how inflation affects the purchasing power of your money over time
Freelance Rate Calculator
Calculate your ideal hourly and daily rate based on expenses, profit goals, and working hours
Customer Acquisition Cost (CAC) Calculator
Calculate the cost of acquiring a new customer based on marketing and sales spend
Social Media Ad Spend ROI Calculator
Calculate return on investment (ROI) and return on ad spend (ROAS) for social media advertising campaigns on Meta, Google, TikTok, and other platforms.
SaaS Churn Rate Calculator
Calculate customer churn rate, retention rate, and annual projections for subscription-based businesses. Track customer loss and retention metrics.
PayPal Fee Calculator
Estimate PayPal fees, take-home amount, or the amount you should charge.
Stripe Fee Calculator
Calculate Stripe processing fees, net payout, or the amount to charge.
Square Fee Calculator
Calculate Square payment fees and the net amount from a transaction.
YouTube RPM Calculator
Estimate YouTube revenue from views and RPM.
Fiverr Fee Calculator
Estimate Fiverr seller earnings after platform fees and extra costs.
Upwork Fee Calculator
Calculate Upwork freelancer fees, take-home pay, and required client rate.
Amazon FBA Profit Calculator
Estimate Amazon fees, net profit, margin, and ROI for an FBA product.
Etsy Fee & Profit Calculator
See listing, transaction, payment, and ad fees plus profit and margin.
eBay Fee & Profit Calculator
Estimate eBay selling fees, costs, profit, margin, and break-even price.
Shopify Profit Margin Calculator
Estimate order profit after product, shipping, payment, ad, and app costs.
Recipe Cost Calculator
Estimate batch cost, cost per serving, and a target menu price.
Shopify Break-Even ROAS Calculator
Find break-even ROAS, allowable ad cost, and contribution margin.
Patreon Earnings Calculator
Estimate Patreon platform and payment fees from monthly membership revenue.
Shipping Dimensional Weight Calculator
Compare actual and dimensional package weight for common carrier divisors.
Pallet Loading Calculator
Estimate cartons per layer, total cartons, and gross weight.
Related guides
Best fee calculators before you publish a price
Three cuts to run before the listing goes live: PayPal, Stripe, and the marketplace on top.
Best PayPal fee calculator before you invoice
See take-home and the list price that survives 2.9% + $0.30.
Stripe vs PayPal fees on the same $100
Same percent and fixed fee can still differ if one adds FX or a payout delay. Compare take-home, not the logo.
How much to charge so marketplace fees do not eat the sale
Platform percent plus card fee is not one percent. Reverse both before you hit publish.
How marketplace fees change your real price
PayPal, Stripe, Amazon, Etsy, and freelance platforms take a cut before you get paid. Here is how to reverse the fee so the price you publish still covers your cost.
Why VAT Knowledge is Crucial for Freelancers and Small Businesses
A deep dive into Value Added Tax (VAT), how it affects your pricing strategy, and how to use calculators to manage your tax obligations efficiently.
Rent or Buy? The Ultimate Real Estate Math Guide
It's not just about the monthly payment. We analyze property taxes, maintenance, equity, and opportunity costs to help you decide.
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