Free Fee, Profit and Advertising Calculators

Free calculators for selling, pricing and advertising. Clear assumptions, local calculations, and no account required.

Stripe Fee Calculator

Calculate Stripe US card fees, net payout, and the price needed to receive your target amount.

PayPal Fee Calculator

Estimate PayPal US fees by payment type, compare platforms, and reverse-calculate your selling price.

eBay Fee Calculator

Estimate eBay US final value fees across both sale tiers, including small-order fees and reverse pricing.

Etsy Fee Calculator

Estimate Etsy US listing, transaction and payment fees, then find a selling price that meets your profit target.

Depop Fee Calculator

Estimate Depop US seller processing fees and compare your payout with other marketplaces.

Mercari US Fee Calculator

Estimate Mercari US seller fees, profit after shipping and costs, and your required listing price.

Poshmark Fee Calculator

Calculate Poshmark US fees above and below its price threshold and find your target listing price.

Mercari Japan Fee Calculator

Estimate Mercari Japan selling fees in yen, select a shipping method, and reverse-calculate a listing price.

Markup and Margin Calculator

Calculate markup, gross margin and gross profit from your item cost and selling price.

ROI Calculator

Calculate return on investment from total proceeds and the initial investment cost.

ROAS Calculator

Calculate return on ad spend as a multiple and a percentage from attributed revenue and advertising spend.

CPC Calculator

Calculate your average cost per click from advertising spend and clicks.

CPM Calculator

Calculate advertising cost per thousand impressions.

CTR Calculator

Calculate click-through rate from clicks and impressions.

Break-even ROAS Calculator

Find the ROAS and acquisition cost needed to break even after product costs, shipping and selling fees.