Afterpay & Klarna BNPL Fee Calculator
Buy Now Pay Later services increase checkout conversion and cart size, but charge merchants 5% to 6% + 30¢. Calculate whether the AOV lift outweighs the high merchant fee.
Input Variables
Live updates as you typeCalculated with verified fee schedules for Afterpay & Klarna BNPL Fee Calculator.
How to Use This Tool in 3 Easy Steps
Input Baseline AOV & Margin
Enter your store's regular cart value and gross margin.
Enter Projected AOV Lift
Input expected percentage increase in cart size (e.g. +25%).
Evaluate Profit Gain
Determine if higher volume offsets the 5.99% processing fee.
100% Private
Zero data collection
Instant Speed
<5ms client execution
Mobile Ready
Native app feel
100% Free
No account required
How accurate was this calculation for your business?
Click below to submit your verified rating. Your feedback keeps this tool 100% free and up-to-date.
Frequently Asked Questions (FAQ)
Related Marketplace & Platform Fee Calculators Tools
Amazon FBA Fee Calculator
Calculate standard vs oversize Amazon FBA fulfillment fees, pick & pack costs, and weight handling.
Amazon Referral Fee Calculator
Determine category-specific referral fees (ranging from 6% to 45%) and minimum per-item referral deductions.
Amazon Monthly Storage Fee Calculator
Compare Q1-Q3 standard ($0.87/cu ft) vs Q4 holiday peak ($2.40/cu ft) Amazon fulfillment center inventory storage costs.
Amazon Aged Inventory Surcharge
Calculate long-term storage fees for inventory held in fulfillment centers past 180, 270, and 365 days.
Shopify Payments Fee Calculator
Compare 2.9% + 30¢ Basic, 2.6% + 30¢ Shopify, and 2.4% + 30¢ Advanced credit card rates across order volumes.
Shopify Third-Party Gateway Fee
Calculate the additional 2.0%, 1.0%, or 0.5% transaction penalty charged by Shopify when not using Shopify Payments.