FeeSum
Fee tools

Fee calculators for credit cards, processing fees, and business costs.

Calculate card fees, payment processing costs, platform fees, and business service estimates with focused tools built around search intent.

Free calculators Fee comparisons Business estimates Practical examples

Tool library

Calculators
37
Comparisons
6
Directories
10

Start with the strongest calculator cluster, enter your own rate assumptions, and use related tools to compare nearby fee scenarios.

Open credit card fee calculator

Featured payment fee calculators

Credit Card Fee Calculator Calculate credit card processing fees by payment amount, percentage rate, fixed fee, monthly card volume, and exact card-fee rates like 2.99%, 3%, and 3.5%. 2.99% Credit Card Fee Calculator Calculate a 2.99% credit card fee instantly, including the fee on $100, the fee on $500, and the gross charge needed to receive $100 after the fee. 3% Credit Card Fee Calculator Calculate a 3% credit card fee instantly, including the fee on $100, the fee on $500, and the gross charge needed to receive $100 after the fee. 3.5% Credit Card Fee Calculator Calculate a 3.5% credit card fee instantly, including the fee on $100, the fee on $500, and the gross charge needed to receive $100 after the fee. Percentage Fee Calculator Calculate any percentage fee by amount, rate, fixed fee, and monthly transaction count. Processing Fee Calculator Calculate any processing fee from a transaction amount, percentage fee, fixed fee, and monthly count. 3% Processing Fee Calculator Calculate a 3% processing fee instantly, including the fee on $100, the surcharge-style fee on $500, and monthly cost across repeated payments. Credit Card Surcharge Calculator Estimate the added card surcharge needed to cover processing fees, then compare absorb-fee, surcharge, and reverse-fee scenarios. Convenience Fee Calculator Calculate a convenience fee by amount, percentage rate, fixed charge, and monthly payment count, including common 2.75% examples. Payment Fee Calculators Choose the right calculator for credit card fees, 3% processing fees, convenience fees, surcharges, reverse fee math, invoices, merchant quotes, payouts, and exact-rate card fees.

Categories

Payment Fee Calculators

Card processing, POS, merchant services, and no-fee payment comparisons.

28 pages

Platform fees

Shopify, Eventbrite, and software platform fee calculators.

2 pages

Business service fees

Service calls, cleaning, childcare, and B2B financing fee tools.

11 pages

Finance fees

Advisor, exchange, credit, and funding fee comparisons.

7 pages

Real estate fees

Flat fee MLS, realtor fee, and seller-cost comparisons.

5 pages