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Payday Loan Calculator

Estimate payday loan fees, total repayment, and effective APR so you understand the true cost and can compare it with safer borrowing options.

Payday Loan Calculator





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Last updated: May 15, 2026

Created by: Eon Tools Dev Team

Reviewed by: Olga Chernova





Olga Chernova

Olga Chernova is an equity research analyst and final year Economics and Finance student at the American University in Bulgaria, with hands on experience in valuation and financial modeling. She has passed CFA Level I and contributed to a 2nd place team in the 2025-2026 CFA Institute Research Challenge in Bulgaria. At Eon Tools, she reviews finance tools.