FinCalcWeb is a free collection of financial calculators and practical guides about interest, financing, loans and personal credit, available in Portuguese, English and Spanish.
Our goal is simple: help you understand exactly how much a loan really costs — or how much an investment can really grow — before you sign anything. Every calculator shows the math openly, and every article explains the concepts with concrete numbers instead of jargon.
Who writes here
Felipe Diogo is a CFO with 12 years of experience in financial markets, holding graduate degrees from SUNY (State University of New York) and Fundação Dom Cabral (FDC). He writes practical guides on interest, credit and personal finance.
Editorial approach
Articles are produced with the support of research and writing tools and reviewed with a focus on accuracy and practical usefulness. Figures used in examples are illustrative and clearly dated; rates change constantly, so always check current conditions before making financial decisions. Content on this site is educational and does not constitute financial advice.