About CalcMaven

CalcMaven provides free, accurate financial calculators to help you make smarter money decisions. Whether you're planning a mortgage, tracking investments, or estimating taxes, our tools give you instant answers.

All calculations happen right in your browser — your data stays private and is never sent to any server. Results update in real-time as you adjust inputs, making it easy to compare different scenarios.

We believe financial literacy should be accessible to everyone. That's why all our calculators are completely free with no signup required.

How We Build Our Calculators

Every calculator uses standard financial formulas verified against authoritative sources. We include detailed explanations of the math behind each calculator so you can understand exactly how your results are calculated.

Contact

Have a suggestion or found a bug? We'd love to hear from you at hello@calcmaven.com.