Our Mission
AIHouses is dedicated to providing free, accurate, and easy-to-use financial calculators for investors and individuals worldwide. Our mission is to make financial planning accessible to everyone, regardless of their background or expertise.
We believe that sound financial decisions start with clear, accurate data. Too often, complex calculations create barriers for people trying to plan their futures. AIHouses removes those barriers by offering professional-grade tools that anyone can use — no financial degree required, no registration needed, and absolutely no cost. Whether you are just starting to invest or managing a mature portfolio, our calculators give you the numbers you need to make confident decisions.
Why Trust AIHouses
Accuracy and transparency are the foundation of every tool we build. Here is what sets AIHouses apart:
Industry-Standard Formulas
Every calculator uses well-established financial equations — compound interest formulas, the Fisher equation for inflation-adjusted returns, standard amortization schedules, and official tax brackets sourced from the IRS (US), National Tax Service (Korea), and Canada Revenue Agency. Our calculation engines are covered by automated tests to ensure consistent accuracy.
100% Browser-Based Processing
All calculations run entirely in your browser using client-side JavaScript. Your financial data is never transmitted to any server. We do not collect, store, or have access to any numbers you enter — your privacy is absolute.
Open & Transparent
Our tools are free with no premium tiers, no hidden limitations, and no paywalls. Every user gets the same full-featured experience. We sustain the site through non-intrusive advertising, and we are committed to keeping all calculators permanently free.
Our Calculators
AIHouses provides a comprehensive suite of financial calculators, each designed with detailed inputs, interactive charts, and year-by-year breakdowns:
- Compound Interest Calculator
See how your money grows over time with compound interest. Supports daily, monthly, quarterly, semi-annual, and annual compounding with regular contributions.
- Dividend Reinvestment (DRIP) Calculator
Simulate dividend reinvestment (DRIP) strategies with real ETF presets like SCHD, QQQ, and S&P 500. Track projected dividend income with tax adjustments.
- Retirement Calculator
Plan your retirement with two-phase modeling — accumulation and withdrawal. Includes 4% rule analysis, Social Security income, and spending growth estimates.
- Real Return Calculator
Understand the true purchasing power of your investments after accounting for inflation and taxes using the Fisher equation.
- Mortgage Calculator
Calculate mortgage payments with support for Korean (equal P&I, equal principal, bullet) and Canadian (semi-annual compounding) loan structures.
- Investment Tax Calculator
Compare investment taxes across the US, Korea, and Canada. Covers dividend income tax, short-term and long-term capital gains, and effective tax rates.
Contact
Have questions, suggestions, or found a bug? We would love to hear from you. Your feedback helps us improve our tools for everyone.