Have a question about one of the calculators? Found a bug? Want to suggest a new tool? We'd love to hear from you.
The best way to reach us is by email. We typically respond within 1–2 business days.
To help us respond quickly, please include:
— The name of the calculator or page you're asking about
— A brief description of your question or the issue you encountered
— Your browser and device type if you're reporting a bug (e.g., Chrome on iPhone)
We're always looking to add new tools. If there's a financial calculator you wish existed — budgeting, investing, real estate, debt payoff, or anything else — let us know. The best tools on this site have come from exactly these kinds of suggestions.
Wealth Builder Tools is a free resource with no account requirements and no data collection. Learn more on the About page.