
Learn · Calculate · Ask AI
Make smarter money decisions with AI.
Free calculators, practical guides, and privacy-aware AI prompts to help you budget, save, reduce debt, and invest with more confidence—written in plain American English.
Educational content only · No account required · Your calculator inputs stay in your browser
Start with a useful answer
Free financial calculators
Turn a vague money question into a practical first estimate. Each calculator explains the assumptions, formula, limitations, and next steps.
Budgeting
50/30/20 Budget Calculator
Split monthly take-home pay into needs, wants, and financial goals.
Calculate your budget → ☂Saving
Emergency Fund Calculator
Estimate a planning range based on essential expenses, income stability, and dependents.
Estimate your fund → ↗Investing
Compound Interest Calculator
Model how an initial amount and regular contributions could grow over time.
Project your growth →The MoneyAI method
From question to next step
MoneyAI connects education, calculation, and responsible AI use so you can understand the decision—not just receive an answer.
Learn
Understand the concept in plain English with examples and official sources.
Browse learning guides →Ask AI
Use structured prompts without sharing account numbers or sensitive documents.
Open the prompt library →AI + personal finance
Use AI as a thinking partner—not a financial authority
AI can help organize categories, challenge assumptions, and draft questions for a professional. It can also be confidently wrong. Our guides show you how to use it while protecting your privacy and verifying important decisions.
How to Use AI for Personal Finance
A safe workflow for budgeting, goal planning, and spending reviews.
Read the guide →“ ”Budgeting Prompt Pack
Copy prompts for variable income, expense reviews, and realistic monthly plans.
Copy the prompts →✓Know the limits
Understand what MoneyAI tools and educational content can—and cannot—do.
Read our disclaimer →United States
US personal finance, explained clearly
Learn the basics of 401(k) plans, Roth IRAs, credit scores, and other US-specific topics with links to official sources.
Explore US guides →US retirement
401(k) Guide for Beginners
Contributions, employer matches, vesting, fees, and a practical checklist.
Understand your 401(k) →US credit
How Credit Scores Work
What affects a score, how to review your reports, and habits that support healthy credit.
Learn the fundamentals →Go deeper
Money in Plain English book series
Three practical paths for young adults, self-employed professionals, and employees. Each book combines clear explanations, realistic examples, checklists, and a 12-month action plan.


Book 2
For the Self-Employed
Manage variable income, reserves, taxes, and long-term goals.
View book details →
Book 3
For Employees
Turn predictable pay into an automated wealth-building system.
View book details →Start where you are
One clear next step beats ten vague intentions.
Choose a calculator, learn the concept behind it, then turn the result into a plan you can review.
Find your first tool →