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Home › 3. Calculators & Personal Finance Tools › Design a Simple Retirement Savings Estimator

Design a Simple Retirement Savings Estimator

3. Calculators & Personal Finance Tools ⏱ 30 minutes min 📊 Intermediate

Objective

Build a basic compound-growth estimate for long-term retirement savings.

Materials Needed

  • AI chat tool
  • Rough current savings, monthly contribution, and years until retirement

Step-by-Step Instructions

  1. 1

    Provide the AI with current savings, expected monthly contribution, years until retirement, and an assumed average annual return (e.g., 6-7%).

  2. 2

    Prompt: 'Estimate what this savings plan could grow to by retirement using compound interest, and show the formula used.'

  3. 3

    Ask the AI to show how the total changes if the monthly contribution increases by $50.

  4. 4

    Ask for a plain-language explanation of what 'compound interest' means using this example.

  5. 5

    Note the disclaimer: this is an educational estimate, not financial advice, and actual returns vary.

Instructor TipEmphasize this tool is for building intuition about compounding, not for making real investment decisions — always recommend a licensed financial advisor for actual planning.
TakeawaySeeing your own numbers compound over time is one of the most motivating ways to understand why starting early matters.

Tools Used

  • ChatGPT
  • Claude.ai