Tips, Guides & Tools
The Free Calculators Blog
Practical guides, how-to articles, and tips to help you get the most out of our calculators and understand the numbers that matter.
Featured
New
How Much Should I Contribute to My 401(k)?
Most people either guess their contribution rate or copy whatever HR suggested at onboarding. Both approaches leave real money on the table. Here is how to figure out the right number for your situation.
Read article →Latest Articles
💵
How Much Should I Have in Savings? A Practical Guide
A clear breakdown of how much you should have saved at every stage of life, and what to do if you’re behind.
❤️
BMI vs Body Fat Percentage: Which One Actually Matters?
BMI is quick and easy but tells only part of the story. We compare both metrics so you know which one to trust.
🏦
IRA vs 401(k): Understanding the Key Differences
Contribution limits, tax treatment, employer match — we break down exactly how these two retirement accounts differ and which one fits your situation.