financedebtdebt-payoff
How to Calculate Your Debt-Free Date
Learn how to calculate exactly when you'll be debt-free. Includes payoff formulas, strategy comparisons, and worked examples with real numbers.
Mar 4, 2026·7 min read
Blog
Guides and explainers behind the tools.
financebudgeting50-30-20
The 50/30/20 Budget Rule: A Practical Guide
Learn how the 50/30/20 budget rule works with real examples and calculations. Find your ideal split for needs, wants, and savings.
Mar 4, 2026·9 min read
mortgagehome buyingfinance
How to Choose the Right Mortgage Loan
Compare fixed vs adjustable rate mortgages, learn how to calculate payments, and find the best loan term for your budget and goals.
Mar 4, 2026·10 min read
jsondeveloper toolsbest practices
JSON Formatting Best Practices for Developers
Learn JSON formatting best practices including indentation styles, naming conventions, common mistakes, and when to minify vs pretty-print.
Mar 4, 2026·10 min read
healthcalculatortdee
How to Calculate Your TDEE (and Actually Use It)
Learn how TDEE is calculated using BMR formulas and activity multipliers. Includes worked examples, comparison tables, and practical tips for weight goals.
Mar 3, 2026·12 min read
financecalculatorcompound-interest
Compound Interest Explained: Formula, Examples, Charts
Learn how compound interest works with the formula, real examples, and comparison charts. See how compounding frequency and time multiply your money.
Mar 3, 2026·10 min read
healthcalculatorbmi
How to Calculate BMI: Formula, Charts, and More
Learn the BMI formula for metric and imperial units, see where you fall on the BMI chart, and understand what your number actually means for health.
Mar 3, 2026·11 min read