Mortgage Guides
Understand mortgage calculators, loan types, and strategies.
CD & Savings Guides
Learn CD strategies, compounding, and FDIC protection.
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How Our Guides Are Written
Each CalcRates guide is written to complement the corresponding calculator — explaining the math, the assumptions, and the real-world context so you can interpret results intelligently rather than just plugging in numbers.
What You'll Learn
Our guides cover:
- The formula behind each calculator — so you know exactly what's being computed
- Which inputs matter most — and how sensitive the results are to each
- Realistic examples — using numbers close to current market conditions
- What the results don't tell you — limitations and factors the calculator can't capture
- Next steps — what to do with the information once you have it
Note: All guides are for educational purposes only. Numbers and rates used in examples reflect market conditions as of May 2026. Rates change frequently — always verify current rates with actual lenders and financial institutions before making decisions.
Guides FAQ
Yes. Our mortgage calculator guide is specifically written for people who are new to mortgages. It explains foundational concepts — amortization, principal, interest, escrow, PMI — before getting into calculator mechanics. First-time buyers should start with the Mortgage Calculator Guide and then use the Affordability Calculator to set a realistic budget.
The core concepts in our guides are evergreen — amortization math, CD compounding formulas, and HELOC mechanics don't change. Rate references and specific dollar figures (loan limits, FDIC limits, tax brackets) are reviewed and updated annually or when significant regulatory changes occur. The current guides reflect 2026 limits and May 2026 rate conditions.
No — the calculators are designed to be self-explanatory with labeled inputs and tooltips. However, reading the relevant guide first will help you use better inputs (especially for less obvious fields like ARM adjustment caps or CD compounding frequency) and interpret the results more accurately. We recommend trying the calculator first and referring to the guide when you have questions about a specific field or result.
No. CalcRates guides and calculators are for educational and informational purposes only. Nothing on this site constitutes financial, investment, tax, or legal advice. For personalized guidance, consult a licensed financial advisor, mortgage loan officer, CPA, or attorney who can evaluate your specific situation.