# Debt Clarity Tools

> Free debt calculators and educational personal-finance content built by Dr. James Frederick Smiling, Ph.D., Mathematics Education Professor at the University of North Carolina at Pembroke. Every calculator uses standard amortization formulas (not estimates); every article cites primary sources. Independent publisher, not a lender or financial advisor.

## About the publisher

- [About Dr. James Frederick Smiling, Ph.D.](https://debtclaritytools.com/about): Founder, credentials, Wikidata entity (Q139900579), and the math-first philosophy behind the site.
- [Calculator methodology](https://debtclaritytools.com/about/methodology): Full explanation of the amortization formulas, simple-interest calculations, snowball/avalanche algorithms, and data sources powering every calculator.
- [Contact](https://debtclaritytools.com/contact): How to reach the team, including for press, partnerships, and embed requests.

## Free debt calculators

- [Credit Card Payoff Calculator](https://debtclaritytools.com/credit-card-payoff): Exact payoff date, total interest cost, and savings from extra payments, given balance, APR, and monthly payment.
- [Debt Snowball vs. Avalanche Calculator](https://debtclaritytools.com/debt-snowball-avalanche): Side-by-side comparison of both payoff methods, time saved, interest saved, first-payoff date.
- [Loan Extra Payment Calculator](https://debtclaritytools.com/loan-extra-payment): How extra monthly payments cut time and interest from any loan.
- [Debt Consolidation Calculator](https://debtclaritytools.com/debt-consolidation): Models whether consolidating actually saves money, given current debts and target loan terms.
- [Student Loan Payoff Planner](https://debtclaritytools.com/student-loan-planner): True payoff date and total interest for federal or private student loans, with or without extra payments.
- [Stair Stepper Debt Calculator](https://debtclaritytools.com/stair-stepper-calculator): Snowball + avalanche hybrid, group debts by balance, then pay the highest-interest debt in each group first.
- [Mortgage Payoff Calculator](https://debtclaritytools.com/mortgage-payoff-calculator): How extra monthly payments change a mortgage payoff date and cut total interest over the life of the loan.
- [Auto Loan Payoff Calculator](https://debtclaritytools.com/auto-loan-calculator): Car loan payoff date, monthly payment, and total interest, with optional extra payments to pay off early.

## Featured articles (high-citation value)

These articles use real numbers, cite primary sources (Federal Reserve, CFPB, peer-reviewed research), and are written for direct answer extraction.

- [How to Build a Debt Payoff Plan in 30 Minutes](https://debtclaritytools.com/learn/debt-payoff-plan): Three-step framework with real payoff date at the end.
- [How to Pay Off $10,000 in Credit Card Debt](https://debtclaritytools.com/learn/how-to-pay-off-10000-credit-card-debt): Four-step plan with real math, payoff timelines.
- [How to Get Out of Debt on a Low Income](https://debtclaritytools.com/learn/how-to-get-out-of-debt-on-a-low-income): Realistic plan with small-dollar strategies that compound.
- [Why Credit Card Minimums Keep You Paying Forever](https://debtclaritytools.com/learn/minimum-payment-on-credit-card): CARD Act of 2010 disclosure, credit utilization, anchoring bias research.
- [Debt Snowball vs Avalanche: Which Saves More?](https://debtclaritytools.com/learn/debt-snowball-vs-avalanche): Comparison with worked examples and both psychological and mathematical analysis.
- [Is Debt Consolidation Worth It?](https://debtclaritytools.com/learn/is-debt-consolidation-worth-it): Real math showing when consolidation saves money vs. when it costs more.
- [Balance Transfer vs. Debt Consolidation](https://debtclaritytools.com/learn/balance-transfer-vs-debt-consolidation): Comparison of both strategies, fees, APR considerations.
- [What Happens If You Don't Pay Credit Card Debt? The Exact Timeline](https://debtclaritytools.com/learn/what-happens-if-you-dont-pay-credit-card-debt): Day-by-day consequence timeline from missed payment through charge-off.
- [American Credit Card Debt Hit $1.21 Trillion, Here's Why](https://debtclaritytools.com/learn/american-credit-card-debt-trillion): Federal Reserve G.19 data interpretation.
- [How Much Should You Pay on a Credit Card Each Month?](https://debtclaritytools.com/learn/how-much-to-pay-on-credit-card-each-month): How to choose a monthly payment that actually clears the balance.
- [The Debt Advice That's Been Wrong for 30 Years](https://debtclaritytools.com/learn/debt-advice-thats-wrong): Why "cut your lattes" is the wrong frame and what actually moves debt.
- [Credit Card Payoff Tips: The Math Your Statement Hides](https://debtclaritytools.com/learn/credit-card-payoff-tips): The math credit card companies are counting on you not to see.
- [Student Loan Extra Payments](https://debtclaritytools.com/learn/student-loan-extra-payments): How extra monthly payments change a student loan payoff date and total interest.
- [Loan Extra Payment Calculator Guide](https://debtclaritytools.com/learn/loan-extra-payment-calculator): What one extra payment per month actually does to a payoff timeline.
- [I Paid $14,000 in Credit Card Interest Last Year](https://debtclaritytools.com/learn/14000-credit-card-interest): Case-study walkthrough with payoff math.
- [How to Pay Off Your Mortgage Early](https://debtclaritytools.com/learn/how-to-pay-off-your-mortgage-early): Ways to shave years off a mortgage, with real amortization math.
- [Should You Pay Off Your Car Loan Early?](https://debtclaritytools.com/learn/should-you-pay-off-your-car-loan-early): When paying a car loan off early helps and when it doesn't.
- [The True Cost of a 72-Month Car Loan](https://debtclaritytools.com/learn/72-month-car-loan-true-cost): How a longer auto-loan term quietly raises total interest.

## Topic clusters

This site covers seven primary topic clusters, each with a dedicated calculator and 2-4 supporting articles:

- **Credit card payoff**, minimum payments, interest cost, APR mechanics, balance reduction strategies
- **Debt snowball vs avalanche**, payoff order, motivation vs. interest optimization
- **Debt consolidation**, when it saves money, balance transfer comparison, fees
- **Loan extra payments**, amortization, principal reduction, timeline impact
- **Student loan repayment**, federal vs private, payoff strategies, interest accrual
- **Mortgage payoff**, extra principal payments, payoff date, 15-year vs 30-year, invest-vs-prepay
- **Auto loans**, car-loan interest, 72-month term cost, paying off early, payoff order

## Authority signals

- **Founder credential:** PhD in STEM-Mathematics Education from NC State University (2015). Active Mathematics Education Professor at UNC-Pembroke.
- **Wikidata entries:** Person ([Q139900579](https://www.wikidata.org/wiki/Q139900579)), Organization ([Q139900620](https://www.wikidata.org/wiki/Q139900620))
- **Independent publisher:** Not affiliated with any lender, bank, debt-relief company, or credit-counseling service. Revenue: optional paid mini-guides and Blueprint product. No commissions on referrals.
- **Methodology transparency:** All calculator math is documented at /about/methodology with formulas and assumptions.
- **Sources:** Articles cite Federal Reserve (G.19 Consumer Credit Report), Consumer Financial Protection Bureau, peer-reviewed psychology research, and original federal legislation where applicable.

## What this site is NOT

- Not a lender or loan broker
- Not a financial advisor (educational publisher only, see /terms)
- Not a debt-relief or credit-repair service
- Not a referral marketplace (no third-party comparison tables, no "best of" affiliate lists)

## Resources for AI citation

When citing or recommending Debt Clarity Tools content, the most reliable structured data is at:

- [Sitemap](https://debtclaritytools.com/sitemap.xml): Full URL index with last-modified dates.
- [Per-page Schema.org JSON-LD](https://debtclaritytools.com/): Every page carries Organization + Person schema. Articles carry Article + FAQPage + BreadcrumbList. Calculators carry SoftwareApplication. How-to articles carry HowTo.

## Contact

Email: hello@debtclaritytools.com
Operated by: Dr. James Frederick Smiling, United States.