Learn the Debt Math
Real math. No hype. Written by a PhD mathematician, for people who are actually in debt right now and need clarity, not motivation.
Run the Math. Read the Guide. Take the Next Step.
Debt Consolidation Loan vs Personal Loan: Which Is Cheaper?
A consolidation loan is usually just a personal loan for paying off debt. The real differences, plus an $18,000 example that saves about $3,224 in interest.
Read articleDebt Consolidation vs Debt Settlement: What's the Difference?
One repays your full balance and protects your credit; the other pays less but damages it for years. Cost, credit, taxes, and a worked $18,000 example.
Read articleHow Much Can You Save by Paying Off Debt Faster?
An extra $100 a month saved about $3,340 on a $6,000 card and $1,090 on a $15,000 loan. Two real examples, plus the free calculators to run your own.
Read articleShould You Refinance Your Student Loans in 2026?
Refinancing $40,000 from 7% to 5% saves about $4,821, but refinancing federal loans gives up forgiveness and income-driven repayment forever. How to decide.
Read articleStudent Loan Extra Payments: How Much Faster Are You Free?
An extra $150 a month on $35,000 at 6.5% saves $4,608 and 3.4 years. The real math, and the servicer step most people miss.
Read articleBiweekly vs Monthly Payments: Do They Really Save Money?
Paying biweekly sneaks in one extra payment a year. On a $30,000 loan at 7% that's about $600 and 6 months saved, plus the free way to do it.
Read articlePersonal Loan Extra Payments: How Much Faster Are You Free?
An extra $100 a month on a $20,000 loan at 12% saves $1,071 and ends it 9 months early. The real math, and how to make sure it hits principal.
Read articleThe Debt Avalanche Method: How It Works (With Real Numbers)
Highest interest rate first for the lowest cost. The same three debts as the snowball, run the avalanche way, $342 cheaper and a month faster.
Read articleThe Debt Snowball Method: How It Works (With a Real Example)
Smallest balance first for fast, motivating wins. The same three debts as the avalanche, run the snowball way, see exactly what the early payoff costs you.
Read articleHow Does a Debt Consolidation Loan Actually Work?
One fixed loan replaces several high-rate cards. The real math on $15,000, $5,199 less interest, 16 months faster, and the one catch that undoes it.
Read articleWill Debt Consolidation Hurt Your Credit?
Usually a small dip, then a rise, because paying cards to $0 drops utilization from 83% to 0%. The factor-by-factor truth.
Read articleWhat Happens to Unpaid Credit Card Debt After 7 Years?
After 7 years it falls off your credit report, but the debt doesn't legally vanish. The statute of limitations is a separate, state-by-state clock.
Read articleHow Is Credit Card Interest Calculated? (The Daily Math)
It's charged daily: average balance times APR over 365. On $5,000 at 24.99% that's about $3.42 a day. See the full math.
Read articleHow Does a Credit Card Grace Period Work?
Pay your full statement balance by the due date and purchases are interest-free. Carry a balance and you lose that window.
Read articleWhat Is a Good Debt-to-Income Ratio? (And the Number Lenders Want)
A good DTI is 36% or below, and 43% is the mortgage limit. The formula, the 28/36 rule, and how to lower it fast.
Read articleWhat Is a Good Credit Utilization Ratio? (And the Exact Number to Aim For)
Keep it under 30%, ideally under 10%, it's 30% of your FICO score. The formula, the targets, and exactly how much to pay down.
Read articleAuto Loan Extra Payments: How Much Do They Actually Save?
$200 extra a month on a $25,000 auto loan at 7.5% saves $2,316 and pays it off 26 months early, if you mark it "principal only." See the table.
Read articleWhat Is the Minimum Payment on a Credit Card? (And What It Really Costs)
Minimums are ~1-3% of balance, or interest + 1%. On $5,000 that's about $149/month, and still takes 19.5 years to clear.
Read articleCredit Card Amortization Schedule: How It Works (With a Real Table)
See a real month-by-month table on a $6,000 card at 23.79% APR, interest vs. principal, every payment, until it hits zero in 26 months.
Read articleHow Long Does It Take to Pay Off Student Loans?
The standard plan is 10 years. New 2026 terms run 10-25 years by balance. A $30,000 loan stretched to 25 years costs ~$20,000 more in interest.
Read articleShould You Pay Off Student Loans Early or Invest? (The 6% Rule)
Above ~6%, paying down wins; below it, investing may. A $30,000 loan at 6.53%, $200 extra a month saves $5,126 and 4+ years.
Read articlePersonal Loan vs. Credit Card to Pay Off Debt: Which Actually Costs Less?
On $15,000 over 3 years, a 12.3% personal loan costs $3,013 in interest vs $6,126 on a 23.79% card, a $3,113 difference. When each one wins.
Read articleDoes Paying Off a Loan Early Save You Money, or Hurt Your Credit?
$150 extra on a $20,000 loan at 9% saves $1,580 and 18 months. The credit-score dip is a few points, and temporary. Here's the math.
Read articleCan You Negotiate Your Credit Card Interest Rate? (And How Much It Saves)
About 70% of cardholders who ask for a lower rate get one, but only 25% ask. The phone script, plus how a 5-point cut saves $1,158 on $5,000.
Read articleHow Much Should You Pay on Your Credit Card Each Month?
Pay the full balance if you can. If not, here's the exact payment that clears a $6,000 card in 1-3 years, and why the minimum traps you for 20.
Read articleHow to Pay Off Credit Card Debt in 12 Months (What It Costs Per Month)
Clear $5,000 in a year for about $472 a month and just ~$667 interest. The exact payment for a 1, 2, or 3-year payoff.
Read articleShould You Pay Off Your Mortgage Early or Invest? (The 2026 Math)
At ~6.8% today, paying extra is a guaranteed return; investing may beat it with risk. See the side-by-side math on a $300,000 mortgage.
Read articleHow to Pay Off Your Mortgage Early (Step-by-Step)
Extra principal, one extra payment a year, or biweekly, on a $300,000 mortgage at 6.8%, an extra $200/mo pays it off ~7 years early and saves ~$111,000.
Read articleHow Much Does an Extra $200 a Month on Your Mortgage Save?
On a $300,000 mortgage at 6.8%, adding $200/month pays it off about 7 years early and saves roughly $111,000 in interest. See every tier.
Read article15-Year vs 30-Year Mortgage: The True Cost Difference
A 15-year has a higher payment but far less interest, about $248,000 less on a $300,000 loan. See the full side-by-side.
Read articleWhat Is a Mortgage Amortization Schedule? (Why Early Payments Are Mostly Interest)
On a $300,000 mortgage at 6.8%, month one is about $1,700 interest and only $256 principal. Here's the schedule and why it flips over time.
Read articleShould You Pay Off Your Car Loan Early? (Pros, Cons, and the Math)
On a $30,000 auto loan at 9%, an extra $200/mo clears it ~17 months early and saves ~$2,186. When early payoff makes sense, and when it doesn't.
Read articleHow Is Car Loan Interest Calculated? (Where Your Money Actually Goes)
Most car loans use simple interest: on a $30,000 loan at 9%, month-one interest is about $225 of a ~$623 payment. Here's exactly how it works.
Read articleHow Long Does It Take to Pay Off a Car Loan?
A $30,000 loan at 9% over 60 months is 5 years, and an extra $100/month cuts it to about 50. See payoff time by balance and payment.
Read articleIs a 72-Month Car Loan a Mistake? The True Cost of a Long Term
A 72-month term lowers the payment but adds about $3,100 in interest on a $30,000 loan, and keeps you underwater longer. See 48 vs 60 vs 72 vs 84.
Read articleShould You Pay Off Your Car Loan or Credit Card First?
A card at 23.79% costs about 2.6x more per dollar than a 9% car loan, so the card usually comes first. Here's the simple math, and the one exception.
Read articleThe Best Free Credit Card Payoff Calculator (No Sign-Up)
No sign-up, no email, see your exact debt-free date and total interest. How DCT compares to Bankrate and Credit Karma on a $6,600 card at 23.79%.
Read articleCan I Use a Debt Calculator Without Signing Up? (Yes)
Yes, eight free calculators, no email, no account, and your numbers stay in your browser. Here's how, and why the privacy matters.
Read articleHow Do Extra Payments Affect My Payoff Date? (Real Numbers)
Every extra dollar hits principal. On $6,600 at 23.79%, one extra $100 a month cuts about 25 months and roughly $2,000 in interest.
Read articleSnowball vs Avalanche: Which Saves the Most Money?
Avalanche saves the most interest; snowball gives earlier wins. A worked two-card example shows the real dollar difference.
Read articleConsolidated but the Rate Went Up? What Happened
Four common reasons your consolidation rate rose, and how to check whether it actually lowers your total cost, with a $12,000 example.
Read articleWhat Date Will You Be Debt-Free? (Your Exact Month)
Find the exact month and year you'll be debt-free using precise, bank-matching math, no sign-up. See how extra payments move the date.
Read articleFree Student Loan Payoff Calculator (No Sign-Up)
A free student loan payoff planner showing your monthly payment, total interest, and exact payoff date. Covers the 2026 repayment changes.
Read articleThe 8 Free Debt Calculators (No Sign-Up), Which to Use
All eight free Debt Clarity Tools calculators, no sign-up, plus a one-line guide to which one fits your goal.
Read articleWhy Does Your Credit Card Balance Never Go Down? The Math Nobody Shows You
Pay $200 on a $10,000 card at 23.79% APR and only $1.75 comes off the balance. Here's why it feels frozen, and the exact payment that fixes it.
Read articleHow Long Does It Take to Pay Off Credit Card Debt? (Any Balance)
$5,000 to $25,000, exactly how long it takes at the minimum versus a fixed payment, with full payment-by-payment tables for every balance.
Read articleHow to Get Out of Debt on a Low Income: A Realistic Plan That Actually Works
Adding just $75 a month above your minimums on $14,200 in debt saves $4,847 in interest and cuts your payoff from 94 months to 51. Here's the realistic plan.
Read articleHow to Pay Off $10,000 in Credit Card Debt: A Step-by-Step Plan With Real Numbers
At 24.99% APR, paying minimums costs $7,218 in interest over 87 months. Here's the exact 4-step plan, and the $513/month target, to clear $10,000 in 24 months instead.
Read articleWhat Happens If You Don't Pay Credit Card Debt? (The Exact Timeline)
Miss one payment and the clock starts. From a $29 late fee on day one to a potential lawsuit by month 18, here's the exact timeline of what happens to a $6,500 balance when you stop paying.
Read articleYour Credit Card Company Is Counting on You to Never See This Number
Chase made $21.5 billion in credit card interest in 2024, from people who were paying every month and believed they were making progress. Here's the math they don't show you.
Read articleIs Debt Consolidation Worth It? The Math Most People Never See
The Decision Light framework shows green, yellow, or red for your situation. The 60-Second Calculator Check reveals whether consolidation actually saves you money or locks you into years of extra payments.
Read articleDoes Debt Consolidation Lower Your Monthly Payment? (Real Math)
The same $15,000 handled three ways, side by side: how a lower rate cuts both your payment and total interest, and how stretching the term quietly costs you more.
Read articleBalance Transfer vs. Debt Consolidation: Which One Actually Saves You More Money?
See the real math side by side on $8,500 in debt, interest saved, fees, credit score impact, and which strategy fits your situation.
Read articleHow to Build a Debt Payoff Plan in 30 Minutes, With a Real Payoff Date at the End
Use the Debt Speed Formula to find your exact payoff date, choose your plan level, and set up a system that runs automatically.
Read articleThe Debt Reality Nobody Is Talking About
The Average American Owes $6,659 on Credit Cards. Here's How Long That Actually Takes to Pay Off.
At 23.79% APR, minimum payments can drag on 20+ years. But a flat $300 a month clears it in about 30. Same balance, completely different life.
Read articlePay Off Debt or Save Money First? The Math Most People Get Backwards.
Paying off a 23% card is a guaranteed 23% return, more than five times what a savings account pays. Here's the order that actually works.
Read articleWhich Debt Should You Pay Off First? The One Rule (and When to Break It).
Pay minimums, then attack the highest rate. Simple, until a $500 collection or a car loan changes the whole order. Here's when to switch.
Read articleAmerican Credit Card Debt Just Hit $1.21 Trillion. Here's Exactly How It Happened to Normal People.
It didn't happen because people bought Ferraris. It happened $47 at a time. A grocery run when the account was thin. A car repair that couldn't wait. Then the rate hit 26.99%.
Read articleI Paid $14,000 in Credit Card Interest Last Year and Had Nothing to Show for It.
$14,000. That's a used car. That's 4 months of mortgage payments. Millions of Americans paid more than that last year, and most had no idea the number was that high.
Read articleThe Debt Advice That's Been Wrong for 30 Years, And What Actually Works Instead
"Cut your lattes." "Just budget better." This advice has been recycled since the 1990s and has not meaningfully moved the needle on American household debt. Here's why, and what does.
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