Interest Rate Calculator: How to Work Out What a Loan Really Costs (2026 Guide)

Interest rate calculator guide: the amortisation formula, simple vs compound interest, APR vs rate, and worked examples - $15,000 car loan at 7% vs 10%.

Interest rate calculator guide: the amortisation formula, simple vs compound interest, APR vs rate, and worked examples - $15,000 car loan at 7% vs 10%.

401 contribution limits 2026: $24,500 elective deferral, $8,000 catch-up at 50+, $11,250 super catch-up at 60-63, and the new Roth catch-up rule. IRS Notice 2025-67 figures.

Nonprofit student loan forgiveness through PSLF: 120 qualifying payments, Direct Loans, 501(c)(3) employers, and the 2026 repayment-plan changes. Tax-free forgiveness explained.

Lines of credit for bad credit: unsecured lines are rare and costly below 580; secured lines and safer alternatives explained, with Fed and CFPB cost figures.

How can I start credit with no history? A secured card, authorised user account, or credit-builder loan builds your first credit file. CFPB, myFICO, and FTC sources.

Home loan calculator guide: work out your monthly mortgage payment from the loan amount, rate, and term, plus taxes, insurance, and PMI. Worked $300,000 example inside.

How does a 2nd mortgage work? A second mortgage sits behind your first mortgage as a junior lien: a home equity loan lump sum or a HELOC credit line.

Are IRA contributions tax deductible? Traditional IRA contributions up to $7,500 for 2026 are deductible, unless a workplace plan and your income phase the deduction out.

Where's my amended refund? Use the IRS Where's My Amended Return tool. Form 1040-X takes 8-16 weeks; check with your SSN, date of birth, and ZIP code.

Is a 740 credit score good? Yes - 740 starts FICO's very good range (740-799). What rates and cards it unlocks, and how to move toward 800.