Finance

Finance articles

Guides and examples for solving finance calculations with more context.

Finance · 6 min read

Loans between individuals: calculating payments and interest

Calculate payments for a loan between family members, friends or business partners and document the terms clearly.

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Finance · 7 min read

Microloans and loan apps: how to spot an expensive loan

Evaluate a microloan or lending app by its rate, CAT, term, fees, total repayment and warning signs of fraud.

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Finance · 6 min read

Car loans: how to calculate the payment and interest

Estimate a car loan payment from the amount financed, rate and term, then account for fees, insurance and add-ons.

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Finance · 6 min read

Payroll loan vs. personal loan: key differences

Compare Mexican payroll and personal loans by payment method, rate, CAT, fees, insurance and total cost.

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Finance · 7 min read

Personal loan vs. credit card: which costs less?

Compare a fixed-term personal loan with revolving credit-card debt, including rates, fees, repayment behavior and total cost.

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Finance · 6 min read

How much can I borrow based on my income?

Estimate a manageable loan amount from your income, current debts, target payment, interest rate and term.

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Finance · 6 min read

12-, 24-, 36- or 48-month loan: which term should you choose?

Compare how monthly payments, total interest and total repayment change across common loan terms.

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Finance · 6 min read

Extra loan payments: how they can reduce interest

See how extra principal payments can shorten a loan and reduce interest, and what to verify before paying early.

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Finance · 5 min read

Annual, monthly and daily loan rates: how to convert them

Convert nominal annual loan rates into simple monthly or daily rates and avoid mixing incompatible periods.

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Finance · 7 min read

How to build a loan amortization schedule in Excel

Create an amortization schedule in Excel or Google Sheets with formulas for payment, interest, principal and balance.

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Finance · 7 min read

How to compare two loans: rate, CAT, term and fees

Compare two loans fairly using the rate, Mexico’s CAT, payment, term, fees, insurance and total repayment.

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Finance · 6 min read

The French amortization system, explained

Understand why the French amortization method keeps payments level while the mix of interest and principal changes.

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