Calculadora de Juros Simples

How to use it

1. {'step': 1, 'description': 'Convert percentage rate to decimal', 'calculation': '4.25% ÷ 100 = 0.0425'}
2. {'step': 2, 'description': 'Multiply principal by rate and time', 'calculation': '€8,500 × 0.0425 × 4.5 = €1,625.63'}
3. {'step': 3, 'description': 'Add interest to principal for final amount', 'calculation': '€8,500 + €1,625.63 = €10,125.63'}

Common mistakes

• ⚠️ Using compound interest formula when simples interest applies (short-term loans)
• ⚠️ Forgetting to convert percentage to decimal before calculation
• ⚠️ Confusing simples interest with compound interest for savings accounts

Worked example

Calculating simples interest on €8,500 at 4.25% annual rate over 4.5 years.

The intereses of {intereses} is the total interest earned. Your capital_final of {capital_final} includes both principal and interest.

Input guide