Simple Interest Calculator

Interest Calculator

Principal ($)

Annual rate (%)

Time

Time unit

$380.00

Total Interest

$5,380.00

Total Amount

$I = 5,000 × 0.038 × 2 = $380.00
$A = 5,000 + 380 = $5,380.00

Principal ($)

Rate (%)

Years

Year	Interest This Year	Cumulative Interest	Total Amount

Interest earned ($)

Rate (%)

Time (years)

$6,000.00

Principal

$720 = P × 0.04 × 3$
$P = 720 / 0.12 = $6,000.00

Interest ($)

Principal ($)

Time (years)

6.50%

Annual Interest Rate

$390 = 12,000 × R × 0.5$
$R = 390 / 6,000 = 0.065 = 6.5%

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