CD Calculator APY Posted by Calculator Study March 15, 2025 CD Calculator APY - Calculate Certificate of Deposit Earnings CD Calculator APY Principal Amount ($): Annual Interest Rate (%): Term (months): Calculate Clear APY Formula APY = (1 + r/n)(n*t) - 1 Where: r = Annual interest rate (decimal) n = Number of compounding periods per year t = Time in years PETH Test Calculator Post navigation Previous Post Discounted Cash Flow CalculatorNext PostAPY Calculator CD