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CD Calculator - Certificate of Deposit Interest

Free CD calculator. Calculate certificate of deposit earnings, APY, and compare CD rates. See how much your CD will be worth at maturity.

CD Calculator

Calculate your CD earnings

Amount to invest in CD

Annual percentage rate

CD term length

CD Details

Enter your values to see results

and click the "Calculate" button

CD Calculator

Calculate earnings on certificates of deposit. CDs offer guaranteed returns and are FDIC insured up to $250,000.

CD Interest Formula

A = P(1 + r/n)^(nt)

P = principal, r = rate, n = compounds per year, t = years. Daily compounding yields slightly more than monthly.

Frequently Asked Questions

What happens if I withdraw early?
Early withdrawal penalty typically 3-6 months interest for short terms, 12+ months for longer CDs. Some banks offer no-penalty CDs.
CD vs high-yield savings?
CD: locked rate, penalty for early withdrawal, often higher rates. HYSA: flexible access, rate can change. CD better if rates might drop.

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