About
CD Calculator instantly shows the exact maturity value and interest earned on any Certificate of Deposit. Stop guessing and start planning with precise, tax-adjusted numbers.
Handles daily/monthly/quarterly compounding and APY/APR
Deducts federal & state taxes for true net earnings
Compare multiple CDs side-by-side to pick the best rate
100% free, no login, works on mobile & desktop
Built for savers who want clarity before locking in a CD.