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Savings Calculators

Certificate of Deposit Calculator

Calculate the maturity value of a fixed-term deposit at a given rate and compounding frequency.

$
%
years

Value at maturity

$22,885

Interest earned
$2,885
Effective annual yield
4.59%
Balance by year
Yr 1Yr 2Yr 3

How this calculator works

A = P × (1 + r/n)^(n × t)

n
compounding periods per year
t
the term in years

Example calculation

Illustrative example — not advice

Worked example — the certificate of deposit calculator as it loads, using the default figures below.

  1. 01Enter deposit amount: $20,000.
  2. 02Enter annual rate: 4.5%.
  3. 03Enter term: 3 years.
  4. 04Enter compounding: Monthly.
  5. 05Read the value at maturity from the results panel: $22,885.

Value at maturity: $22,885. Interest earned: $2,885. Effective annual yield: 4.59%.

These figures come straight from the calculator above running on the values listed, so you can retype them and confirm every number yourself. Change any input and the results update immediately. Illustrative only — not a quote, offer or recommendation.

Important considerations

  • Early withdrawal usually forfeits some interest.
  • Interest is generally taxable in the year it is credited.

Terms used here

Frequently asked questions

Does daily compounding matter?

It helps, but the difference against monthly compounding is small at typical deposit rates.

Disclaimer

Legamoney calculators are educational tools. Results are estimates based on the figures you enter and do not constitute financial, tax or legal advice.

Last reviewed 2026-08-01