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Effective Annual Rate Calculator

Finance & Investment

EAR=(1+r/m)^m−1 · compounding frequency comparison

Quick Answer

Effective Annual Rate Calculator: EAR=(1+r/m)^m−1 · compounding frequency comparison. Effective Annual Rate Calculator uses standard finance formulas to compute accurate results instantly.

How it works

  1. 1EAR=(1+r/m)^m−1 with nominal r compounded m times
  2. 2More frequent compounding raises EAR toward e^r−1
  3. 3Always compare products on EAR, never nominal
  4. 4"0.05%/day" is 18.25% nominal but ~19.96% effective

Rate inputs

%
per year
Effective annual rate12.68%
Semiannual（m=2）12.36%
Quarterly（m=4）12.55%
Monthly（m=12）12.68%
Daily（m=365）12.75%
Continuous e^r−112.75%
Advertised deposit rates are usually nominal; 7-day annualized fund yields are extrapolations, not promises. When comparing loans watch both the compounding frequency (annuity IRR far exceeds the nominal monthly rate — see our renovation-loan tool) and whether fees are inside the APR. Credit-card revolving credit at 0.05%/day is ~19.96% effective.

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How to Use

  1. Enter amounts and terms: fill principal, rate and period in the Effective Annual Rate Calculator (defaults work for a quick try).
  2. Instant results: key figures and cost breakdown update live as you type.
  3. Compare scenarios: tweak any parameter to compare costs and returns across plans.
  4. Copy key numbers: one-click copy for records or sharing with your advisor.

Key Points

  • Effective Annual Rate Calculator is a free online finance tool — open and use, no sign-up.
  • All calculations run locally in your browser; your data never leaves the device.
  • Key capability: EAR=(1+r/m)^m−1 · compounding frequency comparison.
  • Results come with formulas and reference tables so you can verify every number.

Formula & How It Works

Effective Annual Rate Calculator formula

Effective Annual Rate Calculator uses standard finance formulas to compute accurate results instantly.

FAQ

How do I use the Effective Annual Rate Calculator?
Open the page and fill in the input fields — results update automatically. EAR=(1+r/m)^m−1 · compounding frequency comparison.
Are the results accurate?
Yes. Standard financial formulas and published rate data are used. For official figures, consult your financial institution.
Is it free? Do I need to sign up?
Completely free. No registration, login or download required.
Can I use the results for financial decisions?
Results are for reference. Consult a licensed financial advisor before major decisions.
Does it work on mobile?
Yes. Fully responsive on phones, tablets and desktops.

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Source & Updates

Based on published rate tables and standard financial formulas. Last updated: 2025-07

Authoritative sources:

Last updated:

Formulas and content on this page are reviewed by the YiJianSuan team. For reference only — official sources prevail.

Maintained and periodically reviewed by the YiJianSuan editorial team — review process in ourEditorial Policy.

Cite this page: YiJianSuan. Effective Annual Rate Calculator[EB/OL]. https://www.yijiansuan.com/en/c/finance/ear-rate

Results provided by this tool are for reference only and do not constitute professional advice.