# Nominal Interest Rate Calculator

> Convert an effective annual interest rate to an equivalent nominal annual rate for a selected compounding frequency.

Page: https://askcalculators.com/calculator/nominal-interest-rate-calculator/
Definition: https://askcalculators.com/calculator/nominal-interest-rate-calculator/definition.json
JSON Schema: https://askcalculators.com/calculator/nominal-interest-rate-calculator/schema.json
Version: 1.0.0
Maintained by: AskCalculators (software project; not a credentialed reviewer)
Qualified review: pending. Automated checks do not establish professional approval.
Page status: Live
Review status: Pending

## Use
Open the calculator page and enter values. Query-string parameters can restore and bookmark a calculation.
Example: https://askcalculators.com/calculator/nominal-interest-rate-calculator/?effectiveAnnualRate=6.1678&compoundsPerYear=12

## Inputs
- effectiveAnnualRate: Effective annual rate; type=percent; required; default=6.1678; min=-99.99; max=1000
- compoundsPerYear: Compounds per year; type=number; required; default=12; min=1; max=365

## Outputs
- nominalAnnualRate: Nominal annual rate; format=percent; primary
- periodicRate: Periodic rate; format=percent
- effectiveCheck: Recomputed effective annual rate; format=percent

## Formula
nominal rate j = m[(1+EAR)^(1/m) − 1]

## Rules
- Empty optional inputs are undefined, not zero.
- Hidden conditional inputs are ignored.
- Do not invent missing required inputs.