Nominal rate from EAR: Working Back from Effective to Nominal Interest
A quoted effective annual rate can be converted to a nominal rate only after choosing how often it compounds. Monthly and quarterly conventions lead to different nominal figures.
Use the Nominal rate from EAR Calculator to enter your own figures and compare the result with the worked example below.
Nominal rate from EAR formula
Nominal rate = m × ((1 + EAR)^(1/m) − 1)
Worked example
| Item | Example value |
|---|---|
| Effective annual rate | 12.68 % |
| Compounds per year | 12 periods |
| Nominal rate from EAR | 11.997756% |
These are illustrative inputs, not current prices, rates or recommended targets. Where a currency is shown, keep all comparable money amounts in the same currency; conversion examples identify the two sides separately.
How to interpret the result
Keep the frequency explicit when sharing the result. Converting the rate does not change the underlying annual growth assumption.
Related calculations
Method and further reading
The example follows the FinMathly calculator method. For broader background, see Investor.gov: Introduction to investing. The background resource may use jurisdiction-specific terms; it does not replace the assumptions of this calculator.
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