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Calculate APR Savings Account

Reviewed by Calculator Editorial Team

Understanding your savings account APR is crucial for making informed financial decisions. This calculator helps you determine your effective interest rate and compare different savings options.

What is APR?

APR stands for Annual Percentage Rate. It represents the annual interest rate charged on a loan or earned on a savings account. APR is typically expressed as a percentage and is calculated based on the total amount of interest paid or earned over the course of a year.

For savings accounts, APR is the interest rate you earn on your deposits. It's important to note that APR is different from APY (Annual Percentage Yield), which takes into account the compounding of interest.

How to Calculate APR

The basic formula for calculating APR is:

APR = (Total Interest Earned / Average Daily Balance) × 365 × 100

Where:

  • Total Interest Earned - The total amount of interest earned during the period
  • Average Daily Balance - The average amount of money in the account during the period
  • 365 - The number of days in a year
  • 100 - Converts the decimal to a percentage

For example, if you earn $100 in interest on an average daily balance of $10,000 over a year, your APR would be:

APR = ($100 / $10,000) × 365 × 100 = 3.65%

APR vs APY

While APR and APY are often used interchangeably, they represent different concepts:

APR APY
Annual Percentage Rate Annual Percentage Yield
Simple interest calculation Compounding interest calculation
Lower than APY for the same account Higher than APR for the same account

The difference between APR and APY becomes more significant with higher interest rates and more frequent compounding periods. For example, a savings account with a 5% APR that compounds daily would have an APY of approximately 5.12%.

How to Use This Calculator

Our APR savings account calculator is designed to be simple and intuitive. Follow these steps to calculate your savings account APR:

  1. Enter the total interest earned in the "Total Interest Earned" field
  2. Enter the average daily balance in the "Average Daily Balance" field
  3. Click the "Calculate" button
  4. View your APR result and any additional information

The calculator will display your APR as a percentage and provide additional context about your savings account performance.

FAQ

What is the difference between APR and APY?
APR is the simple annual interest rate, while APY is the effective annual yield that takes into account compounding interest. APY is always higher than APR for the same account.
How often is APR calculated for savings accounts?
APR is typically calculated on a daily basis for savings accounts, meaning interest is calculated each day based on the account balance at the end of the day.
Can APR be negative?
Yes, APR can be negative if you're charged fees or penalties that reduce your account balance. In this case, the APR would represent the annual cost of these charges.
How does APR affect my savings?
A higher APR means you earn more interest on your savings, which can help your money grow faster. It's important to compare APRs when choosing between different savings accounts.