Assessment Ratio Calculator


About Assessment Ratio Calculator (Formula)

The Assessment Ratio Calculator is a very helpful online tool for finding the assessment ratio, one of the most important components of determining property taxes. When calculating property taxes, the assessment ratio is based on the assessed or appraised value of a property.

The formula for calculating the assessment ratio is:



  • ASR is the assessment ratio
  • AV is the assessed or appraised value of the property
  • MV is the market value of the property

To use the Assessment Ratio Calculator, input the assessed or appraised value and the market value of the property, then click on the “Calculate” button. The calculator will use the above formula to compute the assessment ratio, which is then displayed on the screen.

For instance, if a property has an assessed value of $300,000 and a market value of $400,000, the assessment ratio will be calculated as:

ASR = $300,000 / $400,000 = 0.75 or 75%

This means that the property will be taxed based on 75% of its assessed or appraised value.

The Assessment Ratio Calculator simplifies the process of calculating a property’s assessment ratio, providing property owners with a better understanding of their property taxes.

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