Property Tax Calculator

Estimate annual property tax from property value, assessment ratio, exemptions, and your local rate.

Use your local assessment rules and tax rate

This estimator does not guess a rate from a country or state. Use the assessed value, assessment ratio, exemptions, and annual rate from your local assessor or latest tax notice.

Currency

This selection only labels entered values and results. It does not convert amounts or use exchange rates.

Property value ($)

If you already know the assessed value, enter it here and leave the assessment ratio at 100%.

Assessment ratio (%)

Assessed value = property value × assessment ratio.

Eligible exemption amount ($)

Enter only an exemption that reduces assessed value in your jurisdiction.

Annual local tax rate

Rate format

1% equals 10 mills.

Explore More Finance Tools

Continue with related pages to compare results and improve decision making.

View Finance Category Read the Property Tax Calculator Guide

How This Property Tax Calculator Works

This jurisdiction-neutral estimator uses the assessment ratio, exemption, and annual rate you enter. It does not guess current state, county, municipal, or national rates.

Formula and Calculation

The core formula used by this property tax calculator is: Taxable assessed value = (property value x assessment ratio) - eligible assessed-value exemption. Annual property tax = taxable assessed value x local tax rate.

The tool converts either a percentage or millage rate to a decimal, applies it to taxable assessed value, and shows annual, quarterly, and monthly budgeting equivalents.

For a property worth $300,000, a 100% assessment ratio and 1.2% rate produce an estimated annual tax of $3,600 before any additional local charges.

How to Use This Calculator

Enter market value, or enter assessed value and keep the ratio at 100%.
Enter the assessment ratio shown by your local authority.
Subtract only an eligible exemption that reduces assessed value.
Enter the current local rate as a percentage or mills and review the estimate.

Why Use This Property Tax Calculator?

Convert millage rates without manual arithmetic.
See how assessment ratios and exemptions affect taxable value.
Turn an annual estimate into monthly and quarterly planning amounts.
Model a quoted local rate without implying that it is current everywhere.

Related Tools and Guides

Try the Mortgage Calculator for a related calculation.
Try the Loan Calculator for a related calculation.
Read the Property Tax Calculator Guide for examples and assumptions.
Browse the Finance Calculators page for more tools.

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Frequently Asked Questions

How is property tax calculated?

This estimator multiplies taxable assessed value by the annual local rate. Taxable assessed value is the entered value times the assessment ratio, less the eligible assessed-value exemption entered.

Is market value the same as assessed value?

Not necessarily. If you already know assessed value, enter it as the property value and keep the assessment ratio at 100%. Otherwise use the ratio supplied by the assessor.

Does this provide current state or county rates?

No. Rates and assessment rules change locally. Enter the rate and exemption from your latest tax notice or assessor, and verify special assessments and credits separately.