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Colorado Sales Tax Calculator

Written by:

Mark Stewart is the in-house Certified Public Accountant, an accomplished author and financial media specialist.

Colorado Sales Tax Calculator

If your business sells physical products or certain types of services, you will need to collect and pay sales tax. In Colorado, the first step is visiting the revenue department’s website and registering for sales tax in order to acquire a seller’s permit, or sales tax permit. 

Use our Sales Tax Calculator to determine your exact sales tax rate and total purchase amount. 

Colorado Sales Tax Calculator

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What Products and Services Are Subject to Sales Tax in Colorado?

Retail sales of tangible property are subject to sales tax in Colorado. Services subject to sales tax include telephone services, accommodations, some utilities, and prepared foods. Prescription drugs, insulin and insulin supplies, and prosthetic and medical supplies are exempt from sales tax. 

Colorado Sales Tax Rate

The state sales tax rate in Colorado is 2.9%.

Colorado sales tax rates vary depending on which county and city you’re in. Check Colorado Department of Revenue site for the exact rates.

Sales Tax Rate

How to Register for Colorado Sales Tax

In Colorado, acquire a seller’s permit by following the detailed instructions for registration: 

  1. Visit the My Biz Colorado website
  2. Fill out the business sales tax registration form.
  3. Pay the $16 fee.


In Colorado, and across the country, collecting sales tax is a must if you want to avoid potentially heavy fines and even closure. It’s crucial that you follow your state’s laws, and you might consider consulting with an accountant or tax attorney to make sure you’re in full compliance.


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Colorado Sales Tax Calculator