This tool calculates your estimated tax liability under the proposed FAIRtax system. It uses your family size, annual retail spending, and region to provide an instant tax total and rate. Designed for FAIRtax advocates and individuals curious about the system's financial impact.
3.0.26
January 15, 2026
This is the annual update to the FAIRtax Calculator for iOS. It has been changed to use the 2026 Health and Human Services Poverty Guidelines and reflects that in the text on the screen.
MoreFAIRtax Calculator is a paid app, priced at $0.99. This one-time purchase grants you access to its tax estimation features.
To use FAIRtax Calculator, you'll need to provide your estimated annual spending on new retail products and services, the number of adults and children in your home, and your region of the USA.
FAIRtax Calculator is updated annually to reflect new federal poverty guidelines, typically released in early to mid-January. It will also be updated if the wording of the FAIRtax Act changes.
FAIRtax Calculator is available for iPhone, iPad, and iPod devices. It is designed for Apple's mobile operating system.
FAIRtax Calculator has an age rating of 17+. This is likely due to the complex financial and tax-related nature of the information it presents.
No, FAIRtax Calculator is ad-free. As a paid application, it does not contain any advertisements, allowing for an uninterrupted user experience.
The 'demonstration purposes only' note signifies that the calculator illustrates how the FAIRtax system would work automatically. It is not an official tax filing tool, as under FAIRtax, individuals would only file a simple annual statement.
The total displayed by FAIRtax Calculator is equivalent to your current Form 1040 items, including income tax, FICA, and Medicare. It also covers both your personal and employer portions of payroll tax, plus federal income tax embedded in product prices.
