"CFS TaxTools is a great product, their tech support is beautiful--and overall I give it an A rating." Evan Golar, Monsey, NY
W4 Calculator ™
Adjust Payroll Withholding Throughout the Year
Purchase Options
W4 Calculator
First-Time Purchase
$89.00Buy Now
W4 Calculator Renewal $49.00 Renew
W4 Calculator plus Network Upgrade
First-Time Purchase
$139.00Buy Now
W4 Calculator Renewal plus Network Upgrade$99.00 Renew
W4 Calculator Network Upgrade Only
(Add to cost of single user program)
$50.00Buy Now
New users: get 2021 and 2022 for $89.00 !

Released in January of each year
  • Projects taxable income and calculates required withholding allowances
  • Enter YTD data for increased accuracy in mid-year calculations
  • Allows your clients to plan their refunds
  • Prints Form W-4, W-4P, W-4V, DE-4, and DE-4P
  • Prints Form 1040-ES and 540-ES
  • Includes paycheck withholding calculator
  • Includes standard and custom invoice generator
  • Imports clients and preparers from other CFS programs and from other major tax preparation programs
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System Requirements
  • OS: Windows 10, Windows 8.1, Windows 7 SP1, Windows Server 2019, Windows Server 2016, Windows Server 2012, Windows Server 2008 R2 SP1
  • Processor and RAM appropriate for the operating system
  • Minimum 100MB hard drive space