"CFS has the best customer service in the industry -- bar none." Shani Corbiere, Houston, TX
W4 Calculator ™
Adjust Payroll Withholding Throughout the Year
Purchase Options
W4 Calculator $89.00Buy Now
W4 Calculator Renewal $49.00 Renew
W4 Calculator plus Network Upgrade$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
Specials
New users: get 2018 and 2019 for $89.00 !

Screenshots
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Features
Released in January of each year
Features:
  • 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, Windows Vista, Windows XP, Windows Server 2016, Windows Server 2012, Windows Server 2008, Windows Server 2003
  • Processor and RAM appropriate for the operating system
  • Minimum 100MB hard drive space
  • Windows printer and a CD-ROM drive