ADP® tools

Find payroll and retirement calculators, plus tax and compliance resources.

Calculators

Find calculators to help you and your employees with personal salary, retirement and investment decisions.

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Glossary

Find easy-to-understand definitions of key terms and acronyms.

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Tax guides & forms

Find copies of current unemployment, withholding, IRS, ADP and other forms using this extensive repository of tax and compliance-related materials.

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