Calculators and Conversion Tables

• Amortization calculator—Also a mortgage calculator that lets you keep recalculating based on a higher down-payment or added amounts to monthly payments.
• Bonus calculator—aggregate method. Uses regular federal withholding rates. Use if your state allows the aggregate method. Free registration required.
• Bonus calculator—percent method. Uses supplemental withholding rates. Use if your state does not have a supplemental withholding rate and permits the percent method. Free registration required.
• Calendar calculator—generate a calendar for any month.
• Car lease payment calculator—lays out the future costs of an auto lease.
• CD calculator—shows payout at maturity based on initial deposit, interest, term and period of compounding (daily, weekly, monthly, etc.).
• Currency converter—converts any currency into any other.
• Currency converter—converts any currency into any other.
• Financial Calculators—Any financial calculator you need.
• Gross-up calculator—when you want an employee's bonus to include payment of the taxes the employee would have had to pay on the bonus. Free registration required.
• Hourly employee paycheck calculator—includes filing status, deductions, state withholding, exemptions, other withholding etc. Free registration required.
• Loan calculator—calculates loan payment amounts; savings and annuity amounts and future value.
• Mathematical functions—from basic to PhD level.
• Measurement converter—converts any measure to any other.
• Monthly compounding calculator—takes an amount and compounds it monthly over a fixed period at a fixed annual yield. Allows added monthly contributions.
• Monthly mortgage payment table calculator—generates a table of monthly payments.
• Number of days calculator—calculate the number of days between any two dates.
• Public employee paycheck calculator—for federal, state, and local governments. Free registration required.
• Time zones—zone-by-zone times worldwide.
• Tip tax calculator—if your employees receive tips. Free registration required.