Tools

• Add-On Rate to APR Converter

  Convert an add-on interest rate quote into the equivalent APR and see the extra interest an add-on loan costs over a simple-interest one.

• Amortization Schedule Calculator

  Month-by-month or year-by-year amortization table for any loan: payment, principal, interest and balance left, with a CSV download.

• Loan Payment Calculator

  Work out the monthly payment on a mortgage, auto or personal loan, with total interest and a principal-to-interest split, in your browser.

• Monthly Investment Calculator

  Project the value of a fixed monthly investment at an assumed return, with an optional yearly increase, and see contributions against gains year by year.

• CD Calculator

  Maturity value and interest on a certificate of deposit for any amount, APY and term, with monthly, quarterly or yearly compounding.

• Check Amount in Words

  Write a dollar amount in words for a check, in the standard "and 50/100 Dollars" form, or as plain words, with a copy button.

• EIN Validator

  Check the format of an Employer Identification Number in your browser: 9 digits with a valid IRS-assigned prefix, formatted as XX-XXXXXXX.

• Extra Payment Calculator

  See the interest a lump-sum extra payment saves on your mortgage or loan, comparing a shorter term with a lower monthly payment.

• How Much Can I Borrow Calculator

  Estimate how much you can borrow from your monthly income, existing debt payments and the debt-to-income limit lenders apply.

• Refinance Calculator

  Check whether refinancing your mortgage to a lower rate saves money after closing costs, and how many months it takes to break even.