IRS.gov provides a reliable tax calculator, but since this is your first time doing your taxes you may want to look into speaking with an accountant or at least using Turbo Tax.
You can find several great tax return calculators online. You can find them at www.taxback.com/can-tax-refund.asp and www.efile.com/tax-calculator/tax-estimator/.
You can find the 1040 form tax calculator for 2011 on certain websites. It can be found on www.efile.com/tax-calculator/tax-estimator/ and www.bankrate.com/calculators/tax.../1040-form-tax-calculator.aspx.
Good job on your own business in this economy. Here is a site where you can get that tax calculator. http://www.efile.com/tax-calculator/tax-estimator/
One website where you can find some of the pros and cons for the 401k calculator tax is: http://www.401kplanning.org/calculators-tools/401k-savings-calculator/
One can find a PAYE tax calculator for free on various websites. A reliable source would be The Federal Student Aid website which provides a free PAYE tax calculator.
For a good tax return calculator, start by going to efile's web site. Then click on "Tax Tools", which is the fourth menu on the top of the page. Then scroll down to "Tax Return Calculator".
You can go to irs.gov and use your tax repayment calculator. You can also go to your banking institution and have them use their repayment calculator as well.
You can look up a tax return calculator. You can try this website for some help www.efile.com/tax-calculator/tax-estimator/ and or you can try www.freefileonline.com"
I am unable to find a leaflet called the tax calculator 2013 but if you visit the HMRC website you will be able to calculate your tax and also find out if you are owed any money. Find them at www.hmrc.gov.uk
There's a lot of places online that you can fine a UK tax calculator. You can find one at HM Revenue & Customs since you can enter all of the important info to calculate the tax information for you.
The Microsoft website offers a comprehensive tax calculator, which is fully compatible with the Office suite. It is completely free to download and use.
At: www.paycheckmanager.com/free_payroll_calculator.aspx, you can find a free payroll tax calculator that is very easy to use with no downloads required!