Microsoft has recently released a new version of it Azure online calculator.
The Windows Azure Platform Pricing Calculator, provide you with an estimate of costs if you were to use the Windows Azure platform based on your specific inputs.
You should not view the results of this report as a substitute for engaging with a third party expert to independently evaluate you or your company’s specific computing needs. The analysis report you will receive is for informational purposes only but its a great starting point a looking at the potential costs of cloud services using Microsoft Azure Platform.
For more details please visit http://www.microsoft.com/windowsazure/pricing-calculator/