As mentioned in previous posts, AWS EC2 allows you replace capital expenditure with operational expenses. To that effect, came up with a calculator to let you predict your monthly cost, based on your input. You can also use it to predict what will happen in case of the best and worst scenarios, whether you need more or less computing capacity due to user traffic. The calculator takes into account any changes in the AWS price model.
The Services Tab
Upon opening the calculator you will find yourself at the Services tab. The leftmost part contains the updated list of AWS services. In the middle portion you can input variables into fields for the calculator to tabulate. On the right side is a menu for typical set-ups in AWS.
- Select the region you want to use from the “Choose region” dropdown box.
- Select a service you want to make estimates for. For example, AWS EC2.
- Input your variables for the service. Note that in some cases (EC2, RDS, ElastiCache), you may add several lines for variables by click the “Add row” button.
For EC2, you will need to enter the number of instances, their type, how many you want to use, what instance type, and billing option. You can also select some optional features, such as EBS, Elastic IP, Bandwidth, and Elastic Load Balancing.
- Check the Monthly Bill tab indicator to see the running total of your inputs.
- If you prefer you can also click on any item on the right menu to look at preset configurations. These are typical AWS set-ups that you may use as guides.
The Monthly Bill Tab
Clicking on this tab will show the breakdown of your monthly costs per service.
- If you want to go back to a particular service to change your input, just click on the line item.
- You may also save and share by clicking on the button at the top of the menu.
Note the following:
- You pay less when you reserve services.
- You pay less when you order more of a specific unit.
- As AWS grows in terms of economies of scale, it passes its earnings back to the consumer in the form of cheaper services. As such, your monthly calculation may change over time. Be sure to check back regularly and see if your assumptions are still on the mark.
Once you have finished your calculations, it’s time to decide what to do. Cost estimation is just one step in forming an effective cloud adoption strategy. You’ll also want to assess security, best practices, and what services will best fit your company’s needs. Feel free to contact PolarSeven’s AWS-certified cloud professionals for expert advice.
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