The calculator itself is very reliable. The issue is you don't know what you don't know until you've run a few workloads in AWS and seen the kind of hidden costs that you will run into. So I'd say your colleague is incorrect on the first part of their statement, but probably 100% correct on their second part. If you tell us which components you've priced, we can give some idea of what bits you might have missed. My personal experience is to budget 20-40% on top of the "common" components that are obvious (e.g. compute, storage, database) in the calculator, but others probably have different experiences. Answer from Advanced_Bid3576 on reddit.com
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AWS
calculator.aws
AWS Pricing Calculator
AWS Pricing Calculator lets you explore AWS services, and create an estimate for the cost of your use cases on AWS.
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Amazon Web Services
aws.amazon.com › products › cloud financial management › aws pricing calculator
AWS Pricing Calculator - AWS
1 week ago - AWS Pricing Calculator lets you create scenarios for new workloads or changes to existing workloads to get an estimated cost inclusive of discounts and purchase commitments. Get started by using the Billing and Cost Management console or access programmatically an available API to define the ...
Discussions

How reliable is the AWS Pricing Calculator?
Try this search for more information on this topic. Comments, questions or suggestions regarding this autoresponse? Please send them here . Looking for more information regarding billing, securing your account or anything related? Check it out here! I am a bot, and this action was performed automatically. Please contact the moderators of this subreddit if you have any questions or concerns. More on reddit.com
🌐 r/aws
16
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May 19, 2025
AWS Cost Calculator
yeah there are some good alternatives to the aws calculator. for automation, tools like recost.io or infracost can help track and optimize your aws costs without always using the web UI. if you want a breakdown of these options, check out this article that compares a bunch of them. More on reddit.com
🌐 r/aws
9
2
October 19, 2023
How can I estimate the cost a compute job on AWS?
Hi there, here's a guide that has tips to assist you with using our Pricing Calculator: https://go.aws/3ob6jWd . If this doesn't help, I recommend reaching out to our Support team here: http://go.aws/support-center . - Aimee K. More on reddit.com
🌐 r/aws
4
1
April 15, 2023
AWS Resource Explorer vs AWS Pricing Calculator?
What do you want to achieve? Resource explore is, well a tool to explore resources in your AWS accounts. For example search for a specific virtual machine. https://docs.aws.amazon.com/resource-explorer/latest/userguide/welcome.html The pricing calculator, well is a tool to calculate the pricing of a service. For example how much does it cost to run virtual machine for a month. https://calculator.aws/#/ More on reddit.com
🌐 r/aws
5
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May 25, 2024
People also ask

Is the AWS Price Calculator free to use?
Yes, our AWS Price Calculator is completely free. Create an account to save your quotes and get up to 50 pricing queries per month at no cost.
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AWS Price Calculator | Amazon Web Services Pricing & Cloud Quote ...
How accurate are the AWS pricing quotes?
Our pricing data is sourced from official AWS pricing sources and is regularly updated. We provide cost-effective recommendations based on your specific requirements, including comparisons between On-Demand, Reserved, and Spot instances.
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AWS Price Calculator | Amazon Web Services Pricing & Cloud Quote ...
Can I get an AWS cloud quote?
Yes! Our AWS Quote Builder helps you get instant pricing for all AWS services including compute, storage, databases, and serverless solutions with personalized recommendations.
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AWS Price Calculator | Amazon Web Services Pricing & Cloud Quote ...
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AWS
docs.aws.amazon.com › aws billing and cost management › user guide › generating estimates with pricing calculator
Generating estimates with Pricing Calculator - AWS Cost Management
The in-console AWS Pricing Calculator is an AWS Billing and Cost Management feature that enables you to estimate your planned cloud costs using your discounts and purchase commitments. You can use Pricing Calculator to assess the cost impact and understand the return on investment for migrating ...
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Artjoker
artjoker.net › blog › what is aws pricing calculator?
AWS Pricing Calculators to Help You Figure Out AWS Cost – ARTJOKER
April 3, 2025 - AWS Pricing Calculator is a new calculator, and unlike the outdated AWS Simple Monthly Price Calculator, all options here are very intuitive. On the configure page, you can enter customized details for your service calculator. Common information for all services on the configure page includes a description and selection of the AWS region to create the estimate for.
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NetApp
netapp.com › home › aws › aws-calculator
AWS cost calculator: Get your storage cost estimate | NetApp
August 28, 2025 - Utilize this AWS cost calculator to determine the total cost of ownership for cloud storage solutions on AWS with NetApp Cloud Volumes ONTAP.
Find elsewhere
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Reddit
reddit.com › r/aws › how reliable is the aws pricing calculator?
r/aws on Reddit: How reliable is the AWS Pricing Calculator?
May 19, 2025 -

I'm looking into AWS for a small business client who is overpaying for his Azure cloud solution.

I've created an estimate via calculator.aws, and the price seems very low. Like, "too good to be true" low. Not to mention that the Windows Server license is apparently included in the cost.

With that being said, a former colleague of mine told me that the AWS Pricing Calculator is unreliable and that the true cost will end up surpassing the estimate.

Is this really the case, or can I rely on the estimate provided by AWS' tool?

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Holori
holori.com › accueil › ultimate aws pricing calculator
Holori - Ultimate AWS pricing calculator
January 14, 2026 - Holori's AWS pricing calculator helps you select AWS instance types and estimate EC2 costs, S3 costs... and better understand AWS pricing structure
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Flexera
flexera.com › blog › finops › aws-pricing-calculator-calculate-aws-cost-like-the-pros
AWS Pricing Calculator: Calculate AWS costs like the pros
May 31, 2022 - Here are key advantages of the AWS Pricing Calculator: Model a cloud use case before building it. Explore specific price points and the calculations related to each estimate.
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Rikkeisoft
rikkeisoft.com › blog › aws-pricing-caculator
AWS Cloud Pricing Calculator Guide - Rikkeisoft - Trusted IT Outsourcing Provider
March 22, 2023 - In this article, you’ll learn about Amazon AWS cost calculator and models, as well as some tips to optimize AWS cost.
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Aws-news
aws-news.com › article › 019364fb-eecb-4194-2f5a-5e4abf5e12ab
Create your personalized cost estimate with the enhanced AWS Pricing Calculator (public preview)
AWS Pricing Calculator now offers personalized cost estimation with discount incorporation, enabling users to accurately forecast AWS workload costs directly i...
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Stock Titan
stocktitan.net › news › AMZN › meta-signs-agreement-with-aws-to-power-agentic-ai-on-aws-graviton-ze4qfb5p2ybp.html
AWS lands Meta deal for Graviton AI workloads | AMZN Stock News
2 weeks ago - GPUs are specialized computer chips originally designed to draw images on screens but now widely used to speed up tasks like artificial intelligence, scientific calculations, and data analysis. For investors, GPU demand is a signal about where computing power is being deployed — rising GPU sales can boost makers of chips and the datacenters that use them, influence supply chains and prices, and indicate which companies have a performance edge, much like a restaurant gaining an advantage by hiring many fast, skilled cooks.
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UIC Help Center
help.uillinois.edu › TDClient › 37 › uic › KB › ArticleDet
How can I estimate the costs of using Amazon Web Services (AWS)?
The AWS Pricing Calculator is a web-based planning tool that you can use to create estimates for your AWS use cases. You can use it to model your solutions before building them, explore the AWS service price points, and review the calculations ...
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Miro
miro.com › marketplace › aws-cost-calculator
AWS Cost Calculator + Miro | Team Collaboration Apps Marketplace
The Miro AWS cost calculator allows you to estimate AWS service price points, plan your AWS spend, and find cost-saving opportunities. For example, if you want to add another EC2 instance to handle your weekly spike traffic.
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Microsoft Azure
azure.microsoft.com › en-us › pricing › calculator
Pricing Calculator | Microsoft Azure
Configure and estimate the costs for Azure products and features for your specific scenarios.
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Investing.com
investing.com › news › analyst-ratings › bmo-capital-raises-amazon-stock-price-target-to-315-on-aws-growth-93CH-4632608
BMO Capital raises Amazon stock price target to $315 on AWS growth By Investing.com
2 weeks ago - Investing.com - BMO Capital raised its price target on Amazon.com Inc. (NASDAQ:AMZN) to $315 from $310 while maintaining an Outperform rating. The stock currently trades at $255.36, near its 52-week high of $258.60, having delivered a strong 41.4% return over the past year. The firm’s channel checks indicate AWS ...
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CloudZero
cloudzero.com › home › blog › the best aws cost estimation tools reviewed in 2024
The Best AWS Cost Estimation Tools Reviewed In 2025
November 14, 2024 - To address these issues, AWS introduced its own cost estimation tools. These include the Cost Explorer, the Pricing Calculator, AWS Budgets, AWS CloudWatch, AWS Trusted Advisor, and the AWS Cost and Usage Report. Each of these tools offers a thorough understanding of cloud costs.
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Pinecone
pinecone.io › pricing
Pricing | Pinecone
Search through billions of items for similar matches to any object, in milliseconds. It’s the next generation of search, an API call away.
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Costgoat
costgoat.com › compare › aws-pricing-calculator
AWS Pricing Calculator Review: Pros, Cons & Alternatives (2026)
AWS Pricing Calculator is a comprehensive, free tool for estimating AWS costs across 150+ services. It's powerful but complex — great for detailed architecture planning, overkill for quick "how much will Lambda cost me?" questions.
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Missioncloud
info.missioncloud.com › aws-pricing-calculator
AWS Pricing Calculator Spreadsheet | Mission
Mission Cloud's AWS Pricing Calculator spreadsheet includes data on all on-demand Amazon EC2 and RDS pricing, as well as all Reserved Instances pricing information.