Google Cloud Platform Calculator

https://cloudpricingcalculator.appspot.com/

or

https://cloud.google.com/products/calculator

Amazon Web Services Calculator

https://calculator.aws/#/

Microsoft Azure Calculator

https://azure.microsoft.com/en-us/pricing/calculator/

Oracle Cloud Infrastructure Calculator

https://www.oracle.com/cloud/costestimator.html

IBM Cloud Calculator

https://www.ibm.com/cloud/cloud-calculator

Alibaba Cloud Calculator

https://www.alibabacloud.com/pricing-calculator#/commodity/vm_intl

Huawei Cloud Calculator

https://www.huaweicloud.com/intl/en-us/pricing/index.html#/ecs