We also have a calculator on our pricing page that our customers tell us thats helpful - https://railway.app/pricing you can input your estinmated workload on there to determine
Railway is entirely self-serve. (No pesky sales people to call!) Usually the best advice we give is to deploy the workload on the free plan, and you can get an accurate estimate of the usage costs fairly quickly.
Coming from a major public cloud? We offer quotes to those who are moving from AWS, GCP, or Azure. Contact firstname.lastname@example.org