Answer: TCO Tool, Pricing Calculator

To effectively estimate the costs of using GCP services, Google offers several tools. The **Pricing Calculator** allows for a straightforward estimation of your GCP usage by detailing services like Compute Engine instances and persistent disks. Additionally, the **TCO Tool** helps in assessing the total cost of ownership for migrating to GCP. These tools are invaluable for planning and budgeting your cloud infrastructure. For more details, visit [Google Cloud Pricing Calculator](https://cloud.google.com/products/calculator) and [TCO Assessment Tool](https://inthecloud.withgoogle.com/tco-assessment-19/form.html).

Author: LeetQuiz Editorial Team