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Log Retention & Storage Calculator – Visualize Your Disk Needs in Seconds

Need to know how much space your logs will eat over the next month, quarter, or year? Our browser-based Log Retention & Storage Calculator lets you model daily log volume, compression, retention length, and hot/warm/cold tiering to get an instant storage estimate with a beautiful growth graph.

Why it matters

Under-sizing volumes leads to outages, while over-sizing wastes budget. With this tool you can:

  • Right-size on-prem disks or cloud object storage
  • Show stakeholders the impact of compression settings
  • Quickly compare retention policies during audits
  • Plan for SIEM or central logging deployments

Features you’ll love

  • Real-time calculations as you slide 📊
  • Dark-mode ready for late-night war rooms 🌙
  • No server, no tracking – everything happens in your browser
  • State saved locally so you can pick up where you left off

Give it a spin below, then check out our other utilities like the Port Range Scanner or the Log Parser Visualizer for more troubleshooting power.

Launch the Log Retention & Storage Calculator

My name is Skylar Pearce, I have been working as a System Administror since 2013 as well some side consulting work. During my career I have worked with everything from Active Directory and vCenter to configuring routers and switches and phone systems, documenting and scripting my way through the whole thing. I have a Security+ certification and am currently working on my PenTest+. Throughout my career I have gained almost all of my knowledge from blogs like this. It is now time for me to pay it back. Over time I have gathered scripts and tricks over the years that I will share on this site. A lot of the posts here will be mainly reference posts, some will be full on how to’s. I am happy to go into more depth on any other topics I go over here, just make a comment on a post. I will do my best to post once a day on weekdays but as I run out of ideas it may slow down. My WordPress skills are still growing so the site will likely get better over time as I learn. You can reach me at contact@allthesystems.com or on LinkedIn