Free CCTV & Security Camera Calculators
Security installers and site owners need answers based on camera count, bitrate, retention and equipment limits. These tools turn those inputs into practical planning estimates.
CCTV storage calculatorNVR hard drive calculatorsecurity camera calculator
Open a tool
All cctv & security tools
Choose the focused utility that matches the result you need.
Choose with confidence
How to choose the right tool
Start with the result the next step in your workflow expects. A smaller purpose-built utility is usually easier to test and explain.
- Use real camera bitrate when available.
- Add retention margin before buying drives.
- Treat estimates as planning values before final installer verification.
Common questions
About this collection
Are these cctv & security tools free?+
Yes. Every core tool in this collection can be used without payment or account registration.
Do the tools work on phones and computers?+
They are designed for current mobile and desktop browsers. Test important event, export or print workflows on the device you will actually use.
Is an account required?+
No. An optional account adds private history, but it does not unlock the core tool experience.