IT Tools & Calculators
Free browser-based calculators for RAID, CCTV storage, VM sizing, subnets, passwords, and ransomware risk — built for IT managers and growing businesses.
6 free tools · no signup · runs in your browser
RAID Calculator
Estimate usable capacity, efficiency, and fault tolerance for common RAID levels.
Open toolSurveillance Storage Calculator
Estimate NVR and archive storage from cameras, resolution, retention, and codec.
Open toolVM & Host Sizing Calculator
Size ESXi-style hosts and clusters from VM workloads, CPU, and memory.
Open toolSubnet Calculator
IPv4 CIDR calculator with usable ranges, wildcard masks, and VLSM split planning.
Open toolPassword Strength Checker & Generator
Check password strength and generate strong random passwords offline in your browser.
Open toolRansomware Cost Calculator
Estimate the business cost of ransomware and data breaches across downtime, recovery, and reputation.
Open toolBuilt for real planning, not guesswork
Each tool includes live results plus a short guide with formulas and common mistakes. Use them to size hardware, brief a client, or pressure-test a design — then implement with Secure Techies when you need hands-on help.
Need the systems behind the numbers?
We design, secure, and manage IT for Southern California businesses — and support clients nationwide.
Talk to an engineer