Infrastructure Classification

Tier Advisor

Map your data center's power, cooling, network, and site infrastructure to Uptime Institute Tier I-IV, TIA-942 Ratings 1-4, and EN 50600 Availability Classes — with regional compliance overlays for 12+ jurisdictions.

Tier Advisor — Data Center Tier Classification Calculator

What is Tier Classification?

The Uptime Institute Tier Standard classifies data centers from Tier I (basic, 99.67% availability) to Tier IV (fault tolerant, 99.995% availability) based on infrastructure topology and redundancy. TIA-942-B uses "Rated" levels 1-4 with additional telecom and security requirements. EN 50600 defines Availability Classes VK1-VK4 aligned with European standards.

This calculator maps your actual infrastructure against all four major frameworks simultaneously, identifies which subsystem limits your classification, and shows exactly what upgrades are needed to reach the next level.

6 input sections 4 framework mappings 12+ regional standards PDF reports
FREE MODE
Facility Profile
Type, capacity, and building characteristics
Power Infrastructure
Utility, generators, UPS, and distribution
Cooling Infrastructure
Redundancy, distribution, and cooling type
Network & Connectivity
Entry points, carriers, and meet-me rooms
Physical Security & Fire
Suppression, access control, and monitoring
Regional Compliance
Unlock regional compliance overlays for 12+ jurisdictions
Regional Compliance PRO
Jurisdiction-specific requirements
Classification Result
Tier III
Concurrently Maintainable
72
Score
B
Grade
88%
Confidence
Uptime Institute
Tier III
TIA-942-B
Rated 3
EN 50600
VK3
BICSI 002
Class F3
Subsystem Scores
Power
70
Cooling
65
Network
72
Physical
55
Monitoring
65
Gap Analysis

Calculating...

Recommendations
Pro Analysis
Regional compliance, cost estimates, Monte Carlo confidence
Pro Analysis PRO
Regional Score
Upgrade Cost Est.
MC P50 Score
Tier Probability
Subsystem Radar
Subsystem vs Tier Thresholds
Pro Charts
Monte Carlo histogram, sensitivity tornado, cost waterfall
Monte Carlo Distribution PRO
Sensitivity Analysis PRO
Pro Deep Dive
Cost estimator, regional compliance checklist
Cost-to-Upgrade Estimator PRO
Upgrade ActionCost RangeImpact
Regional Compliance PRO

Select a region in the Regional Compliance section to see jurisdiction-specific requirements.