# Data Center Engineer Toolkit

> PUE Cooling Rack Power Fiber

Canonical page: [https://chrome-stats.com/d/id6761987963](https://chrome-stats.com/d/id6761987963)

## Overview

- **ID:** `id6761987963`
- **Platform:** Apple
- **Type:** Apple app
- **Status:** Available
- **Publisher:** Shanghai Sheyuan Network Technology Co., Ltd.
- **Category:** Utilities
- **Version:** 1.0.10
- **Last updated:** 2026-07-01
- **First published:** 2026-04-10
- **Size:** 1.29 MB
- **Data as of:** 2026-09-22
- **Store listing:** [Apple App Store](https://apps.apple.com/us/app/data-center-engineer-toolkit/id6761987963)
- **Website:** [https://calcspec.com/app-privacy.html](https://calcspec.com/app-privacy.html)
- **Privacy policy:** [https://calcspec.com/app-privacy.html](https://calcspec.com/app-privacy.html)

## Description

9 professional data center calculators in one app. PUE, cooling, power density, PDU balance, UPS runtime, fiber optics, and more.

Running a data center and need quick PUE analysis, cooling tonnage, or floor load checks on site? Tired of spreadsheets for PDU load balancing and cable sizing? This app puts 11 professional data center calculators in your pocket — all offline, no subscription.

FREE CALCULATORS:
- PUE / DCiE Calculator: Power Usage Effectiveness and Data Center Infrastructure Efficiency with annual energy cost estimates
- UPS Runtime: Battery backup runtime with inverter efficiency and power factor
- Raised Floor Load & Tile Airflow: Floor tile bearing capacity check plus perforated tile CFM calculation for rack cooling adequacy

PRO CALCULATORS (one-time $19.99 unlock):
- Rack Heat & Cooling: Cooling tons, airflow CFM, and water flow GPM based on rack power and PUE
- Rack Power Density: Amps per rack, power density in kW/m2, cable sizing, and breaker requirements
- PDU Load Balance: Three-phase load balancing with imbalance percentage and per-phase capacity
- CDU Flow Rate: Liquid cooling flow rate, pressure drop, and pump horsepower for water and glycol
- DC Bus Voltage Drop: Cable sizing with voltage drop for copper and aluminum conductors
- Breaker Derate Quick-Check: NEC temperature and conductor fill derating with selective coordination ratio check
- Fiber Count Planner: Fiber optic cable count with patch panel and splice tray sizing
- Fiber Pull Tension: Pulling tension, bend radius, and conduit fill ratio with pass/fail check

REFERENCE TABLES (Pro):
42U rack specs, PUE benchmarks, cooling system comparison, wire ampacity, Uptime Institute Tier standards, and fiber optic specifications.

Built for facility engineers, infrastructure designers, colocation operators, and data center technicians. All calculations offline. No account or login required.

## Rankings

- #2,236,006 — Overall

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Source: [Chrome-Stats](https://chrome-stats.com/d/id6761987963)