DCIM Professionals.Infrastructure.Planned properly.
Free tools for cabling, rack power, cooling and DCIM
— built for real infrastructure work.
Every Tool
Your Infrastructure Needs.
Professional-grade tools for data center planners, network engineers and infrastructure consultants. Free, ungated, export-ready.
Slide through the live tools.
Engineering-grade calculators built for daily infrastructure work.

Patch Cord Length Calculator
Calculate patch cord lengths by rack position, routing path and slack allowance.
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Structured Cabling Estimator
Estimate cable quantities, routes and material needs for cabling projects.
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Patch Cord Row Distance Calculator
Estimate patch cord length for same-rack and row-to-row routing.
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Conduit Fill Calculator
Calculate conduit fill from cable OD, quantity, conduit ID and target fill.
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Voltage Drop Calculator
Calculate voltage drop for copper and aluminium conductors by length, current and cross-section.
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Circuit Load Calculator
Calculate circuit load, current draw, utilization and recommended breaker sizing.
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Home Electrical Material Estimator
Estimate cable length buckets, circuits, sub-panels and panel module planning notes.
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Industrial Electrical Material Estimator
Estimate three-phase cable, containment, sub-distribution and motor-circuit material buckets.
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Rack Power Calculator
Real, apparent and reactive power for servers, UPS systems and rack PDUs.
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UPS Runtime Calculator
Runtime by battery capacity, load and efficiency factors for any UPS system.
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IP Subnet Calculator
Subnets, broadcast addresses, host ranges and CIDR notation instantly.
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VLAN Planner
Plan and document VLAN segmentation, trunk assignments and inter-VLAN routing.
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MAC Address Lookup
Identify the vendor behind any MAC address using the OUI registry.
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DNS Record Checker
Query live A, AAAA, MX, TXT, CNAME, NS and SOA records via Cloudflare DNS.
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Fiber Loss Budget Calculator
Calculate total dB loss across a fiber link. Add cable sections, connector pairs, splices and passive components. Check budget margin and export the link list.
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Cable Tray Fill Calculator
Calculate tray fill % from cable ODs and quantities. Track mixed cable types, check NEC 392 / IEC 61537 limits and export the cable schedule as CSV or Excel.
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Battery Backup Estimator
Size a UPS battery bank from your load list. Enter battery type, DC bus voltage and derating factors — get required Ah, total batteries and runtime verification.
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Generator Sizing
Size a standby, prime or continuous diesel generator per ISO 8528. Enter connected load, duty class, altitude and temperature — get required kVA, next standard size, output current and fuel autonomy.
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Airflow CFM Calculator
Calculate required CFM / m³/h for server rooms and data centres. Build a rack load list, set ΔT and altitude — get cooling tons and ASHRAE class.
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Cable Ampacity Calculator
Build a circuit list with AWG or mm² conductors, apply NEC 310.15 / IEC 60364 temperature and conduit fill derating — get final ampacity and recommended breaker size.
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PUE Calculator
Calculate Power Usage Effectiveness and DCiE from IT load, cooling, electrical losses and lighting — with efficiency benchmarks and annual overhead cost.
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Rack Weight & Raised Floor Load Calculator
Build up rack mass, combine point loads per EN 12825 panel-grid rules and check static, dynamic/installation and slab area load against your raised floor.
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kVA / kW / Amps Converter
Convert between apparent power (kVA), real power (kW) and current for single- and three-phase systems — with power factor.
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Fuse & Breaker Sizing
Coordinate a gG fuse or MCB with the conductor per IEC 60364-4-43 — IB ≤ In ≤ IZ and I₂ ≤ 1.45·IZ.
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EV Charging Calculator
Calculate EV charging time, energy and cost for wallbox charging, or size grid-connection capacity for a commercial charging site.
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Fusebox Diagram Generator
Enter your circuits and generate a print-ready distribution-board diagram with circuit schedule as PDF.
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PoE Power Budget Calculator
Check whether a PoE switch can power all connected devices — device list by IEEE class, cable loss, headroom and thermal derating.
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Energy Cost Calculator
Calculate electricity consumption and running cost per device — your own kWh rate, choose currency, optional solar feed-in for net cost.
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IP Camera Bandwidth Calculator
Calculate network bandwidth for IP camera systems — resolution, frame rate, codec, scene complexity and camera count, with uplink check.
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NVR Storage Calculator
Calculate NVR/CCTV storage — cameras, resolution, codec, recording mode and retention, with usable-capacity and RAID overhead.
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Infrastructure TCO Calculator
Multi-year total cost of ownership for a server room / small data center — CapEx and OpEx (power via PUE, staffing, space), per rack and per kW.
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AI / GPU Infrastructure Power & Cost
Facility power, cooling and running cost for GPU/AI workloads — rack density with an air/liquid-cooling verdict, annual cost at your own kWh rate.
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Cooling Load Calculator
Estimate cooling demand, BTU/h, tons, airflow and temperature-rise risk.
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BTU / kW Converter
Convert kW, W, BTU/h, refrigeration tons and kcal/h instantly.
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CRAC / CRAH Sizing
Size precision cooling units with derating, utilization and redundancy.
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ASHRAE Envelope Checker
Check temperature, humidity and dew point against ASHRAE-style envelopes.
Open calculator →14 engineering
specialisations.
Each category contains dedicated tools for a specific domain of infrastructure and DCIM planning.
View all categories →Network & IP
Subnetting, VLAN planning, port capacity and IP address documentation.
Structured Cabling
Cable quantities, tray sizing, patch cord lengths and termination counts.
Rack & DCIM
Rack space planning, U-height allocation, weight capacity and elevation views.
Power & UPS
Power consumption, PDU loading, circuit sizing and power factor correction.
Cooling & Energy
BTU/kW heat load, airflow, PUE calculations and cooling capacity planning.
Project Planning
Material take-offs, scope estimation, handover checklists and documentation exports.
Built for real
infrastructure workflows.
Every tool is designed around actual field workflows used by infrastructure engineers, contractors and DCIM consultants.
Planning
Pre-project estimation for scope definition, material take-offs and preliminary design.
Documentation
Generate cable schedules, rack layouts and equipment lists in structured formats.
Handover
Produce clean deliverables that satisfy client, auditor and operations requirements.
Export-ready
All calculations export to CSV or PDF — plug results directly into your project files.

Need help with your
infrastructure project?
DCIM Professionals is the free tools and reference hub. For hands-on planning, on-site deployment and full-scope infrastructure consulting — talk to ITCOREOPS.
DCIM Professionals is the free planning companion to ITCOREOPS consulting services.






