The Engineering Library

Conductor sizing, protective device coordination, power quality, and distribution equipment sizing for power systems work.

• Voltage Drop Calculator
• Motor Full-Load Amps Lookup
• AC Power Triangle (kW/kVA/kVAR/PF)
• Arc Flash Incident Energy (Simplified Estimate)
• VFD Selection & Output Current Sizing
• Short-Circuit/Available Fault Current (First-Pass)
• Transformer Sizing & Impedance
• Generator Sizing Calculator
• UPS Sizing Calculator
• Cable Tray Fill Calculator
• …plus 22 more electrical calculators and lookup tables covering conductor sizing, protective device coordination, power factor correction, and panel/distribution design.

Mechanical design and materials calculators covering drives, structural members, and rotating and reciprocating machine elements.

• Belt/Pulley Drive Speed Calculator
• Beam Deflection Calculator
• Euler Column Buckling Calculator
• Combined Stress (Von Mises)
• Gear/Sprocket Train Ratio & Output Speed
• Flywheel Inertia, Energy & Accel/Decel Torque
• Material Properties Reference (Steel/Aluminum/Stainless)
• Bearing Life Calculator (L10)
• Spring Force Calculator
• …plus 12 more mechanical design and materials calculators.

Robot selection, kinematics, and end-of-arm tooling calculators for designing and sizing robotic work cells.

• Industrial Robot Payload/Reach Comparison (26 models: FANUC/ABB/KUKA/Yaskawa/UR)
• Delta Robot Inverse Kinematics
• Gantry/Cartesian Axis Servo Sizing
• Articulated Arm Joint Torque
• EOAT Gripper Force Sizing
• EOAT Vacuum Cup Sizing & Holding Force
• Robot Cycle Time & Throughput
• Cell Space & Safety Zone Requirement
• PLCopen Motion Control Function Block Reference
• …plus 8 more robot cell design and kinematics tools.

PLC, HMI, and SCADA sizing and reference tools, with Rockwell/Allen-Bradley references first among the platform-specific lookups.

• I/O Module Type Reference
• PLC Scan Time Estimator
• PLC Memory & Program Size Estimator
• PID Gain & Loop Tuning (Ziegler-Nichols)
• Alarm Rate & Flood Analysis
• Rockwell Logix Data Type Reference
• Allen-Bradley PLC Family Comparison
• SCADA Tag Count Estimator
• Historian Capacity Calculator
• …plus 14 more PLC, HMI, and SCADA sizing and reference tools.

Network sizing, protocol reference, and reliability calculators for plant-floor industrial networks.

• Modbus Function Code Reference
• Industrial Ethernet Cable/Connector Reference
• Subnet/CIDR Quick Reference
• Network Bandwidth Utilization
• Network Latency Budget
• Redundancy Analysis (Parallel Path Availability)
• Protocol Communication Load (EtherNet/IP, Profinet, Modbus, OPC-UA, SCADA)
• Industrial Network Protocol Comparison Reference
• …plus 3 more networking calculators.

Machine safety and functional safety calculators covering distance, risk, and safety-rated system verification.

• ISO 13855 Minimum Safety Distance Calculator
• PL/SIL Crosswalk Table
• LOTO Energy Source Reference
• Emergency Stop Analysis
• Risk Assessment Matrix/Risk Ranking
• Category → PL Determination
• MTTFd Calculator
• SIL Verification (PFDavg)
• Safety Scanner/Light Curtain Distance
• …plus 6 more machine safety and functional safety tools.

Hydraulic and pneumatic sizing calculators for cylinders, pumps, compressors, and system pressure/flow.

• Hydraulic Cylinder Force & Speed Calculator
• Pneumatic Cylinder Force Table
• Hydraulic Pump Sizing
• Hydraulic Accumulator Sizing
• Compressor Sizing
• Pneumatic Air Consumption
• Pneumatic Line Pressure Drop
• Hydraulic Power
• …plus 6 more hydraulic and pneumatic sizing tools.

Number systems, logic, and digital systems tools for engineers working close to firmware, PLC internals, and data acquisition.

• Number Base Converter
• Two's Complement Calculator
• IEEE 754 Float Decoder
• Boolean Logic Truth Table Generator
• PLC Timer/Counter Preset Calculator
• Ladder Logic ↔ Structured Text Reference
• CPU Utilization Estimate
• ADC Quantization & Theoretical SNR
• …plus 4 more digital systems tools.

Production rate, utilization, and throughput calculators for line and cell-level manufacturing analysis.

• Takt Time Calculator
• OEE Calculator
• Production Rate & Capacity Analysis
• Machine/Labor Utilization
• Downtime Analysis (MTBF/MTTR)
• Line Cycle Time, Bottleneck & Throughput
• Scrap Rate & Rolled Throughput Yield

Flow, thermal, and pressure-drop calculators for process piping and energy balance work.

• Mass Flow/Volumetric Flow Converter
• Tank Volume & Residence Time
• Sensible Heat Transfer/Heating-Cooling Load
• Process Energy Balance
• Process Efficiency
• Process Piping Pressure Drop

Process capability, measurement, and sampling calculators for statistical quality control.

• Process Capability (Cp/Cpk/Pp/Ppk)
• Sigma Level/DPMO
• Measurement Uncertainty (GUM Method)
• Gauge R&R (Average & Range Method)
• Defect Rate & First Time Yield
• Inspection Sampling/AQL Reference

Cost, schedule, and financial calculators for scoping and tracking engineering projects.

• Project Cost Estimate (Bottom-Up)
• Resource Loading
• Earned Value Management (EVM)
• Burn Rate & Runway
• ROI/NPV/IRR

Sizing and cost calculators for planning the compute, storage, and power behind AI/ML workloads.

• GPU Memory Estimate
• Inference Throughput
• Model & Embedding Storage
• Training Cost Estimate
• AI Power Consumption
• AI Infrastructure Sizing

Loop scaling and sensor reference tables for field instrumentation and process signals.

• 4-20mA Loop Scaling
• ISA-5.1 Tag Letters Reference
• Thermocouple Reference Tables
• RTD Reference Tables
• …plus 1 more instrumentation calculator.

Quick-reference lookup tables for common industrial standards and conventions.

• NEMA Enclosure Rating Reference
• Wire Color Code Reference
• GD&T Symbol Reference
• …plus 3 more standards/reference lookup tables.

System-level analyzer tools that review a full design against best practices, not just a single calculation.

• Control Panel Analyzer
• Robot Cell Analyzer
• Safety System Analyzer
• PROFINET Network Analyzer
• EtherNet/IP Network Analyzer
• AS-i Network Analyzer
• …plus 2 more system-level analyzer tools that review a full design against best practices, not just a single calculation.