Ohms Law Calc. vs Data Center Engineer Toolkit

Ohm's Law Calc. consists of 60 Electrical Calculators with Formulas and Circuits and 16 Electrical Converters. • Voltage Calculator • Current Calculator • Resistance Calculator • Power Calculator • Voltage Drop Calculator • Wire Size Calculator • DC Generator Calculator • Transformer Calculations (Voltage & Current) Impedance Calculators Calculate impedance for combinations of resistors (R), inductors (L), and capacitors (C) in both series and parallel configurations: • R and L in Series / Parallel • R and C in Series / Parallel • L and C in Series / Parallel • R, L and C in Series / Parallel Power and Current Conversions • kVA to Amps (Single Phase & Three Phase) • Amps to kVA (Single Phase & Three Phase) • Single Phase & Three Phase Power Calculators • Horsepower Calculators (DC, Single Phase, Three Phase) Efficiency and Power Factor Tools • Efficiency Calculators (DC, Single Phase, Three Phase) • Power Factor Calculators (Single Phase & Three Phase) Energy Storage Calculators • Energy Cost Calculator • Energy Storage Calculators (Resistance, Inductance, Capacitance) Circuit Design Tools • Star-to-Delta and Delta-to-Star Conversions • Inductive & Capacitive Reactance Calculators • Resonant Frequency Calculator • Inductor and Capacitor Sizing Equations Component Calculations • Series and Parallel Calculators for Resistance, Inductance, and Capacitance • Unknown Resistance and Capacitance Calculators (Series & Parallel) More Calculations • Neutral Current (3-Phase Unbalanced Loads) • Characteristic Impedance (Parallel & Coaxial) • Transformer Calculator • Voltage Divider Calculator Illumination Calculators • Luminous Intensity Calculator • Luminous Flux Calculator • Solid Angle Calculator Electrical Converters • Field Strength Converter • Electrical Potential Converter • Resistance and Resistivity Converters • Conductance and Conductivity Converters • Capacitance and Inductance Converters • Charge Converters: Handles conversions for electrical charge, including: • Linear Charge Density • Surface Charge Density • Volume Charge Density • Linear Current Density • Surface Current Density • Power Converter App works with both iPhones, iPads and Mac Multiple Unit Compatibility: Supports a wide range of units for all electrical parameters, including Ohms, kiloOhms, Farads, Henrys, kVA, Volts, Weber, 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.