PCBAvailable
PCB Trace Width Calculator
Estimate trace width, resistance, voltage drop, and power loss using IPC-2221 equations.
Calculator category
PCB Calculators
PCB calculators help translate circuit requirements into manufacturable board geometry and layout constraints. They support trace sizing, via current estimates, copper thickness decisions, and thermal design checks that matter in hardware design, power routing, and troubleshooting board-level reliability issues.
Available Calculators
10
Engineering Applications
4
Calculators
Each listed tool links to a working calculator with engineering inputs, formulas, examples, notes, and related resources.
PCBAvailable
PCB Current Capacity Calculator
Estimate trace ampacity, resistance, voltage drop, and power loss using IPC-2221 equations.
PCBAvailable
PCB Copper Thickness Calculator
Convert copper weight and thickness units and calculate trace cross-sectional area.
PCBAvailable
PCB Via Current Calculator
Estimate plated via resistance, current sharing, voltage drop, power loss, and loading risk.
PCBAvailable
PCB Voltage Drop Calculator
Calculate temperature-adjusted trace resistance, voltage drop, power loss, and rail loss percentage.
PCBAvailable
PCB Thermal Via Calculator
Estimate plated thermal-via conductance, parallel thermal resistance, heat flow, and temperature difference.
PCBAvailable
PCB Creepage Distance Calculator
Estimate preliminary surface creepage from working voltage, pollution degree, CTI group, and insulation type.
PCBAvailable
PCB Clearance Distance Calculator
Estimate required air clearance, reverse-check voltage bands, and validate an existing PCB gap.
PCBAvailable
PCB Differential Pair Impedance Calculator
Estimate single-ended and differential impedance for coupled microstrip or stripline routing.
PCBAvailable
PCB Microstrip / Stripline Impedance Calculator
Estimate single-ended impedance, effective dielectric constant, propagation velocity, and delay.
How to Use These Calculators
Start From the Engineering Question
Choose the calculator that matches the decision you need to make: decode a component marking, size a value, check a frequency response, estimate loss, or verify a safety margin. A category page is useful only when it helps you reach a working tool, so this page lists released calculators only.
Check Units and Assumptions
Calculator results depend on unit choices, idealized formulas, tolerance, temperature, frequency range, and component limitations. Review the formula and engineering notes on each calculator page before using the result in a schematic, BOM, or PCB layout.
Validate Against Real Parts
Use the calculated value as a design reference, then confirm it against datasheets, derating curves, layout parasitics, measurement conditions, and manufacturer limits. The related guides below provide background when a calculation needs more context.
Engineering Applications
PCB Trace Design
Copper Thickness
Current Carrying Capacity
Thermal Design
Related Engineering Guides
Engineering Guide
Understanding PCB Trace Width, Current Capacity and Temperature Rise
Understand PCB trace width, current capacity, copper thickness, temperature rise, trace resistance, voltage drop, I²R power loss, IPC-2221-style estimates, IPC-2152 guidance, and practical high-current routing checks.
22 min · Intermediate
Engineering Guide
PCB Via Current Capacity and Thermal Design Guide
Learn how PCB via diameter, plating thickness, board thickness, resistance, current density, parallel via arrays, voltage drop, I²R heating, thermal vias, and stackup affect reliable high-current via design.
21 min · Intermediate
Engineering Guide
PCB Controlled Impedance: Microstrip, Stripline, and Differential Pairs
Design controlled-impedance PCB traces using the ECParts microstrip, stripline, and differential-pair models with practical stackup and fabrication boundaries.
18 min · Intermediate
Engineering Blog
10 Common Engineering Unit Conversion Mistakes (and How to Avoid Them)
Avoid common engineering unit conversion mistakes involving SI prefixes, milli vs mega, micro vs nano, frequency and period, watts vs watt-hours, PCB mils, temperature, significant figures, and calculator inputs.
24 min · Intermediate
Engineering Blog
10 Common PCB Power & Trace Design Mistakes (and How to Avoid Them)
Avoid common PCB power and trace design mistakes including undersized traces, voltage drop, via bottlenecks, RMS-current errors, thermal issues, poor copper pours, and high-current layout problems.
24 min · Intermediate
Engineering Blog
10 Common Power Design Mistakes (and How to Avoid Them)
Avoid common power design mistakes involving watts versus watt-hours, unit prefixes, RMS current, power factor, efficiency, derating, thermal design, startup current, voltage drop, and undersized components.
17 min · Intermediate
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Power
Power electronics calculators for regulators, converters, thermal design, current estimates, and hardware margins.
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MOSFET calculators for switching loss, conduction loss, gate drive, thermal checks, and power hardware design.
Open →Converters
Use electronics conversion tools for frequency and period, AWG wire gauge, dBm and watts, hexadecimal, decimal, binary, and engineering workflows.
Open →