# YourPCB - Free PCB Design Tools and Electronics Manufacturing Reference > Free online PCB design calculators, converters, viewers, and reference tools for electronics engineers, with 80+ tools and no signup required. > 💡 For AI agents: a complete bundle of all pages is at [/llms-full.txt](https://yourpcb.com/llms-full.txt) — single fetch ingests everything. ## About YourPCB provides free online tools for PCB designers and electronics engineers. The site includes calculators, converters, file viewers, and reference guides intended to help engineers design better PCBs faster. The About page states that tools are free to use with no signup required and references industry standards such as IPC-2221. ## Core Pages - [Home](https://yourpcb.com/) — [MD for AI](https://yourpcb.com/llms/index.md) - [About](https://yourpcb.com/about) — [MD for AI](https://yourpcb.com/llms/about.md) - [Services](https://yourpcb.com/services) — [MD for AI](https://yourpcb.com/llms/services.md) - [Tools](https://yourpcb.com/tools) — [MD for AI](https://yourpcb.com/llms/tools.md) - [Contact](https://yourpcb.com/contact) — [MD for AI](https://yourpcb.com/llms/contact.md) - [Blog](https://yourpcb.com/blog) — [MD for AI](https://yourpcb.com/llms/blog.md) ## Services - [4 Layer PCB Manufacturing](https://yourpcb.com/services/4-layer-pcb-manufacturing) — [MD for AI](https://yourpcb.com/llms/services/4-layer-pcb-manufacturing.md) - [4 Oz Copper PCB Fabrication](https://yourpcb.com/services/4-oz-copper-pcb-fabrication) — [MD for AI](https://yourpcb.com/llms/services/4-oz-copper-pcb-fabrication.md) - [5G Antenna PCB Manufacturing](https://yourpcb.com/services/5g-antenna-pcb) — [MD for AI](https://yourpcb.com/llms/services/5g-antenna-pcb.md) - [8 Layer PCB Manufacturing](https://yourpcb.com/services/8-layer-pcb) — [MD for AI](https://yourpcb.com/llms/services/8-layer-pcb.md) - [Aluminium PCB Manufacturer](https://yourpcb.com/services/aluminium-pcb-manufacturer) — [MD for AI](https://yourpcb.com/llms/services/aluminium-pcb-manufacturer.md) - [Fiber Optic Cable Assembly](https://yourpcb.com/services/assemblage-cable-fibre-optique) — [MD for AI](https://yourpcb.com/llms/services/assemblage-cable-fibre-optique.md) - [Auto Electrical Wiring Harness Manufacturers](https://yourpcb.com/services/auto-electrical-wiring-harness-manufacturers) — [MD for AI](https://yourpcb.com/llms/services/auto-electrical-wiring-harness-manufacturers.md) - [Automotive Wire Harness Clips](https://yourpcb.com/services/automotive-wire-harness-clips) — [MD for AI](https://yourpcb.com/llms/services/automotive-wire-harness-clips.md) - [Backplane PCB Manufacturing](https://yourpcb.com/services/backplane-pcb) — [MD for AI](https://yourpcb.com/llms/services/backplane-pcb.md) - [Bespoke Cable Manufacturers](https://yourpcb.com/services/bespoke-cable-manufacturers) — [MD for AI](https://yourpcb.com/llms/services/bespoke-cable-manufacturers.md) - [BGA Soldering Service](https://yourpcb.com/services/bga-soldering-service) — [MD for AI](https://yourpcb.com/llms/services/bga-soldering-service.md) - [Castellated Hole PCB Modules](https://yourpcb.com/services/castellated-hole-pcb-module) — [MD for AI](https://yourpcb.com/llms/services/castellated-hole-pcb-module.md) - [Circuit Board Assembly Services](https://yourpcb.com/services/circuit-board-assembly-services) — [MD for AI](https://yourpcb.com/llms/services/circuit-board-assembly-services.md) - [Connector Crimping and Soldering Services](https://yourpcb.com/services/connector-crimping-and-soldering-services) — [MD for AI](https://yourpcb.com/llms/services/connector-crimping-and-soldering-services.md) - [Controlled Impedance PCB Manufacturing](https://yourpcb.com/services/controlled-impedance-pcb-manufacturing) — [MD for AI](https://yourpcb.com/llms/services/controlled-impedance-pcb-manufacturing.md) - [Custom Circuit Board Service](https://yourpcb.com/services/custom-circuit-board) — [MD for AI](https://yourpcb.com/llms/services/custom-circuit-board.md) - [Custom Medical Cable Assemblies](https://yourpcb.com/services/custom-medical-cable-assemblies) — [MD for AI](https://yourpcb.com/llms/services/custom-medical-cable-assemblies.md) - [Custom PCB Assembly](https://yourpcb.com/services/custom-pcb-assembly) — [MD for AI](https://yourpcb.com/llms/services/custom-pcb-assembly.md) - [Deutsch Connector Assembly](https://yourpcb.com/services/deutsch-connector-assembly) — [MD for AI](https://yourpcb.com/llms/services/deutsch-connector-assembly.md) - [Electronic Assembly Services](https://yourpcb.com/services/electronic-assembly-services) — [MD for AI](https://yourpcb.com/llms/services/electronic-assembly-services.md) - [Epoxy Potting for Electronics](https://yourpcb.com/services/epoxy-potting-electronics) — [MD for AI](https://yourpcb.com/llms/services/epoxy-potting-electronics.md) - [Fast Turn Flex PCB](https://yourpcb.com/services/fast-turn-flex-pcb) — [MD for AI](https://yourpcb.com/llms/services/fast-turn-flex-pcb.md) - [Fast Turn PCB Manufacturing](https://yourpcb.com/services/fast-turn-printed-circuit-board-manufacturers) — [MD for AI](https://yourpcb.com/llms/services/fast-turn-printed-circuit-board-manufacturers.md) - [Flex Circuit Manufacturer](https://yourpcb.com/services/flex-circuit-manufacturer) — [MD for AI](https://yourpcb.com/llms/services/flex-circuit-manufacturer.md) - [FR-4 PCB Manufacturing](https://yourpcb.com/services/fr-4-pcb-manufacturing) — [MD for AI](https://yourpcb.com/llms/services/fr-4-pcb-manufacturing.md) - [Gold Finger PCB Manufacturing](https://yourpcb.com/services/gold-finger-pcb-manufacturing) — [MD for AI](https://yourpcb.com/llms/services/gold-finger-pcb-manufacturing.md) - [HDI PCB Manufacturer](https://yourpcb.com/services/hdi-pcb-manufacturer) — [MD for AI](https://yourpcb.com/llms/services/hdi-pcb-manufacturer.md) - [High Speed Backplane Connectors](https://yourpcb.com/services/high-speed-backplane-connectors) — [MD for AI](https://yourpcb.com/llms/services/high-speed-backplane-connectors.md) - [High Voltage Cable Manufacturer](https://yourpcb.com/services/high-voltage-cable-manufacturer) — [MD for AI](https://yourpcb.com/llms/services/high-voltage-cable-manufacturer.md) - [IATF 16949 Automotive PCB Manufacturing](https://yourpcb.com/services/iatf-16949-automotive-pcb-manufacturing) — [MD for AI](https://yourpcb.com/llms/services/iatf-16949-automotive-pcb-manufacturing.md) - [ICT Testing Service](https://yourpcb.com/services/ict-testing-service) — [MD for AI](https://yourpcb.com/llms/services/ict-testing-service.md) - [Industrial Wire Harness Manufacturing](https://yourpcb.com/services/industrial-wire-harness-manufacturing) — [MD for AI](https://yourpcb.com/llms/services/industrial-wire-harness-manufacturing.md) - [Instant PCB Quote](https://yourpcb.com/services/instant-pcb-quote) — [MD for AI](https://yourpcb.com/llms/services/instant-pcb-quote.md) - [Last Mile Delivery Vehicle Wiring Harness](https://yourpcb.com/services/last-mile-delivery-vehicle-wiring-harness) — [MD for AI](https://yourpcb.com/llms/services/last-mile-delivery-vehicle-wiring-harness.md) - [Low Volume PCB Manufacturing](https://yourpcb.com/services/low-volume-pcb-manufacturing) — [MD for AI](https://yourpcb.com/llms/services/low-volume-pcb-manufacturing.md) - [Low Volume Wire Harness Assembly](https://yourpcb.com/services/low-volume-wire-harness-assembly) — [MD for AI](https://yourpcb.com/llms/services/low-volume-wire-harness-assembly.md) - [Medical PCB Assembly](https://yourpcb.com/services/medical-pcb-assembly) — [MD for AI](https://yourpcb.com/llms/services/medical-pcb-assembly.md) - [Molex Connector Wire Harness Assembly](https://yourpcb.com/services/molex-connector-wire-harness-assembly) — [MD for AI](https://yourpcb.com/llms/services/molex-connector-wire-harness-assembly.md) - [Obsolete Connector Replacement](https://yourpcb.com/services/obsolete-connector-replacement) — [MD for AI](https://yourpcb.com/llms/services/obsolete-connector-replacement.md) - [PCB Assembly Prototype](https://yourpcb.com/services/pcb-assembly-prototype) — [MD for AI](https://yourpcb.com/llms/services/pcb-assembly-prototype.md) - [PCB Assembly USA](https://yourpcb.com/services/pcb-assembly-usa) — [MD for AI](https://yourpcb.com/llms/services/pcb-assembly-usa.md) - [PCB Fabrication Service](https://yourpcb.com/services/pcb-fabrication) — [MD for AI](https://yourpcb.com/llms/services/pcb-fabrication.md) - [PCB Manufacturer in USA](https://yourpcb.com/services/pcb-manufacturer-in-usa) — [MD for AI](https://yourpcb.com/llms/services/pcb-manufacturer-in-usa.md) - [PCB Stencil Service](https://yourpcb.com/services/pcb-stencil-service) — [MD for AI](https://yourpcb.com/llms/services/pcb-stencil-service.md) - [PCBA Rework Service](https://yourpcb.com/services/pcba-rework-service) — [MD for AI](https://yourpcb.com/llms/services/pcba-rework-service.md) - [Power Tool Wire Harness](https://yourpcb.com/services/power-tool-wire-harness) — [MD for AI](https://yourpcb.com/llms/services/power-tool-wire-harness.md) - [Quality Assurance: FAI, 8D, PFMEA](https://yourpcb.com/services/quality-assurance-fai-8d-pfmea) — [MD for AI](https://yourpcb.com/llms/services/quality-assurance-fai-8d-pfmea.md) - [RF Cable Assemblies](https://yourpcb.com/services/rf-cable-assemblies) — [MD for AI](https://yourpcb.com/llms/services/rf-cable-assemblies.md) - [Robotic Cable Assemblies](https://yourpcb.com/services/robotic-cable-assemblies) — [MD for AI](https://yourpcb.com/llms/services/robotic-cable-assemblies.md) - [Single Sided PCB Manufacturing](https://yourpcb.com/services/single-sided-pcb) — [MD for AI](https://yourpcb.com/llms/services/single-sided-pcb.md) - [SMT Assembly with Consigned Components](https://yourpcb.com/services/smt-assembly-consigned-components) — [MD for AI](https://yourpcb.com/llms/services/smt-assembly-consigned-components.md) - [SMD PCB Assembly](https://yourpcb.com/services/smt-pcb-assembly) — [MD for AI](https://yourpcb.com/llms/services/smt-pcb-assembly.md) - [Spring Probes Pogo Pins](https://yourpcb.com/services/spring-probes-pogo-pins) — [MD for AI](https://yourpcb.com/llms/services/spring-probes-pogo-pins.md) - [Through-Hole PCB Assembly](https://yourpcb.com/services/through-hole-pcb-assembly) — [MD for AI](https://yourpcb.com/llms/services/through-hole-pcb-assembly.md) - [Turnkey Electronics Manufacturing](https://yourpcb.com/services/turnkey-electronics-manufacturing) — [MD for AI](https://yourpcb.com/llms/services/turnkey-electronics-manufacturing.md) - [Wire Harness Contract Manufacturing](https://yourpcb.com/services/wire-harness-contract-manufacturing) — [MD for AI](https://yourpcb.com/llms/services/wire-harness-contract-manufacturing.md) ## Tools - [All Tools](https://yourpcb.com/tools) — [MD for AI](https://yourpcb.com/llms/tools.md) - [Calculators](https://yourpcb.com/tools/calculators) — [MD for AI](https://yourpcb.com/llms/tools/calculators.md) - [Converters](https://yourpcb.com/tools/converters) — [MD for AI](https://yourpcb.com/llms/tools/converters.md) - [File Viewers](https://yourpcb.com/tools/viewers) — [MD for AI](https://yourpcb.com/llms/tools/viewers.md) - [Reference](https://yourpcb.com/tools/reference) — [MD for AI](https://yourpcb.com/llms/tools/reference.md) ## Calculators - [555 Timer Calculator](https://yourpcb.com/tools/calculators/555-timer) — [MD for AI](https://yourpcb.com/llms/tools/calculators/555-timer.md) - [Air Core Inductor Calculator](https://yourpcb.com/tools/calculators/air-core-inductor) — [MD for AI](https://yourpcb.com/llms/tools/calculators/air-core-inductor.md) - [Battery Life Calculator](https://yourpcb.com/tools/calculators/battery-life) — [MD for AI](https://yourpcb.com/llms/tools/calculators/battery-life.md) - [Capacitor Charge Calculator](https://yourpcb.com/tools/calculators/capacitor-charge) — [MD for AI](https://yourpcb.com/llms/tools/calculators/capacitor-charge.md) - [dB Calculator](https://yourpcb.com/tools/calculators/db-calculator) — [MD for AI](https://yourpcb.com/llms/tools/calculators/db-calculator.md) - [Decoupling Capacitor Calculator](https://yourpcb.com/tools/calculators/decoupling-capacitor) — [MD for AI](https://yourpcb.com/llms/tools/calculators/decoupling-capacitor.md) - [Differential Pair Calculator](https://yourpcb.com/tools/calculators/differential-pair) — [MD for AI](https://yourpcb.com/llms/tools/calculators/differential-pair.md) - [Filter Calculator](https://yourpcb.com/tools/calculators/filter-calculator) — [MD for AI](https://yourpcb.com/llms/tools/calculators/filter-calculator.md) - [Frequency Wavelength Calculator](https://yourpcb.com/tools/calculators/frequency-wavelength) — [MD for AI](https://yourpcb.com/llms/tools/calculators/frequency-wavelength.md) - [Heat Sink Calculator](https://yourpcb.com/tools/calculators/heat-sink) — [MD for AI](https://yourpcb.com/llms/tools/calculators/heat-sink.md) - [Impedance Calculator](https://yourpcb.com/tools/calculators/impedance) — [MD for AI](https://yourpcb.com/llms/tools/calculators/impedance.md) - [Inductor Energy Calculator](https://yourpcb.com/tools/calculators/inductor-energy) — [MD for AI](https://yourpcb.com/llms/tools/calculators/inductor-energy.md) - [LC Resonance Calculator](https://yourpcb.com/tools/calculators/lc-resonance) — [MD for AI](https://yourpcb.com/llms/tools/calculators/lc-resonance.md) - [LED Resistor Calculator](https://yourpcb.com/tools/calculators/led-resistor) — [MD for AI](https://yourpcb.com/llms/tools/calculators/led-resistor.md) - [Ohm's Law Calculator](https://yourpcb.com/tools/calculators/ohms-law) — [MD for AI](https://yourpcb.com/llms/tools/calculators/ohms-law.md) - [Op-Amp Gain Calculator](https://yourpcb.com/tools/calculators/op-amp-gain) — [MD for AI](https://yourpcb.com/llms/tools/calculators/op-amp-gain.md) - [Parallel Series Resistor Calculator](https://yourpcb.com/tools/calculators/parallel-series-resistor) — [MD for AI](https://yourpcb.com/llms/tools/calculators/parallel-series-resistor.md) - [Power Dissipation Calculator](https://yourpcb.com/tools/calculators/power-dissipation) — [MD for AI](https://yourpcb.com/llms/tools/calculators/power-dissipation.md) - [RC Time Constant Calculator](https://yourpcb.com/tools/calculators/rc-time-constant) — [MD for AI](https://yourpcb.com/llms/tools/calculators/rc-time-constant.md) - [Thermal Via Calculator](https://yourpcb.com/tools/calculators/thermal-via) — [MD for AI](https://yourpcb.com/llms/tools/calculators/thermal-via.md) - [Trace Width Calculator](https://yourpcb.com/tools/calculators/trace-width) — [MD for AI](https://yourpcb.com/llms/tools/calculators/trace-width.md) - [Via Current Calculator](https://yourpcb.com/tools/calculators/via-current) — [MD for AI](https://yourpcb.com/llms/tools/calculators/via-current.md) - [Voltage Divider Calculator](https://yourpcb.com/tools/calculators/voltage-divider) — [MD for AI](https://yourpcb.com/llms/tools/calculators/voltage-divider.md) - [Voltage Drop Calculator](https://yourpcb.com/tools/calculators/voltage-drop) — [MD for AI](https://yourpcb.com/llms/tools/calculators/voltage-drop.md) - [Wire Gauge Calculator](https://yourpcb.com/tools/calculators/wire-gauge) — [MD for AI](https://yourpcb.com/llms/tools/calculators/wire-gauge.md) ## Converters and Viewers - [Capacitor Code Calculator](https://yourpcb.com/tools/converters/capacitor-code) — [MD for AI](https://yourpcb.com/llms/tools/converters/capacitor-code.md) - [Copper Weight Converter](https://yourpcb.com/tools/converters/copper-weight) — [MD for AI](https://yourpcb.com/llms/tools/converters/copper-weight.md) - [Number Base Converter](https://yourpcb.com/tools/converters/number-base) — [MD for AI](https://yourpcb.com/llms/tools/converters/number-base.md) - [Resistor Color Code Calculator](https://yourpcb.com/tools/converters/resistor-color) — [MD for AI](https://yourpcb.com/llms/tools/converters/resistor-color.md) - [PCB Unit Converter](https://yourpcb.com/tools/converters/unit) — [MD for AI](https://yourpcb.com/llms/tools/converters/unit.md) - [Gerber Viewer](https://yourpcb.com/tools/viewers/gerber-viewer) — [MD for AI](https://yourpcb.com/llms/tools/viewers/gerber-viewer.md) ## Reference - [Cable Assembly Guide](https://yourpcb.com/tools/reference/cable-assembly-guide) — [MD for AI](https://yourpcb.com/llms/tools/reference/cable-assembly-guide.md) - [DFM Design Rules](https://yourpcb.com/tools/reference/dfm-design-rules) — [MD for AI](https://yourpcb.com/llms/tools/reference/dfm-design-rules.md) - [EDA Comparison](https://yourpcb.com/tools/reference/eda-comparison) — [MD for AI](https://yourpcb.com/llms/tools/reference/eda-comparison.md) - [EDA Shortcuts](https://yourpcb.com/tools/reference/eda-shortcuts) — [MD for AI](https://yourpcb.com/llms/tools/reference/eda-shortcuts.md) - [FFC Cable Guide](https://yourpcb.com/tools/reference/ffc-cable-guide) — [MD for AI](https://yourpcb.com/llms/tools/reference/ffc-cable-guide.md) - [PCB Glossary](https://yourpcb.com/tools/reference/glossary) — [MD for AI](https://yourpcb.com/llms/tools/reference/glossary.md) - [Medical Wire Harness](https://yourpcb.com/tools/reference/medical-wire-harness) — [MD for AI](https://yourpcb.com/llms/tools/reference/medical-wire-harness.md) - [Military Cable Assembly](https://yourpcb.com/tools/reference/military-cable-assembly) — [MD for AI](https://yourpcb.com/llms/tools/reference/military-cable-assembly.md) - [PCB Stackup](https://yourpcb.com/tools/reference/pcb-stackup) — [MD for AI](https://yourpcb.com/llms/tools/reference/pcb-stackup.md) - [SMD Code](https://yourpcb.com/tools/reference/smd-code) — [MD for AI](https://yourpcb.com/llms/tools/reference/smd-code.md) - [Surface Finish](https://yourpcb.com/tools/reference/surface-finish) — [MD for AI](https://yourpcb.com/llms/tools/reference/surface-finish.md) ## Standards & Capabilities - The home page claims 80+ free online calculators, converters, and reference tools for electronics engineers. - The About page lists calculators, converters, viewers, and reference guides, and says calculator accuracy is built with industry standards such as IPC-2221. - The tools hub highlights a trace width calculator for IPC-2221 current capacity, an impedance calculator for microstrip and stripline work, and a Gerber viewer for PCB file preview. - The PCB fabrication service page discusses IPC-A-600, IPC-6012, IPC-2221, IPC-A-610, IPC-J-STD-001, and ISO 9001:2015 as standards commonly relevant to PCB fabrication and assembly context. ## Related PCB & EMS Sites (sibling network) - [pcb-assemblage (Dutch)](https://pcb-assemblage.com/llms.txt) — Dutch-speaking - [pcbitalian (Italian)](https://pcbitalian.com/llms.txt) — Italian-speaking - [pcblithuania (Lithuanian)](https://pcblithuania.com/llms.txt) — Lithuanian-speaking - [pcbthailand (Thai)](https://pcbthailand.com/llms.txt) — Thai - [pcbleiterplatte (German)](https://pcbleiterplatte.com/llms.txt) — German-speaking - [pcbassemblykorea (Korean)](https://pcbassemblykorea.com/llms.txt) — Korean - [wellpcb-romania (Romanian)](https://wellpcb-romania.com/llms.txt) — Romanian-speaking