Standard Clarity
Calculators

All Calculators

Every Standard Clarity tool in one place - each tied to the IPC, IEC, UL, NEMA or NEC clause it comes from.

AWG to mm² Converter

ASTM B258

Convert American Wire Gauge to diameter and cross-section and back, with copper…

Capacitor Code Calculator

IEC 60062

Decode the markings on a ceramic, film or SMD capacitor into picofarads,…

Creepage & Clearance Calculator

IEC 60664-1

Work out the minimum clearance and creepage distance for an insulation barrier…

IP & NEMA Rating Decoder

IEC 60529 / NEMA 250

Decode any IP code or NEMA enclosure type in plain language, and…

mAh to Wh Calculator

Energy = charge x voltage

Convert a battery rating in milliamp-hours (mAh) to watt-hours (Wh), and back,…

NEMA Enclosure Type Selector

ANSI/NEMA EN 10250-2024

Describe the environment and get the NEMA 250 enclosure type that matches…

PCB Impedance Calculator

IPC-2141A

Find the characteristic impedance of a microstrip, stripline or grounded coplanar (CPWG)…

PCB Trace Width Calculator

IPC-2221

Size a copper trace by the IPC-2221 constant-current method, for external and…

PCB Via Current Calculator

IPC-2221

Size a plated through-hole via, or a via array, for the current…

PCB Trace Resistance Calculator

IPC-2221C

Find the DC resistance, voltage drop and power loss of a copper…

UL 94 Flammability Rating Selector

UL 94 / IEC 60695-11

Check whether a UL 94 rating meets the class you need, and…