# Sizing Calculator

> Industrial electrical load and sizing calculators for preliminary design checks.


## Posts

- [Interrupting Rating vs. SCCR vs. Available Fault Current: Ratings and Nameplate Checks](https://sizingcalculator.org/interrupting-rating-vs-sccr-vs-available-fault-current/): Compare interrupting rating, SCCR, and available fault current. Learn where each value comes from and how to check ratings and nameplates.
- [NEMA Enclosure Types Explained: Indoor, Outdoor, Dust, and Corrosion Protection](https://sizingcalculator.org/nema-enclosure-types-explained/): Compare NEMA enclosure types for indoor, outdoor, dust, washdown, and corrosion exposure, with a practical rating matrix and selection checks.
- [Conduit and Conductor Dimensions: Raceway Sizes, Wire Areas, and Source Notes](https://sizingcalculator.org/conduit-and-conductor-dimensions/): Compare conduit dimensions and insulated conductor areas, with manufacturer source notes and clear inputs for preliminary raceway fill checks.
- [Electrical Panel Schedule Template: Printable and Editable Circuit Directory](https://sizingcalculator.org/electrical-panel-schedule-template/): Use this electrical panel schedule template to record circuits, breaker ratings, and load descriptions in editable, printable, and CSV formats.
- [Motor Circuit Protection Guide: Overload, Short-Circuit, and Ground-Fault Protection](https://sizingcalculator.org/motor-circuit-protection-guide/): Understand motor circuit protection: compare overload relays, short-circuit and ground-fault devices, disconnects, and conductor checks.
- [AWG and kcmil Wire Size Chart: Dimensions and Metric Reference](https://sizingcalculator.org/awg-and-kcmil-wire-size-chart/): Compare AWG and kcmil wire sizes with diameter and mm² area charts, conversion formulas, and limits on metric conductor substitution.
- [Conductor Ampacity Reference: Wire Sizes, Temperature Ratings, and NEC Table Conditions](https://sizingcalculator.org/conductor-ampacity-reference/): Compare conductor ampacity by wire size, material, and temperature rating, with NEC table conditions, terminal limits, and source notes.
- [Motor Nameplate Guide: Ratings, Symbols, and Field Definitions](https://sizingcalculator.org/motor-nameplate-guide/): Read motor nameplate ratings, decode voltage and connection symbols, match data to calculation inputs, and use a printable collection sheet.
- [Motor Full-Load Current Tables: Single-Phase and Three-Phase Reference](https://sizingcalculator.org/motor-full-load-current-tables/): Look up motor full-load current tables by horsepower, phase, and voltage, and distinguish table FLC from nameplate and operating current.

## Pages

- [Disclosure](https://sizingcalculator.org/disclosure/): Sizing Calculator currently provides free industrial electrical calculators and reference content.
- [Terms of Use](https://sizingcalculator.org/terms/): These Terms of Use apply to your use of Sizing Calculator and its online calculators, pages, and supporting content.
- [How It Works](https://sizingcalculator.org/methodology/): Sizing Calculator follows a consistent calculation flow so that the inputs, formula, output, and limitations can be reviewed together.
- [Contact Sizing Calculator](https://sizingcalculator.org/contact/): For questions about a calculator, a result, a page correction, or a privacy matter, email admin@sizingcalculator.org.
- [Privacy Policy](https://sizingcalculator.org/privacy/): This Privacy Policy explains the information handling that can occur when you use Sizing Calculator at https://sizingcalculator.org.
- [About Sizing Calculator](https://sizingcalculator.org/about/): Sizing Calculator is a focused collection of online calculators for industrial electrical load, sizing, measurement, and preliminary design checks.
- [Calculators](https://sizingcalculator.org/calculators/)
- [Guides](https://sizingcalculator.org/guides/)
- [Home](https://sizingcalculator.org/)


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