About

Electrical calculators built for real job sites

Sparky Toolbox is built for electrical contractors and field electricians who need fast preliminary calculations while estimating, bidding, or verifying work in the field.

Made for speed

The app is designed to open quickly and keep core electrical tools close at hand.

Built for contractors

Use it for preliminary calculations while scoping jobs, preparing bids, or checking field measurements.

Supported by articles

The website also includes static SEO blog pages for electrical planning topics and app-related education.