Free tools · No account
Toolkit Suite
NEC calculators for the field, and business paperwork that prints clean the first time. Every tool runs in your browser—PDF export included.


Electrical field calculators
NEC Chapter 9 fill, Table 310.16 ampacity, and voltage drop—built for inspectors and foremen who need numbers on the job site.

Office & small-business papers
Receipts, purchase orders, P&L statements, and rent ledgers that print like the forms your accountant already expects.

Shipping & freight docs
Packing slips, shipping labels, and straight bills of lading for warehouse teams and LTL desks.

Lightweight project tools
Drag-and-drop Gantt timelines you can export to PNG or PDF for client updates.
Complete index
Conduit Fill CalculatorWire Size & Ampacity CalculatorVoltage Drop CalculatorReceipt MakerProfit & Loss Statement GeneratorPurchase Order GeneratorRent Receipt & LedgerPacking Slip & Shipping Label MakerGantt Chart MakerJob Application Form BuilderBill of Lading Generator
Photography on this site is from Unsplash (see /images/CREDITS.md).