249+ iOS apps curated and reviewed
The best wire size calculator apps on iPhone average 4.7★ across 249+ titles — we've ranked them by what real users actually keep on their phones. Updated October 2026.
| # | App | Price | Rating | Ads | In-App Purchases | Updated | |
|---|---|---|---|---|---|---|---|
| 1 |  | Free | 4.9★ (13) | Yes | Yes | Sep 2026 | |
| 2 |  | Free | 4.6★ (1.5K) | No | No | Oct 2026 | |
| 3 |  | Free | 4.7★ (70) | No | Yes | Sep 2026 | |
| 4 |  | $0.99 | — | No | Yes | Aug 2026 | |
| 5 |  | Free | 4.5★ (746) | No | No | Oct 2026 | |
| 6 |  | Free | 4.6★ (197) | No | No | Aug 2026 | |
| 7 |  | Free | — | No | Yes | Sep 2026 | |
| 8 |  | Free | 5.0★ (2) | No | No | Aug 2026 |
This utility app calculates the minimum wire size needed for electrical installations based on voltage, current, distance, and allowable voltage drop. It supports various units and wire materials, ensuring safe and efficient power distribution for diverse applications.
Calculate the appropriate wire size for electrical circuits. This tool helps determine wire size based on voltage drop and current carrying capacity, ensuring compliance with NEC ampacity limits.
This professional tool provides electricians with accurate, code-based electrical calculations for wire sizing, voltage drop, circuit breakers, and more. It includes NEC® code references and specialized calculations for various systems. Save time and ensure accuracy in the field or during planning.
