Easily calculate and convert electrical power in KVA, kW, and kVAR. This tool is designed for electricians, engineers, and students to understand electrical power systems with a user-friendly interface and support for various units.






246+ iOS apps curated and reviewed
Every iPhone needs a few good kva calculator 2025 apps. We benchmark 246+ of them on App Store rating, freshness, and pricing, then surface the standouts so you don't have to scroll the App Store yourself.
| # | App | Price | Rating | Ads | In-App Purchases | Updated | |
|---|---|---|---|---|---|---|---|
| 1 | $1.99 | 4.0★ (1) | No | No | Oct 2026 | ||
| 2 | Free | 4.4★ (12) | Yes | No | Oct 2026 | ||
| 3 | Free | 4.8★ (49) | Yes | Yes | Oct 2026 | ||
| 4 | Free | 4.9★ (410K) | Yes | No | Nov 2026 | ||
| 5 | Free | 4.5★ (52) | Yes | No | Oct 2026 | ||
| 6 | Free | 4.5★ (2) | No | No | Oct 2026 | ||
| 7 | Free | 4.7★ (61K) | No | No | Nov 2026 | ||
| 8 | Free | 4.7★ (253) | Yes | Yes | Nov 2026 |






Easily calculate and convert electrical power in KVA, kW, and kVAR. This tool is designed for electricians, engineers, and students to understand electrical power systems with a user-friendly interface and support for various units.




Easily calculate and convert electrical values like kVA, kW, Amps, Volts, and Power Factor. Supports both single and three-phase calculations for engineers working with power systems.






This app simplifies transformer calculations for engineers and students. It accurately computes primary and secondary currents, turns ratios, and secondary voltages based on user inputs for transformer ratings and winding turns.