apps / 497274523
OHMs Law Calc
Reference
Caladan Software · Reference · $1.99 · US storefront
- rating
- 4.0 ★
- ratings
- 3
- updated
- Jun 7, 2026
- released
- Jan 31, 2012
v3.3.3
visible word pool · 4 words
title 13/30 chars · subtitle 9/30 chars
App Store search indexes the title and subtitle together with the hidden 100-character keyword field as one combined pool: any phrase assembled from those words can rank. These are the words of OHMs Law Calc's pool that are public — the keyword field is not exposed by any API.
from the listing
A precision electrical calculator for electricians, engineers, students, and AV/lighting pros — built for iPhone, iPad, and Mac. Single-Phase Calculator Enter any two of Volts, Amps, Watts, or Ohms and the app solves the other two instantly. Results are displayed on a classic Ohm's Law pie chart with a live readout hub, so you can see the relationship between values at a glance. Three-Phase Calculator A spreadsheet-style grid for balanced or unbalanced three-phase loads.…
latest US reviews
★★★★★
Quick and Easy!
This app really does calculate Three Phase correctly... Not just using the old "lazy engineers" trick of multiplying by 1.732... But rather doing the actual VECTOR MATH to properly calculate BOTH balanced and unbalanced loads. Works great for resistive AC circuits too! The app…
— Talobab
★★★★★
Incorrectly calculates for AC
Good attempt, but this calculator works 100% correctly ONLY for DC. For AC, it ignores Power Factor (PF), caused by ever present out-of-phase Reactive currents. All AC "Power" results are really in "Volt-Amps" (VA) not Watts. For 3-Ph AC it incorrectly calculates VA, when given…
— DAVEOFFUTT
★★★★★
Sparky
A lot of better free apps out there! Waste of money! Wish I can take my Money back.
— Nickname taken(v1.1)
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