Toolbelt - Trade Calculator

Name: Toolbelt - Trade Calculator
Author: ZIezi Labs

LiveZIezi Labs1 app · 5 installsToolsFree · contains adsIn-app purchases: $2.99 - $19.99 per itemdev.toolbelt.app

NEC, IPC, IRC calcs for electricians, plumbers, carpenters. Offline. $19.99 once

Alert me ★ Watch Open in Play ↗

Total installs: 5
Installs / day: —
Rating: —★
Released: 8 Jul 2026
Last update: 19 Aug 2026
Countries: —

Install history

exact counter from Google Play

30dAll

Installs per day · last 90 days

Change timeline

No changes recorded yet. We compare every crawl with the previous one and list title, icon, screenshots, description, version, price and availability changes here.

Country availability

Availability has not been checked for this app yet. “Check all countries” looks the app up in about 140 Google Play storefronts and shows where it is live, listed but not installable, or missing — plus any country-specific (custom) store listings.

Top countries

Country data will be available soon.

We estimate where downloads come from using the app’s position in Google Play’s top charts in about 140 countries. This app is not in any chart we have collected yet; the estimate appears as soon as it is.

Top chart positions

Not in any tracked top chart.

App manifest

Read this app's manifest from Google Play: permissions, declared SDKs, components and AdMob app ID. Saved analysis appears here automatically.

Data safety

declared by the developer on Google Play

No data shared with third parties
Collects data App activity, App info and performance, and Device or other IDs
Data is encrypted in transit
You can ask for your data to be deleted

This is the developer's own declaration, summarised from the Play listing. The permissions below show what the app is technically able to access.

Permissions

4 in 1 group

0 Sensitive1 Notable3 Routine

OtherNotable4

Access to miscellaneous device features that don't fit other categories

Keep your phone's processor or screen from going to sleep, which can use more batteryprevent device from sleeping · WAKE_LOCK
Check whether you are online and whether you use Wi-Fi or mobile dataview network connections · ACCESS_NETWORK_STATE
Connect to the internet to load content and send datafull network access · INTERNET
Check with Google Play that you got this app legitimatelyGoogle Play license check · com.android.vending.CHECK_LICENSE

Sensitive = can reach personal data, location, camera/mic or act on your behalf. Notable = changes how your device behaves. Routine = normal for almost every app. Source: Google Play's permission list for all versions of this app.

Store listing

Full description

Toolbelt is a calculator app for working tradespeople. Electricians, plumbers, and carpenters — one app, every common job-site calc, backed by NEC, IPC, and IRC code references. Built for the truck, the warehouse, and the rough-in. WHAT'S INSIDE Electrical • Wire size by NEC 310.16 — ampacity, voltage drop, OCPD per 240.4(D) • Conduit fill by Chapter 9 Table 1 — 40/31/53% rules, live overfill warning • Voltage drop, 1φ / 3φ • Box fill, 314.16 • Motor full-load amperes Plumbing • Pipe sizing by drainage fixture units (DFU) • Vent sizing • Water service sizing by Hunter's curve • Slope and fall Carpentry • Concrete volume — slabs, footings, columns, steps, with bag counts • Lumber framing — header span, joist span, rafter rise/run • Stair calculator — rise, run, stringer • Board feet CODE REFERENCE • 20+ NEC, IPC, IRC articles • Offline. Searchable. No subscription required.

What's new

Full metric support is here! Switch units in Settings, and every calculator now works in meters, centimeters, and kPa — with trade-standard defaults built in. Also new: • Manage saved estimates and link calculations to them • Set a default trade so your go-to calculator opens first • Clearer warning when an electrical load exceeds a 400A panel Plus: saved jobs now display in their original units, and other fixes.

Growing in Tools

Category →