CALC ToolBox
Unit Converter/Calculator
Free · In-App Purchases · Designed for iPad
The CALC ToolBox – The Ultimate Precision Calculation & Conversion Suite for AV professionals.
Whether you're an engineer, technician, or industry professional who values accuracy, CALC ToolBox is designed to streamline your workflow with powerful, easy-to-use tools.
Key Features:
dBm to Watts & dBµV to dBm Conversions – Instantly convert signal levels and power values for audio, RF, and electronics projects.
Voltage Drop Calculator – Ensure optimal circuit performance by quickly computing voltage drops.
Measurement Converter – Seamlessly switch between units: feet to meters, pounds to kilograms, and more.
Temperature Converter with Humidity Calculation – Convert temperatures and humidity for comprehensive environmental analysis.
Ohm’s Law Calculator – Solve electrical circuits instantly with our intuitive Ohm’s Law tool.
DMX DIP Switch Calculator – Easily determine DIP switch settings for DMX-controlled lighting systems.
90/180 Schengen Area Calculator – Track your travel days and stay compliant with Schengen visa rules.
Projection Throw Distance Calculator – Get the perfect projector placement for any screen size and setup.
Audio Delay Calculator - Calculate sound delay by distance, temperature, humidity, and digital latency instantly.
Subnet - Calculate IP ranges, subnet masks, and usable hosts with a fast, intuitive CIDR tool.
With its intuitive interface and robust feature set, CALC ToolBox helps you work faster, smarter, and with unmatched precision.
Download now and take your calculations to the next level!
Ratings & Reviews
This app has not received enough ratings or reviews to display an overview.
Hot fix for Version 3... NEW UI with improved layouts.
More calculators coming 2026
The developer, Ben Webb, indicated that the app’s privacy practices may include handling of data as described below. For more information, see the developer’s privacy policy .
Data Not Collected
The developer does not collect any data from this app.
Accessibility
The developer has not yet indicated which accessibility features this app supports. Learn More
Information
- Seller
- Ben Webb
- Size
- 5 MB
- Category
- Productivity
- Compatibility
Requires iOS 17.6 or later.
- iPhone
Requires iOS 17.6 or later. - iPad
Requires iPadOS 17.6 or later. - Mac
Requires macOS 14.6 or later and a Mac with Apple M1 chip or later. - Apple Vision
Requires visionOS 1.3 or later.
- Languages
- English
- Age Rating
4+
- 4+
- In-App Purchases
Yes
- Remove ads USD 5.99
- Copyright
- © BIG-RIG.CO
