--- title: "CALC ToolBox - Reviews, Revenue and Downloads in United Kingdom | Apple App Store" description: "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 de" --- # CALC ToolBox — United Kingdom > Unit Converter/Calculator ![CALC ToolBox App Icon](https://is1-ssl.mzstatic.com/image/thumb/Purple211/v4/f5/d1/54/f5d154d1-e94e-ccf7-80ce-92c3924f553c/AppIcon-0-0-1x_U007epad-0-1-0-85-220.jpeg/434x0w.png) **Developer:** [1BIGRIG](https://apptail.io/developer/1bigrig-xTNU) **Category:** Productivity **Rating:** 5.0/5 (2 ratings) **Price:** Free **Bundle ID:** Ben-Webb.CALC-ToolBox **Store:** Apple App Store **Country:** United Kingdom **Version:** 3.0.2 (released 2026-02-02) **Original Release:** 2025-02-10 **Languages:** English **App Store Link:** [Download on Apple App Store](https://apps.apple.com/gb/app/app/id6741718195) **AppTail Page:** [https://apptail.io/app/calc-toolbox-ydZu/united-kingdom](https://apptail.io/app/calc-toolbox-ydZu/united-kingdom) ## CALC ToolBox Description 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! ## CALC ToolBox Screenshots - [Screenshot 1](https://is1-ssl.mzstatic.com/image/thumb/PurpleSource221/v4/1c/b1/26/1cb126eb-9c05-5d21-4469-82021d4cf77d/page-1.jpeg/1242x2688.png) - [Screenshot 2](https://is1-ssl.mzstatic.com/image/thumb/PurpleSource211/v4/87/77/6f/87776fc7-9638-1dd0-a9c4-5241cdb1ef1c/page-2.jpeg/1242x2688.png) - [Screenshot 3](https://is1-ssl.mzstatic.com/image/thumb/PurpleSource211/v4/69/23/05/6923058a-0a60-78c2-02e2-645753fd1684/page-3.jpeg/1242x2688.png) ## CALC ToolBox Rating Breakdown in United Kingdom - 5 stars: 2 (100%) - 4 stars: 0 (0%) - 3 stars: 0 (0%) - 2 stars: 0 (0%) - 1 stars: 0 (0%) ## CALC ToolBox In-App Purchases | Item | Price | |------|-------| | Remove ads | £4.99 | ## CALC ToolBox Available In - [United Kingdom](https://apptail.io/app/calc-toolbox-ydZu/united-kingdom) - [Argentina](https://apptail.io/app/calc-toolbox-ydZu/argentina) - [Austria](https://apptail.io/app/calc-toolbox-ydZu/austria) - [Australia](https://apptail.io/app/calc-toolbox-ydZu/australia) - [Azerbaijan](https://apptail.io/app/calc-toolbox-ydZu/azerbaijan) - [Belgium](https://apptail.io/app/calc-toolbox-ydZu/belgium) - [Bulgaria](https://apptail.io/app/calc-toolbox-ydZu/bulgaria) - [Bahrain](https://apptail.io/app/calc-toolbox-ydZu/bahrain) - [Brunei](https://apptail.io/app/calc-toolbox-ydZu/brunei) - [Belarus](https://apptail.io/app/calc-toolbox-ydZu/belarus) - [Canada](https://apptail.io/app/calc-toolbox-ydZu/canada) - [Switzerland](https://apptail.io/app/calc-toolbox-ydZu/switzerland) - [Colombia](https://apptail.io/app/calc-toolbox-ydZu/colombia) - [Cyprus](https://apptail.io/app/calc-toolbox-ydZu/cyprus) - [Czechia](https://apptail.io/app/calc-toolbox-ydZu/czechia) - [Denmark](https://apptail.io/app/calc-toolbox-ydZu/denmark) - [Dominican Republic](https://apptail.io/app/calc-toolbox-ydZu/dominican-republic) - [Algeria](https://apptail.io/app/calc-toolbox-ydZu/algeria) - [Ecuador](https://apptail.io/app/calc-toolbox-ydZu/ecuador) - [Estonia](https://apptail.io/app/calc-toolbox-ydZu/estonia) - [Egypt](https://apptail.io/app/calc-toolbox-ydZu/egypt) - [Spain](https://apptail.io/app/calc-toolbox-ydZu/spain) - [Finland](https://apptail.io/app/calc-toolbox-ydZu/finland) - [Ghana](https://apptail.io/app/calc-toolbox-ydZu/ghana) - [Greece](https://apptail.io/app/calc-toolbox-ydZu/greece) - [Hong Kong SAR China](https://apptail.io/app/calc-toolbox-ydZu/hong-kong) - [Croatia](https://apptail.io/app/calc-toolbox-ydZu/croatia) - [Hungary](https://apptail.io/app/calc-toolbox-ydZu/hungary) - [Indonesia](https://apptail.io/app/calc-toolbox-ydZu/indonesia) - [Ireland](https://apptail.io/app/calc-toolbox-ydZu/ireland) - [Israel](https://apptail.io/app/calc-toolbox-ydZu/israel) - [India](https://apptail.io/app/calc-toolbox-ydZu/india) - [Italy](https://apptail.io/app/calc-toolbox-ydZu/italy) - [South Korea](https://apptail.io/app/calc-toolbox-ydZu/south-korea) - [Kuwait](https://apptail.io/app/calc-toolbox-ydZu/kuwait) - [Kazakhstan](https://apptail.io/app/calc-toolbox-ydZu/kazakhstan) - [Lebanon](https://apptail.io/app/calc-toolbox-ydZu/lebanon) - [Sri Lanka](https://apptail.io/app/calc-toolbox-ydZu/sri-lanka) - [Luxembourg](https://apptail.io/app/calc-toolbox-ydZu/luxembourg) - [Madagascar](https://apptail.io/app/calc-toolbox-ydZu/madagascar) - [North Macedonia](https://apptail.io/app/calc-toolbox-ydZu/north-macedonia) - [Malta](https://apptail.io/app/calc-toolbox-ydZu/malta) - [Mexico](https://apptail.io/app/calc-toolbox-ydZu/mexico) - [Malaysia](https://apptail.io/app/calc-toolbox-ydZu/malaysia) - [Nigeria](https://apptail.io/app/calc-toolbox-ydZu/nigeria) - [Netherlands](https://apptail.io/app/calc-toolbox-ydZu/netherlands) - [Norway](https://apptail.io/app/calc-toolbox-ydZu/norway) - [Nepal](https://apptail.io/app/calc-toolbox-ydZu/nepal) - [New Zealand](https://apptail.io/app/calc-toolbox-ydZu/new-zealand) - [Peru](https://apptail.io/app/calc-toolbox-ydZu/peru) - [Philippines](https://apptail.io/app/calc-toolbox-ydZu/philippines) - [Poland](https://apptail.io/app/calc-toolbox-ydZu/poland) - [Portugal](https://apptail.io/app/calc-toolbox-ydZu/portugal) - [Qatar](https://apptail.io/app/calc-toolbox-ydZu/qatar) - [Romania](https://apptail.io/app/calc-toolbox-ydZu/romania) - [Russia](https://apptail.io/app/calc-toolbox-ydZu/russia) - [Saudi Arabia](https://apptail.io/app/calc-toolbox-ydZu/saudi-arabia) - [Sweden](https://apptail.io/app/calc-toolbox-ydZu/sweden) - [Singapore](https://apptail.io/app/calc-toolbox-ydZu/singapore) - [Slovenia](https://apptail.io/app/calc-toolbox-ydZu/slovenia) - [Slovakia](https://apptail.io/app/calc-toolbox-ydZu/slovakia) - [Thailand](https://apptail.io/app/calc-toolbox-ydZu/thailand) - [Türkiye](https://apptail.io/app/calc-toolbox-ydZu/turkey) - [Taiwan](https://apptail.io/app/calc-toolbox-ydZu/taiwan) - [Uzbekistan](https://apptail.io/app/calc-toolbox-ydZu/uzbekistan) - [Vietnam](https://apptail.io/app/calc-toolbox-ydZu/vietnam) - [Armenia](https://apptail.io/app/calc-toolbox-ydZu/armenia) - [South Africa](https://apptail.io/app/calc-toolbox-ydZu/south-africa) --- ## About AppTail [AppTail](https://apptail.io) is a mobile app intelligence platform providing app analytics, ASO (App Store Optimization) tools, keyword tracking, competitor analysis, revenue estimates, and review monitoring for iOS App Store apps. Track your app's performance, discover ranking keywords, monitor competitors, and analyze market trends. - [Search Apps](https://apptail.io) - [Top Charts](https://apptail.io/top-iphone-apps) - [Sign Up for Full Access](https://app.apptail.io/signup?utm_campaign=ai-crawl&utm_content=footer) *Data provided by [AppTail](https://apptail.io) - Mobile App Intelligence Platform*