STACK Takeoff & Estimate is a browser-based application and does not require software installation. Before getting started, verify that the device, browser, and internet connection meet the recommended requirements below for the best performance.

Internet Browsers

STACK Takeoff & Estimate supports the following web browsers:

• Google Chrome - Download

• Mozilla Firefox - Download

• Safari - Apple - Download

NOTE
Use the latest version of a supported browser for the best performance. Other browsers may function, but only the browsers listed above are officially supported. Internet Explorer is not supported.

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If pages do not load correctly or unexpected behaviour occurs, clearing the browser cache may resolve the issue.

Supported Operating Systems

• Windows
• macOS
• Linux

NOTE
Mac users should use Safari 26 on macOS Tahoe (26), macOS Sequoia (15), or macOS Sonoma (14). Older versions of Safari are not supported and may prevent certain features from working correctly, including selecting a scale from the Takeoff toolbar. To determine whether your Mac can be upgraded, refer to Apple's compatibility documentation.

Recommended Hardware

• Intel Core i5 (or equivalent) or better
• 8 GB RAM minimum

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Devices less than four years old generally provide the best performance, especially when working with large projects.

Internet Connection

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Internet speed can be tested using Speedtest by Ookla.

Microsoft Excel

Microsoft Excel 2010 or later is required to use the Project Cost Calculator.

Input Devices

An external mouse is recommended for the most precise takeoff experience on desktop and laptop devices.

NOTE
If using an Apple Magic Mouse, we recommend adjusting to a lower scroll speed. Click here for instructions.

iPad Compatible

STACK Takeoff & Estimate supports touch input on supported iPads using a mobile browser.

For best results on an iPad:

• Use the latest version of Chrome or Safari
• Landscape orientation is recommended for takeoff workflows
• A stable Wi-Fi or LTE connection ensures plans load quickly

IMPORTANT
STACK Takeoff & Estimate runs in a web browser. No mobile app is required.

NOTE
This is a web-based experience – no app is required. Some advanced desktop workflows are not yet available on tablet. Full feature details are in Takeoff & Estimate on Tablets and iPads (TE).

See Takeoff & Estimate on Tablets and iPads (TE) for supported workflows and limitations.

Project Size Guidelines

For optimal performance, keep the size of each project in STACK within these guidelines:

GOOD PRACTICE
For very large jobs, consider splitting drawings across multiple projects to maintain the best performance.

Related Articles

Takeoff & Estimate on Tablets and iPads (TE)
Access STACK Takeoff & Estimate
Troubleshooting Browser and Device Related Performance Issues
Clear Your Cache - Chrome, Firefox and Safari
Download Chrome or Firefox

See how others use this feature in the STACK Community.

If you need additional assistance, please Contact Us.