RUNLU Field Calculator
Flooring Calculator & Copilot
Only for iPhone
Free · Designed for iPhone. Not verified for macOS.
iPhone
The flooring toolbox in your pocket. Calculate materials, plan cuts, carry room area across related products, and catch common job-list gaps.
RUNLU Field Calculator is a practical flooring calculator and sales copilot built for fast use in the field.
Calculate common flooring materials, carry room area into related material checks, organize a multi-room job, and catch common items that may still need attention.
TOOLS
• Carpet — roll width, drops, pattern repeat, cut allowance, seams and visual cut planning
• Roll Length — estimate remaining material from roll diameter and wraps
• Sheet Goods — sheet vinyl and linoleum roll planning, seams and weld length
• Plank / LVP / Laminate — box quantity, waste and layout assist
• Tile — box quantity, tile layout checks and grout-joint inputs
• Underlay / Pad — roll quantity from square feet or square yards
• Adhesive — safe-order quantity using the selected product/application coverage
• Floor Prep — primer, leveler, patch and moisture-treatment quantities
• Stairs — treads, risers, landings, wrap allowance and exposed side returns
• Mortar / Grout — safe-order planning using manufacturer coverage data
SMART WORKFLOW
RUNLU can keep the last calculated floor area ready for related calculators, so you do not need to re-enter the same room size. The Sales Copilot organizes common follow-up checks for carpet, sheet goods, plank/LVP and tile installations.
JOB MATERIAL LIST
Add calculation results to a job and build a combined material list across rooms and product types.
FIELD-FIRST
• No account required
• Core calculations designed to work offline
• Saved materials, remnants and job data stay on the device
• Manufacturer installation instructions always control final product suitability and ordering
RUNLU Field Calculator is a planning and estimating tool. Always verify field conditions, product specifications and manufacturer installation requirements before placing a final order.
Ratings & Reviews
- This app hasn’t received enough ratings or reviews to display an overview.
The developer, Jizhu Zhang, 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
- Jizhu Zhang
- Size
- 556 KB
- Category
- Utilities
- Compatibility
Requires iOS 16.0 or later.
- iPhone
Requires iOS 16.0 or later. - Mac
Requires macOS 13.0 or later and a Mac with Apple M1 chip or later. - Apple Vision
Requires visionOS 1.0 or later.
- iPhone
- Languages
- English
- Age Rating
4+
- 4+
- Copyright
- © 2026 RUNLU