Free Contractor Calculators & Construction Tools
Professional jobsite estimation utilities for builders, tradesmen, remodelers, and DIYers. Click any calculator below to open the tool instantly!
Our Suite of Professional Estimation Tools
📏 Square Footage
Calculate total area for rooms, spaces, walls, and siding projects. Optimizes measurements for tiling and floor preparation.
🧱 Concrete Calculator
Estimate required cubic yards of cement for slabs, footings, post holes, and structural framing. Built to professional builder standards.
🕒 Work Hours Tracker
Easily log start/end times, breaks, overtime, and work logs. Built to track field employee labor and timesheets on-site.
🪨 Gravel & Fill
Determine cubic volume for landscaping materials such as gravel, mulch, aggregate, topsoil, and dirt.
🎨 Paint Estimator
Accurately calculate gallon requirements based on wall dimensions and paint coverage. Perfect for painters and remodelers.
🔳 Tile & Waste
Calculate tile quantities for kitchen, bathroom, or floor patterns, incorporating essential waste percentage allowances.
📈 Slope & Grade
Calculate rise, run, drainage drops, and percentage grades for roads, landscaping, and trenches.
🪵 Board Foot Calculator
Estimate lumber dimensions in board feet quickly for woodworking, carpentry, and framing designs.
💵 Cost Per SqFt
Compare project and building materials relative to their total square footage or area.
🔄 Jobsite Unit Converter
Quickly convert length, weight, area, and volume measurements between metric and imperial units on-site.
Frequently Asked Questions
How much do these calculators cost?
Fields Pocket is 100% free. We sustain our operation through light advertisements so that trade professionals can calculate instantly without active subscriptions.
Is my structural data secure?
Completely. We prioritize extreme privacy. Your measurements, calculations, locations, and data are processed locally on your browser and are never transmitted to external databases.
How do I save the application to my home screen?
On iOS or Android, tap your browser's share icon and select "Add to Home Screen" to install Fields Pocket as a native PWA utility.
Information & Support
About Fields Pocket
Our Mission
At Fields Pocket, our mission is to eliminate the guesswork on construction sites and home improvement projects. We provide ultra-fast, high-accuracy, and fully responsive calculation utilities tailored for field tradesmen, contractors, remodelers, and DIYers alike.
We understand that when you are on-site, you need answers immediately. There is no time to waste on logins, subscription popups, or heavy apps. That is why we built Fields Pocket as a web-first, instantly accessible utility suite that runs flawlessly on any mobile browser or desktop computer.
Privacy Policy
1. Our Absolute Commitment to Privacy
At Fields Pocket, we respect your privacy and believe that your professional measurements, costs, and project calculations are your business alone. We design and build our tools so that they operate entirely on your device (client-side). This means we collect zero personal data, location tracking records, or project specifications.
2. Information We Do Not Collect
Unlike traditional estimating software, we do not require you to sign up, log in, or provide credit card information to use our standard suite of calculators. We do not collect names, email addresses, project sizes, or material costs.
3. Cookies & Advertising Partners
To maintain Fields Pocket as a 100% free tool for contractors and craftsmen globally, we run lightweight, high-standard advertisements. Our third-party advertising partners (such as Google AdSense) may place cookies or web beacons in your browser to deliver personalized and relevant ads.
4. Contact Information
If you have any questions or feedback about our privacy practices, please contact us via our online contact form on our Support page.
Terms of Service
1. Acceptance of Terms
By accessing or using Fields Pocket, you agree to be bound by these Terms of Service. If you do not agree with any part of these terms, you must refrain from using our software.
2. Purpose & Use of Tools
Fields Pocket provides math-based estimation calculators for construction, landscaping, carpentry, painting, and trade estimation. These tools are provided strictly as an aid. While our math is designed to meet strict trade tolerances and standard equations, final calculations should always be checked on-site against structural designs and physical measurements by a certified professional before purchase or installation.
3. Disclaimer of Warranties
FIELDS POCKET IS PROVIDED "AS IS" AND "AS AVAILABLE", WITHOUT WARRANTIES OF ANY KIND, EITHER EXPRESS OR IMPLIED. WE DO NOT WARRANT THAT THE CALCULATIONS ARE 100% ERROR-FREE OR THAT THE SITE WILL BE ALWAYS SECURE OR OPERATIONAL.
4. Limitation of Liability
In no event shall Fields Pocket or its creators be liable for any direct, indirect, incidental, consequential, special, or exemplary damages, including but not limited to loss of materials, financial overestimation, structural failures, labor overruns, or any other professional losses resulting from your use or inability to use our tools.
Contact Support & Feedback
Have a request, suggestion, or question? We love to hear from active builders! Fill out the form below to send us a direct message.