HB Construction Calculator
Handy Bro Technologies LLC Tools
Construction calculators for carpentry, electrical, pipe, HVAC, concrete & more.
- Downloads
- 45+
- on Google Play
- Price
- Free
- No in-app purchases
- Updated
- Sep 19
- 2026 Β· v1.0.1
Screenshots
About HB Construction Calculator
ποΈ **HB CONSTRUCTION CALCULATOR β BUILT FOR THE JOBSITE**
HB Construction Calculator is a powerful **construction calculator for contractors and tradespeople**.
Do feet-inch-fraction math the way a tape measure reads, convert imperial and metric measurements in one tap, and switch between **8 specialized construction calculators** for carpentry, electrical, plumbing, HVAC, concrete, excavation, and estimating.
β Works fully offline
β No login required
β No paywall
β 8 calculators in one app
β Built by Handy Bro (HB)
---
π§° **8 CONSTRUCTION CALCULATORS IN ONE APP**
π **Advanced Cal**
Roof pitch, rise, run, and diagonal calculations. Calculate hip and valley rafters, jacks, stairs, circles, board feet, studs, blocks, drywall, footings, roofing squares, and more.
πͺ **Master 5**
An everyday carpentry calculator for stairs, arcs, irregular pitch and jack calculations, weight, cost, and paperless tape measurements.
β‘ **Electrical Calculator**
Calculate Kirchhoff and Ohm equations, wire size, voltage drop, conduit fill, motor full-load current, motor protection, grounding, and more.
π§ **Pipe & Plumbing Calculator**
Calculate offsets, rolling offsets, fitting allowances, cut lengths, 45Β° fittings, flow, pressure, pipe size, and other common plumbing measurements.
π§± **Concrete & Masonry Calculator**
Calculate cubic yards, concrete bags, footings, walls, blocks, rebar, drop, stairs, and truck loads.
π¬οΈ **HVAC / Sheet Metal Calculator**
Calculate duct takeoffs, OGEE offsets, Fan Laws, velocity pressure, FPM, Law of Cosines, stretch-outs, and other HVAC and sheet metal measurements.
π **Excavation & Grading Calculator**
Calculate cut and fill, slopes, percent grade, bank/loose/compacted volumes, swell, shrink, and truck loads.
π¦ **Material Estimator**
Estimate material quantities and coverage for paint, tile, decking, fencing, studs, blocks, flooring, sheet goods, brick, gravel, and project costs.
---
π **FEET β’ INCHES β’ FRACTIONS β THE WAY YOU WORK**
Enter measurements the same way you call them out on the jobsite.
For example:
**12 ft 6 3/8 in**
No need to convert everything to decimals first.
Quickly calculate and convert:
β’ Feet and inches
β’ Fractions
β’ Yards
β’ Meters
β’ Square units
β’ Cubic units
β’ Imperial β Metric
All without leaving the calculator pad.
---
π **SAVE YOUR CALCULATIONS**
Finished an important calculation?
Save it in **History** and reopen it later when you need it.
Your jobsite calculations stay organized and easy to find.
---
β **CHOOSE YOUR DEFAULT CALCULATOR**
Open **Tools**, choose the calculator you use most, and make it your default.
Your selection stays saved, so the calculator you need is ready the next time you open the app.
---
π· **BUILT FOR TRADES β NOT SPREADSHEETS**
HB Construction Calculator is made for:
π¨ Contractors
πͺ Carpenters
β‘ Electricians
π§ Plumbers
π¬οΈ HVAC technicians
π§± Concrete & masonry crews
π Excavation & grading crews
π Estimators
ποΈ Construction professionals
Whether you're measuring lumber, calculating electrical loads, laying out pipe, estimating concrete, sizing ductwork, grading a site, or preparing a material takeoff, **HB Construction Calculator puts the tools you need in your pocket.**
---
π **SIMPLE. PRIVATE. READY FOR THE JOBSITE.**
β Fully offline
β No account
β No login
β No paywall
β No unnecessary setup
Just open the app and start calculating.
**HB Construction Calculator β from Handy Bro.**
π Learn More: https://www.handybro.app
π Terms of Use: https://www.handybro.app/construction_calculator/terms
π Privacy Policy: https://www.handybro.app/construction_calculator/privacy
HB Construction Calculator is a powerful **construction calculator for contractors and tradespeople**.
Do feet-inch-fraction math the way a tape measure reads, convert imperial and metric measurements in one tap, and switch between **8 specialized construction calculators** for carpentry, electrical, plumbing, HVAC, concrete, excavation, and estimating.
β Works fully offline
β No login required
β No paywall
β 8 calculators in one app
β Built by Handy Bro (HB)
---
π§° **8 CONSTRUCTION CALCULATORS IN ONE APP**
π **Advanced Cal**
Roof pitch, rise, run, and diagonal calculations. Calculate hip and valley rafters, jacks, stairs, circles, board feet, studs, blocks, drywall, footings, roofing squares, and more.
πͺ **Master 5**
An everyday carpentry calculator for stairs, arcs, irregular pitch and jack calculations, weight, cost, and paperless tape measurements.
β‘ **Electrical Calculator**
Calculate Kirchhoff and Ohm equations, wire size, voltage drop, conduit fill, motor full-load current, motor protection, grounding, and more.
π§ **Pipe & Plumbing Calculator**
Calculate offsets, rolling offsets, fitting allowances, cut lengths, 45Β° fittings, flow, pressure, pipe size, and other common plumbing measurements.
π§± **Concrete & Masonry Calculator**
Calculate cubic yards, concrete bags, footings, walls, blocks, rebar, drop, stairs, and truck loads.
π¬οΈ **HVAC / Sheet Metal Calculator**
Calculate duct takeoffs, OGEE offsets, Fan Laws, velocity pressure, FPM, Law of Cosines, stretch-outs, and other HVAC and sheet metal measurements.
π **Excavation & Grading Calculator**
Calculate cut and fill, slopes, percent grade, bank/loose/compacted volumes, swell, shrink, and truck loads.
π¦ **Material Estimator**
Estimate material quantities and coverage for paint, tile, decking, fencing, studs, blocks, flooring, sheet goods, brick, gravel, and project costs.
---
π **FEET β’ INCHES β’ FRACTIONS β THE WAY YOU WORK**
Enter measurements the same way you call them out on the jobsite.
For example:
**12 ft 6 3/8 in**
No need to convert everything to decimals first.
Quickly calculate and convert:
β’ Feet and inches
β’ Fractions
β’ Yards
β’ Meters
β’ Square units
β’ Cubic units
β’ Imperial β Metric
All without leaving the calculator pad.
---
π **SAVE YOUR CALCULATIONS**
Finished an important calculation?
Save it in **History** and reopen it later when you need it.
Your jobsite calculations stay organized and easy to find.
---
β **CHOOSE YOUR DEFAULT CALCULATOR**
Open **Tools**, choose the calculator you use most, and make it your default.
Your selection stays saved, so the calculator you need is ready the next time you open the app.
---
π· **BUILT FOR TRADES β NOT SPREADSHEETS**
HB Construction Calculator is made for:
π¨ Contractors
πͺ Carpenters
β‘ Electricians
π§ Plumbers
π¬οΈ HVAC technicians
π§± Concrete & masonry crews
π Excavation & grading crews
π Estimators
ποΈ Construction professionals
Whether you're measuring lumber, calculating electrical loads, laying out pipe, estimating concrete, sizing ductwork, grading a site, or preparing a material takeoff, **HB Construction Calculator puts the tools you need in your pocket.**
---
π **SIMPLE. PRIVATE. READY FOR THE JOBSITE.**
β Fully offline
β No account
β No login
β No paywall
β No unnecessary setup
Just open the app and start calculating.
**HB Construction Calculator β from Handy Bro.**
π Learn More: https://www.handybro.app
π Terms of Use: https://www.handybro.app/construction_calculator/terms
π Privacy Policy: https://www.handybro.app/construction_calculator/privacy
What’s new
Version 1.0.1 Β· Updated September 19, 2026
Weβve worked hard to build a powerful and accurate set of construction calculators for the jobsite. This update includes improvements, fixes, and refinements to make calculations faster and more reliable. π As a thank-you for supporting us early, early users can enjoy the app for free. Thank you for using HB Construction Calculator!
Alternatives to HB Construction Calculator
Looking for apps like HB Construction Calculator? Here are 3 similar Android apps on Google Play. The highest rated is HB Construction Estimate Maker (4.6/5), and all 3 are free to download.
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HB Construction Estimate Maker 4.6
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Safe Driving App: Drowsy Alert 4.4
| App | Rating | Price | Installs | Last updated | Compare |
|---|---|---|---|---|---|
| HB Construction Calculator | β | Free | 10+ | Sep 19, 2026 | |
| HB Construction Estimate Maker | 4.6 / 5 | Free | 1,000+ | β | Compare |
| Exercise Tracker & Gym Planner | β | Free | 5,000+ | β | Compare |
| Safe Driving App: Drowsy Alert | 4.4 / 5 | Free | 10,000+ | Aug 7, 2026 | Compare |