Handy Construction Calculators

Handy Construction Calculators


(3 stars)


Download for Android Like

10,000 - 50,000 downloads

Add this app to your lists
Android's Most Trusted Construction Calculator
70+ Professional Grade, Premium Tools
Full US or METRIC modes - Inputs and Outputs

Google Play Featured - DIY App
Featured by AT&T, Vodafone
15,000+ customers, Top 100 Productivity App

"Best in Class" reviews -
The Best Android Construction Mobile Apps - getapp.com
3 Killer Android Home Improvement Apps - appshappens.com
HammerTime - poptechjam.com

Precision Inputs and Outputs
-US (Feet Inches Fraction)
-METRIC (Meter Millimeter)

What makes us better?
*US or METRIC modes - one simple setting lets you switch between modes with localized materials, size choices, inputs, outputs and rounding
*Configurable US inch fraction output precision (1/32, 1/16, 1/8, 1/4)
*Easy to use
*Flexible inputs/outputs - advanced options, no need for mental math
*Experience - Since 2009 built with the input of hundreds of professionals
*Professional grade calculator - for the Pro, Contractor, Builder, Estimator, Handyman, DIY, Home Improvement or Carpenter
*Diagrams help master the inputs and outputs - no guesswork
*Built-in results sharing - text, email, copy/paste and more
*Clean and easy to use - no ads, crazy designs or other annoyances
*Consistently updated and supported
*We appreciate our customers. Have an idea or special need? Send us a note anytime!

Satisfaction Guaranteed!

Below is a list of our 70+ construction calculators along with a few highlights to show the advanced features, inputs and outputs that we think make us the best for your construction projects.

* Attic Ventilation - Ventilation, Intake & Exhaust
* Advanced Rafters - Overhang, Ridge, Bird's Mouth, Common
* Simple Rafters
* Roofing Calculator - Gables, Drip Edge, Ridge Caps, Bundles, Underlayment
* Sheeting

* Balusters - Rake Angle, Centers, Spacing, Running Measurements
* Board Feet
* Floor Joists - OC Spacing, Running Measurements
* Wall Framing Calculator - Stud spacing, Studs & Plates, Advanced Algorithm
* Insulation - Batts & Blown
* Siding - Gables
* Squaring
* Stair Calculator - Constrain Run, Adjust Riser Results Realtime, Running Stringer Points

* Carpet & Vinyl Flooring
* Tongue & Groove Flooring
* Crown Molding
* Deck Boards - Diagonal & 90 Degree Layouts
* Demolition Waste - Building Type
* Drop Ceiling - Even Border Construction, All Materials
* Drywall Calculator - Room Dimension or Area, Ceiling, All Materials
* Finish Areas - Walls, Floor, Ceiling
* Paint - # Coats, Wall Type
* Tile Calculator - Field and Border, Diagonal or 90 Degree Layouts

* Amps/Watts/Volts Solver
* Amps Required for Circuit

* Backfill - Volume & Weight and Slope
* Excavation and Backfill - Specific excavated (with swell) and backfill (with compaction) material selection. Includes calculators specific to Basements, Footings and Trenches.
* Grade - Run/Drop or Slope
* Rebar Calculator - Beams & Columns with variable sizing and ties, Continuous footings, Weight.

* Round/Rectangle Concrete Calculator - Total Volume, Premix and Portland Options, Rebar
* Post Holes - Per Column & Total Calculations
* Asphalt Calculator - Variable Base Weight
* Paving Calculator - Variable Base, Subbase, Compaction
* Wire Mesh

* Brick & Block Wall Calculator - Bricks, Courses, w/wo Mortar

* Acreage
* Arc
* Arc Radius
* Cone
* Circle
* Cube
* Cylinder
* Pyramid
* Rectangle
* Rise/Run/Angle
* Sphere
* Trapezoid
* Triangle

* Tape Measure Feet Inches Calculator
* GPS Measure (experimental) - Measure one point to another
* Drill Bit & Pilot Hole Conversion

* Aggregate Calculator - Rectangle/Round - Variable Materials & Densities
* Drainage - Rational Equation

* Sq/Linear Ft Construction Cost Estimator
* Discount
* Margin & Gross Profit - Customer Price, Markup Profit, Project Overhead, Company Overhead
* Overtime - Regular, Overtime & Gross Pay
* Sales Tax
* Task Time
* Travel Time

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Recently changed in this version

- *UPDATED* Rebar Beams and Columns Calc (Thanks Ajay!)
- A few other small items

Some new calcs, enhancements and other updates coming in the next few weeks

Comments and ratings for Handy Construction Calculators
  • (53 stars)

    by Bart Lanni on 15/10/2014

    So far I have tested it and found the following. No mention that you cannot obtain a refund if you are not happy with the product, Google has a 2 hour window but this app does not, no trial to judge the app to see if it met my needs, some of the screens do not display the results correctly, do not like going into the set up to change from imperial to metric as I was under the impression that it w

  • (53 stars)

    by Benjamin Kuhlman on 02/10/2014

    Being a DIYer I find myself referring to this app because of its usefulness. I've had this app for over 3 years and it continues to improve. Kudos to the developer for keeping it up to date.

  • (53 stars)

    by Michael gleason on 01/10/2014

    The best App I've come across for contractors

  • (53 stars)

    by Ajay Bhardwaj on 30/09/2014

    I have downloaded all other paid construction calculators available on play store. This is the most comprehensive calculator for construction purpose . There was some problem with rebar nodule. Mr Mike took pain to correct at the earliest and inserted some extra values for my use. It still need improvements in some modules . The developer had promised to incorporate them soon.

  • (53 stars)

    by Rowland Amui on 07/08/2014


  • (53 stars)

    by nick slaasted on 22/07/2014

    Basically I'm a sales rep for a company that's in the top 25 out of the the top 500 home remodeling contractors. And my only question regards roofing calculator. Why does it only provide one set of length and width it would be nice to see a length x width for plain #1 and another length times width for plain #2 because after all not all homes are square some are L shaped and other dimensions as we

  • (53 stars)

    by Jon Crosd on 07/07/2014

    Really good for on the spot estimates

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