Android's Most Popular Construction Calculator!

70 Powerful, Precise, Proven and Easy to Use Tools.

1. 000+ paid customers - 4.5 star rating!

Featured by AT&T US and Vodaphone NZ *Top 50 Productivity App*

Precision Inputs and Outputs =

• US (Feet-Inch-Fraction)
• METRIC (Meters-Millimeters)

70 detailed calculators. Includes drawings and layouts to assist measuring and understanding the output. Very powerful, yet simple enough to pick up and go. These have been refined over the years based on input from hundreds of professional trades people.

SATISFACTION GUARANTEED!

Great for site work!

Compare our results and you will see no other app comes close to the details. Results you can trust!

The Perfect construction calculator for the Pro, Contractor, Builder or DIY.

Continuously updated with new features and enhancements.

Share your results or copy to the clipboard to save for reference later.

= ROOFING

• Attic Ventilation
• Advanced Rafters
• Simple Rafters
• Roofing Materials
• Sheeting

= FRAMING

• Balusters
• Board Feet
• Floor Joists
• Wall Framing
• Insulation
• Siding
• Squaring
• Stairs

= WALLS, FLOORS & CEILINGS

• Carpet & Vinyl Flooring
• Tongue & Groove Flooring
• Crown Molding
• Deck Boards
• Demolition Waste
• Drop Ceiling
• Drywall
• Finish Areas
• Paint
• Tile

= ELECTRICAL

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

= FOUNDATIONS

• Backfill
• Backfill on Slope
• Excavation and Backfill
• Excavation and Backfill Basement
• Excavation and Backfill Footing
• Excavation and Backfill Trench
• Grade - Run/Drop
• Grade - Slope
• Rebar Beams & Columns
• Rebar Continuous Footings
• Rebar Weight

= PAVING & CONCRETE

• Round/Rectangle Concrete
• Post Holes
• Asphalt
• Paving
• Wire Mesh

= MASONRY

• Brick & Block Walls

= AREA, VOLUME & ANGLE

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

= MEASUREMENT

• Tape Measure
• GPS Measure (experimental)
• Drill Bit & Pilot Holes

= LANDSCAPING

• Aggregate Rectangle/Round
• Drainage

= BUSINESS

• Sq/Linear Ft Cost Estimators
• Discount
• Margin & Gross Profit
• Overtime
• Sales Tax
• Task Time
• Travel Time

With 70 total calculators, there's not room to describe them all in detail! Some highlights-

= Stairs

Input- Total Rise, Ideal Riser Height, Tread Width or Constrained Total Run

Output- Riser Height, Tread Width, # Treads & Risers, Total Run and Stringer Board Length, Elevation Angle and Running Stringer Points

= Baluster

Input- Rail Length, Baluster Width, Spacing, Rake Angle

Output- # Balusters and Centers, Spacing, Running Measurements

= Rafter

Input- Span, Pitch, Projection, Fascia, Ridge, Depth, Seat Cut

Output- Run, Rise, Length, Shortening, Tail, HAP, more

= Brick/Block

Input- Stucture Dimensions, Mortar Joint, Wastage, Brick size

Output- # Bricks, Courses, Bricks per Course, more

= Concrete Rectangle/Round

Input- Dimensions, Thickness and Rebar Spacing

Output- Yds3, Ft3, M3, Area, Premixed/Portland Bags, Rebar Length

= Roofing

Input- Dimensions, Roof Type, Pitch, Wastage, Nail and Bundle Size

Output- Bundles/Rolls, Underlayment, Nails, Hips, Ridge, Drip Edge

= Tape Measure Calc

• -*/ mixed US/Metric measurements, running tape output.

= Tile

Input- Room Dimensions, Field & Border Tile Size, Orientation.

Output- # Field, # Border Tiles

= Wall Framing

Input- Dimensions, # Openings, # Corners, Stud Spacing

Output- # Studs, # Plates

= Insulation

Input- Area Dimensions, Batt/Roll Size, Volume

Output- # Batts, # Rolls, Blown needed

= GPS Measurement

Experimental method integrated into some calculators to let you measure a large outdoor area using GPS.

= Asphalt/Paving

Input- Dimensions, Thickness, Base Weight, Base, Subbase

Output- Tons, Pounds, Ft3, Yds3, M3

= Flooring

Input- Room Dimensions, Wastage %, Box Size, Board Width

Output- Yds2, Area, # Boxes, Linear Ft

= Paint

Input- Wall dimensions, # Coats, Wall Type

Output- Paint Amount