Accurate and Easy to Use Construction Calculator
70+ Professional Grade, Premium Tools
Used by Pros around the World
Full US or METRIC modes - Inputs and Outputs

Featured by Google Play, AT&T, Vodafone
20,000+ customers, Top 100 Productivity App

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

What makes us better?
*US or METRIC - One simple setting that 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 - the one construction calculator you need to save time and make more money
*Flexible inputs/outputs - simple inputs, advanced options, all the outputs you need. No morer mental math!
*Experience - Since 2009 the only construction calculator built with the input of thousands of professionals
*Professional grade construction calculator - for the Pro, Contractor, Builder, Estimator, Handyman, DIY, Maintenance, 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 - never any 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! There's a reason we have so many consistent 5 star ratings and great reviews over the years.

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.

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

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

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

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

= FOUNDATION
* 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 - Beams & Columns with variable sizing and ties, Continuous footings, Weight.

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

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

= AREA, VOLUME & ANGLE
* Acreage
* Arc
* Arc Radius
* Cone
* Circle
* Cube
* Cylinder
* Pyramid
* Rectangle
* Rise/Run/Angle
* Sphere
* Trapezoid
* Triangle

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

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

= BUSINESS
* 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