Hammer Calculator — Your All-in-One Construction Calculator

Stop wasting time with manual math. Hammer Calculator puts 25+ specialized construction calculators in your pocket, helping you estimate materials, quantities, and costs in seconds.

Whether you're a contractor pricing a job or a homeowner tackling a weekend project, get fast, accurate results every time.

MATERIAL CALCULATORS
• Concrete — Cubic yards for slabs, footings, and columns
• Lumber — Board feet and framing materials
• Drywall — Sheets, tape, and mud for any room
• Paint — Exact gallons based on wall area and coats
• Flooring — Materials for hardwood, laminate, or vinyl
• Tile — Tiles, grout, and mortar with waste factored in
• Countertop — Measure and price countertop materials
• Siding — Plan exterior cladding with precision
• Roofing — Shingles, underlayment, and accessories
• Stain — Stain and sealer for decks and wood surfaces

OUTDOOR & LANDSCAPING
• Deck — Decking boards, joists, and hardware
• Fence — Posts, rails, and pickets for any fence line
• Paver — Pavers, base material, and sand
• Mulch — Cubic yards for garden beds and landscaping
• Gravel — Aggregate for driveways and paths
• Sod — Rolls or pallets for lawn installation

UTILITIES & SYSTEMS
• HVAC BTU — Size heating and cooling for any room
• Water Heater — Right capacity for your household
• Insulation — R-value coverage and material quantities
• Electrical Load — Circuit requirements and panel capacity

MEASUREMENT & ESTIMATION
• Square Footage — Measure rooms and irregular spaces
• Board Foot — Convert dimensions for lumber pricing
• Cost Per Square Foot — Compare project costs accurately
• Renovation Cost Estimator — Budget full renovation projects
• Quote & Bid Generator — Create professional estimates on the go

KEY FEATURES

Accurate Results — Every calculator accounts for industry-standard waste factors so you buy the right amount the first time.

Built-In Cost Estimates — Enter local material prices for instant cost breakdowns alongside quantities.

Calculation History — Every calculation is saved with a timestamp so you can reference past estimates anytime.

Favorites — Bookmark your most-used calculators for quick access.

Share Results — Send detailed breakdowns to clients or teammates with one tap.

Works Offline — All calculations run locally. No internet needed on the job site.

Clean, Fast Interface — Dark-themed design that's easy to read in any lighting, built for speed.

WHO IS IT FOR?
• General contractors estimating materials for bids
• Electricians, roofers, painters, and trade professionals
• Home builders planning new construction
• DIY homeowners budgeting renovations
• Landscapers calculating outdoor materials

No ads. No sign-ups. Just open the app, pick a calculator, and get your answer.

Download Hammer Calculator and take the guesswork out of your next project.