All calculators
194 calculators, grouped by trade. Each one shows its formula, a material list and the sources behind its numbers.
Concrete & masonry
Concrete & masonry hub- Concrete Calculator
- Concrete Slab Calculator
- Concrete Bag Calculator
- Concrete Yard Calculator
- Concrete Footing Calculator
- Post Hole & Sonotube Concrete Calculator
- Concrete Steps Calculator
- Rebar Calculator
- Cinder Block Calculator
- Brick Calculator
- Mortar Calculator
- Self Leveling Concrete Calculator
- Concrete Mix Ratio Calculator
- Stucco Calculator
- Stone Veneer Calculator
Decks & stairs
Decks & stairs hubFraming & lumber
Framing & lumber hub- Stud Calculator
- Framing Calculator
- Beam Span Calculator
- Board Foot Calculator
- Plywood Calculator
- Lumber Calculator
- Log Board Foot Calculator
- Floor Joist Span Calculator & Span Chart
- Ceiling Joist Span Calculator & Span Table
- Header Span Calculator & Garage Door Header Size
- LVL Beam Calculator & Size Chart
- Steel Beam Calculator: W-Shape Size for Your Span
- Beam Deflection Calculator
- I-Beam Size Calculator & Size Chart
- Shelf Sag Calculator (Sagulator)
Roofing & siding
Roofing & siding hub- Roof Pitch Calculator
- Roofing Calculator
- Rafter Calculator
- Shingle Calculator
- Metal Roof Calculator
- Roof Truss Calculator
- Gutter Slope Calculator
- Siding Calculator
- Vinyl Siding Calculator
- Roof Square Calculator
- Roof Sheathing Calculator
- Roof Snow Load Calculator
- Hip Roof Calculator
- Gambrel Roof Calculator
- Soffit Calculator
- Attic Ventilation Calculator
- Gutter Size Calculator
Drywall, paint & walls
Drywall, paint & walls hubFloors, tile & trim
Floors, tile & trim hubDriveways & paving
Driveways & paving hubElectrical
Electrical hubHeating, cooling & plumbing
Heating, cooling & plumbing hub- Septic Tank Size Calculator
- Gas Pipe Size Calculator
- BTU Calculator
- AC Size Calculator
- Furnace Size Calculator
- Mini Split Size Calculator
- Baseboard Heater Calculator
- Ductwork Calculator
- CFM Calculator
- Duct Size Calculator
- Firewood Calculator
- Propane Usage Calculator
- Space Heater Calculator
- Wood Stove Size Calculator
- Heat Pump Size Calculator
- Dehumidifier Size Calculator
- Bathroom Fan CFM Calculator
- Range Hood CFM Calculator
- Water Softener Size Calculator
- Tankless Water Heater Size Calculator
- Well Pump Size Calculator
- Pipe Slope Calculator
- Water Pressure Calculator
- Garage Door Spring Calculator
- Garage Door Size Calculator
Measuring & planning
Measuring & planning hub- Square Footage Calculator
- Room Square Footage Calculator
- Cubic Feet Calculator
- Cubic Yard Calculator
- Dumpster Size Calculator
- Moving Box Calculator
- Construction Calculator
- Feet and Inches Calculator
- Linear Feet Calculator
- Linear Feet to Square Feet Calculator
- Square Feet to Cubic Yards Calculator
- Cubic Yards to Tons Calculator (and Tons to Cubic Yards)
- Concrete Weight Calculator
- Steel Weight Calculator
Room planning
Room planning hubProject costs
Project costs hub- Concrete Cost Calculator
- Deck Cost Calculator
- Painting Cost Calculator
- Drywall Installation Cost Calculator
- Drywall Repair Cost Calculator
- Spray Foam Insulation Cost Calculator
- Flooring Cost Calculator
- Epoxy Flooring Cost Calculator
- Roof Replacement Cost Calculator
- Vinyl Siding Cost Calculator
- Bathroom Remodel Cost Calculator
- Kitchen Remodel Cost Calculator
- Home Remodel Cost Calculator
- Basement Finishing Cost Calculator
- Home Addition Cost Calculator
- Window Replacement Cost Calculator
- Water Heater Replacement Cost Calculator
- Electrical Panel Replacement Cost Calculator
- HVAC Replacement Cost Calculator
- Garage Door Replacement Cost Calculator
- Foundation Repair Cost Calculator
- EV Charger Installation Cost Calculator
- Door Installation Cost Calculator
- Concrete Driveway Cost Calculator
- House Construction Cost Calculator
- Barndominium Cost Calculator
- Pole Barn Cost Calculator
- Metal Building Cost Calculator
- ADU Construction Cost Calculator
- Garage Conversion Cost Calculator
- Garage Addition Cost Calculator
- Sunroom Cost Calculator
- 10x10 Deck Cost Calculator
- 12x12 Deck Cost Calculator
- 12x16 Deck Cost Calculator
- 12x20 Deck Cost Calculator
- 16x16 Deck Cost Calculator
- 16x20 Deck Cost Calculator
- 20x20 Deck Cost Calculator
- How Much Concrete for a 10x10 Slab
- How Much Concrete for a 12x12 Slab
- How Much Concrete for a 20x20 Slab
- How Much Concrete for a 24x24 Slab
- How Much Concrete for a 30x40 Slab