Home, garden and construction Calculators: All 326 Tools
Every home, garden and construction calculator on CalculatorHub, 326 in total, listed alphabetically. Each one is free, works in your browser with no signup, and shows the method it uses. Where a result depends on an external rate, standard or dataset, the supporting source is shown on the page with the date it was last checked. Prefer to search across all 6,718 calculators? Use the tool finder.
- AC Tonnage Calculator: Convert BTU to Tons of Cooling
- Air Conditioner Size Calculator: BTU and Tonnage for Any Room
- Air Conditioner Tonnage Calculator
- Air Flow Calculator: CFM from Duct Size and Velocity
- Anchor Bolt Pullout (Concrete Breakout) Calculator ACI 318
- Aquaponics Ratio Calculator: Fish Stocking and Plant Bed Size
- Aquarium CO2 Calculator: Dissolved CO2 from pH and KH
- Aquarium Stocking Calculator: Fish per Gallon Rule
- Aquarium Volume Calculator
- ASCE 7 Load Combination Calculator (LRFD and ASD)
- Asphalt Calculator: Tons of Hot Mix Asphalt for Driveways and Roads
- Attic Ventilation Calculator: Net Free Area Needed
- Backfill Volume Calculator: Estimate Fill Material Needed
- Backsplash Tile Calculator: Square Feet Needed
- Backup Generator Size Calculator: What Size Generator Do I Need?
- Baseboard Trim Calculator: Linear Feet Needed
- Bathroom Remodel Cost Calculator: Total Project Budget
- Beam Deflection Calculator: Simply Supported Point Load
- Beam Deflection Distributed Load Calculator (UDL)
- Beam Deflection Point Load Calculator (Simply Supported)
- Beam Load Calculator: Reactions and Bending Moment
- Beam Shear Stress Calculator (Shear Formula Tau = VQ/Ib)
- Beehive Honey Yield Calculator: Total Harvest From Frames
- Block Calculator
- Board Feet Calculator: Lumber Volume in Board Feet
- Board Foot Calculator: Lumber Volume in Board Feet
- Board Foot Lumber Cost Calculator: Wood Volume and Price
- Bolted Connection Capacity Calculator (Shear and Bearing)
- Bonsai Watering Calculator: Daily Watering Volume and Frequency
- Brick and Mortar Quantity Calculator: Bricks Needed
- Brick Calculator: Number of Bricks for Any Wall
- Brick Quantity Calculator: Number of Bricks for a Wall
- BTU Heating Calculator
- Building Permit Cost Calculator: Estimate Permit Fees
- Carpet Calculator: Square Yards and Cost Estimate
- Ceiling Fan Size Calculator: Required Airflow in CFM
- Ceiling Paint Calculator: Gallons by Room Size
- Ceiling Tile Calculator: Drop Ceiling Tiles Needed
- Cement Quantity Calculator
- Chair Rail Calculator: Linear Feet Needed
- Chicken Coop Size Calculator: Space Per Hen Required
- Circuit Breaker Size Calculator: NEC Continuous Load Rule
- Closet Shelf Calculator: Total Shelving Length
- Column Slenderness Ratio Calculator (KL/r)
- Composite Beam Transformed Section Calculator
- Compost C:N Ratio Calculator 2026: Carbon to Nitrogen Balance
- Compost C:N Ratio Calculator: Browns to Greens Balance
- Compost C:N Ratio Calculator: Carbon to Nitrogen Mix
- Compost Calculator: C:N Ratio, Yield, and CO2 Diversion
- Compost Carbon to Nitrogen Ratio Calculator: Blend Green and Brown
- Compost Tea Ratio Calculator: Compost and Water
- Concrete Bags Calculator
- Concrete Beam Rebar Calculator (Required Steel Area As)
- Concrete Block Calculator
- Concrete Block Calculator: Blocks Needed for a Wall
- Concrete Calculator: Cubic Yards, Cubic Feet and Bags
- Concrete Countertop Mix Calculator: Volume and Mix Weight
- Concrete Footing Calculator: Volume in Cubic Yards
- Concrete Mix Design Calculator: Proportions by Weight and Volume
- Concrete Mix Ratio Calculator: Cement, Sand, Aggregate
- Concrete Slab Calculator
- Concrete Slab Volume Calculator: Cubic Yards Needed
- Concrete Stairs Calculator
- Concrete Steps Calculator: Volume, Cubic Yards and Bags
- Concrete Volume Calculator
- Conduit Fill Calculator: NEC Conduit Size for Wire Bundles
- Construction Waste Calculator: Debris Volume and Disposal Cost
- Container Garden Calculator: Pot Size, Soil Volume, and Plant Count
- Countertop Square Footage Calculator: Area Needed
- Crop Yield Calculator 2026: Production per Acre
- Crop Yield Per Acre Calculator: Estimate Field Productivity
- Crown Molding Calculator: Linear Feet Needed
- Crushed Stone Calculator
- Curtain Fabric Width Calculator: Yardage by Window
- Deck Baluster Spacing Calculator: Balusters Per Section
- Deck Board Calculator: Number of Decking Boards Needed
- Deck Board Spacing Calculator: Boards and Gaps
- Deck Boards Calculator
- Deck Boards Calculator: Linear Feet and Number of Boards
- Deck Cost Calculator: Materials and Labor by Square Foot
- Deck Joist Spacing Calculator: Joist Count and Board Span
- Deck Joist Span Calculator: Allowable Joist Span Table
- Deck Stain Calculator: Gallons of Stain for a Deck
- Decking Board Calculator
- Deflection Limit Check Calculator (L/360, L/240, L/180)
- Dehumidifier Size Calculator: Pints per Day Needed
- Drip Emitter Flow Calculator: Total Gallons Per Irrigation Run
- Drip Irrigation Flow Rate Calculator: System Design Tool
- Driveway Calculator
- Drywall Calculator: Sheets Needed for Walls and Ceiling
- Drywall Joint Compound Calculator: Pounds Needed
- Drywall Sheet Calculator: Sheets and Panels Needed
- Drywall Sheets Calculator 2026: Sheets from Wall Area
- Duct CFM Airflow Calculator: Size HVAC Ductwork Correctly
- Duct CFM Sizing Calculator: Airflow from BTU
- Duct Static Pressure Calculator: Total External Static
- Earthwork Calculator: Cut and Fill Volume in Cubic Yards
- Effective Length Buckling (Euler) Calculator
- Electrical Load Calculator: Total Amperage and Panel Size
- Electrical Panel Load Calculator: NEC Service Sizing
- ERV Sizing Calculator: ASHRAE 62.2 Ventilation Rate CFM
- Excavation Calculator
- Excavation Volume Calculator: Cut and Fill in Cubic Yards
- Fence Calculator: Posts, Rails, Pickets and Concrete Bags
- Fence Material Cost Calculator: Compare Wood, Vinyl, Chain Link, and Aluminum
- Fence Paint Calculator: Gallons of Paint for a Fence
- Fence Post Calculator
- Fence Post Spacing Calculator: Posts, Sections and Rail Length
- Fencing Calculator
- Fertilizer NPK Blend Calculator: Mix Two Fertilizers to Target
- Fertilizer NPK Calculator: Calculate Nutrient Application Rates
- Fertilizer Quantity Calculator
- Fire Pit Paver Calculator: Block Count by Diameter
- Flood Water Volume Calculator: Estimate Floodwater Volume and Weight
- Floor Joist Span Calculator: Bending and Deflection
- Floor Screed Volume Calculator
- Flooring Area Calculator
- Flooring Calculator: Square Feet, Boxes and Cost
- Flooring Square Footage Calculator: Area and Boxes Needed
- Flooring Total Cost Calculator: Material Cost with Waste
- Footing Bearing Pressure Calculator (Load / Area vs Allowable)
- Foundation Cost Calculator: Concrete Slab Estimate
- Framing Lumber Calculator: Wall Studs Count
- Framing Studs Calculator
- French Drain Gravel Calculator: Trench Fill Volume
- Furnace Size Calculator: Find Your Heating BTU Needs
- Furnace Sizing Calculator: Output and Input BTU
- Garage Door Size Calculator: Rough Opening Sizes
- Garage Heater Sizing Calculator: BTU Output Needed
- Garden Fertilizer Calculator: How Much Fertilizer Do I Need?
- Garden Irrigation Calculator: Watering Run Time
- Garden Soil Calculator: Cubic Yards and Bags
- Garden Water Usage Calculator: Irrigation Cost and Gallons Per Week
- Garden Yield Estimate Calculator: Total Harvest by Crop
- Generator Wattage Calculator: Size Your Backup Generator
- Geofence Circle Area Calculator: Area From a Geofence Radius
- Grass Seed Coverage Calculator: How Much Seed You Need
- Grass Seed Quantity Calculator
- Gravel Calculator: Cubic Yards and Tons of Crushed Stone
- Gravel Driveway Calculator: Cubic Yards and Tons Needed
- Gravel Tonnage Calculator: Tons by Area and Depth
- Greenhouse Coverage Calculator: Plants Per Square Foot
- Greenhouse Heating Calculator 2026: BTU Heat Loss and Heater Size
- Greenhouse Heating Load Calculator: BTU Requirement Estimator
- Greenhouse Sizing Calculator: Area, Volume, Glazing
- Grout Calculator
- Growing Season Days Calculator: Frost-Free Days Between Dates
- Gutter Downspout Sizing Calculator: Flow and Count
- Gutter Size Calculator: Roof Drainage Area Sizing
- Hardwood Flooring Calculator
- Heat Pump Sizing Calculator: BTU and Tons for Heating
- Heating BTU Calculator
- Heating Load Calculator: Transmission and Air BTU/hr
- Herb Garden Yield Calculator: Fresh Weight and Annual Harvest
- Home Addition Cost Calculator: Square Foot Estimate
- Home Generator Sizing Calculator: Watts Needed
- Hot Composting Calculator: C:N Ratio and Brown/Green Mix
- HVAC BTU Room Sizing Calculator: Find Your AC Size
- HVAC Duct Size Calculator: Round Duct Diameter
- HVAC Efficiency Calculator: SEER, EER, COP, Cost
- Hydroponic Nutrient Mix Calculator: Grams Per Liter to EC
- Indoor Plant Watering Calculator: Volume and Frequency
- Insulation Bags Calculator: Bags of Blown-In Insulation Needed
- Insulation Batts Calculator: Bags and Packages Needed
- Insulation Calculator: Rolls or Bags for Walls and Ceilings
- Insulation Payback Period Calculator: ROI on Adding Insulation
- Insulation R-Value Calculator: Total R, U, Heat Loss
- Insulation R-Value Needed Calculator 2026: Added R-Value
- Irrigation Calculator: Sprinkler Run Time and Water Usage
- Irrigation Water Requirement Calculator 2026: Net Water in Gallons
- Irrigation Water Schedule Calculator: Run Time from ET Demand
- Irrigation Zone Runtime Calculator: Minutes to Apply Target Depth
- Junction Box Fill Calculator: NEC 314.16 Conductor Count
- Kitchen Remodel Cost Calculator: Budget Your Reno
- Laminate Flooring Calculator
- Landscaping Cost Calculator: Yard Project Budget
- Lawn Care Pricing Calculator: Price Your Lawn Service
- Lawn Fertilizer Calculator: Pounds of Product Needed
- Lawn Fertilizer Rate Calculator: Pounds of Product Needed
- Lawn Mowing Time Calculator: How Long Will It Take to Mow My Lawn?
- Lawn Seed Calculator: Pounds of Grass Seed Needed
- Lawn Sprinkler Coverage Calculator: Heads Needed
- Lawn Water Usage Calculator: Irrigation Cost and Savings
- Lawn Watering Calculator: Gallons and Run Time
- Liquidity Pool Impermanent Loss Calculator: DeFi AMM Loss Estimator
- Liquidity Pool Share Calculator: Your Pool Percentage and Token Claim
- Load-Bearing Wall Calculator: Estimate Wall Load Capacity
- Lumber Board Feet Calculator
- Lumber Calculator: Board Feet for Any Size Board
- Lumber Cost Calculator: Board Feet Times Price Plus Waste
- Map Tile Zoom Resolution Calculator: Metres Per Pixel by Zoom Level
- Miles Per Tank Calculator 2026: Driving Range From Tank Size
- Mini Split BTU Sizing Calculator: Capacity by Room
- Mortar Calculator: Bags Needed for Brick and Block
- Mulch Calculator: Cubic Yards and Cubic Feet for Garden Beds
- Mulch Coverage Calculator: Cubic Yards and Bags Needed
- Mulch Cubic Yards Calculator: Yards and Bags
- Multi-Coat Paint Coverage Calculator
- Oil Paint Medium Ratio Calculator: Fat-Over-Lean Ratios
- Paint Calculator: Gallons Needed for Wall Area
- Paint Cost Calculator
- Paint Coverage Area Calculator: Gallons Needed
- Paint Coverage Calculator: Gallons Needed for Any Room
- Paint Mixing Ratio Calculator: 2 or 3 Component Mix
- Paint Quantity Calculator
- Paint Volume with Coats Calculator 2026: Gallons Needed for a Job
- Painting Estimate Calculator: Price Your Painting Job
- Pasture Stocking Density Calculator: Animal Units Per Acre
- Paver Base Calculator: Gravel and Sand Volume
- Paver Calculator
- Paving Cost Calculator: Patio and Driveway Estimate
- Pipe Water Volume Calculator: Gallons and Liters in Pipe
- Plant Watering Calculator: Inches Per Week to Gallons
- Plasterboard Calculator
- Plate Girder Flexural Capacity Calculator (AISC 360)
- Plumbing Pipe Size Calculator: Flow, Velocity, Diameter
- Plywood Calculator: Number of 4x8 and 4x9 Sheets Needed
- Pool Chemical Calculator: Dose for a Target PPM
- Pool Chlorine Dose Calculator
- Pool Chlorine Dose Calculator: Product Needed
- Pool Heater Sizing Calculator: BTU per Hour
- Pool Heater Sizing Calculator: BTU to Heat a Pool
- Pool Volume Calculator: Gallons and Liters for Any Pool Shape
- Pool Volume in Gallons Calculator: Water Capacity
- Primer Coverage Calculator: Gallons of Primer Needed
- Proof of Work Energy Calculator: Estimate Mining Energy Costs
- Pump GPM Flow Calculator: Flow Rate from Pipe and Velocity
- Radiant Floor Heating Calculator: Tubing Length and BTU
- Radiator BTU Sizing Calculator: Heat Output Needed
- Rafter Length Calculator: Common Rafter with Overhang
- Rainwater Harvest Calculator: Gallons From Roof Area
- Rainwater Tank Sizing Calculator: Storage You Need
- Raised Bed Soil Volume Calculator 2026: Cubic Feet of Soil Needed
- Raised Bed Soil Volume Calculator: Cubic Feet and Bags
- Raised Garden Bed Calculator: Soil Volume
- Ramp Slope Calculator
- Rebar Calculator: Estimate Reinforcing Steel for Concrete
- Rebar Spacing Calculator: Number of Bars Needed
- Retaining Wall Block Calculator: Count by Wall Size
- Retaining Wall Calculator: Blocks and Courses Needed
- Retaining Wall Overturning Safety Factor Calculator
- Road Base Calculator
- Roof Area from Pitch Calculator 2026: Sloped Area from Footprint
- Roof Pitch Calculator: Angle, Multiplier, and Rafter Length
- Roof Rafter Length Calculator: Pitch and Rafter Size
- Roof Rainwater Collection Calculator: Harvestable Volume
- Roof Shingle Calculator
- Roof Shingle Calculator: Squares and Bundles Needed
- Roof Surface Area Calculator: Slope and Squares
- Roofing Calculator: Squares and Bundles of Shingles
- Roofing Shingle Bundle Calculator: Squares Needed
- Room Acoustics Calculator: Sabine Reverb Time
- Room BTU Cooling Load Calculator
- Room BTU Heating Load Calculator
- Room Paint Gallons Calculator: How Much Paint You Need
- Room Painting Calculator: Paint Gallons for Walls, Ceiling and Trim
- Sand Calculator: Cubic Yards, Tons, and Bags Needed
- Section Modulus and Allowable Moment Calculator
- Seed Germination Rate Calculator: Percentage and Seeds Needed
- Seed Spacing Calculator: Plants Per Row and Per Bed
- Seismic Base Shear Calculator (ASCE 7 V = Cs W)
- Septic Tank Size Calculator: Gallons by Bedrooms and Flow
- Septic Tank Size Calculator: Residential Septic Tank Capacity
- Shed Material Calculator: Wall, Floor and Studs
- Shingles Calculator
- Shower Tile Calculator: Number of Tiles for a Shower
- Shower Water Usage Calculator: Gallons Per Shower
- Siding Calculator
- Skylight Size Calculator: Daylight Area by Room
- Slope Calculator
- Snow Load Roof Calculator (ASCE 7 pf = 0.7 Ce Ct Is pg)
- Sod Pieces Calculator
- Soil Amendment Calculator: Volume and Weight Per Area
- Soil Amendment Lime Calculator: How Much Lime to Apply
- Soil Erosion Rate Calculator: USLE Erosion Estimation
- Soil pH Buffer Calculator: Estimate Lime and Sulfur Needs
- Soil Volume Calculator: Cubic Feet, Cubic Yards, and Bags
- Solar Panel Number Calculator
- Solar Panel Output Calculator: Daily, Monthly and Annual kWh
- Solar Panel System Size Calculator: kW from Annual kWh
- Spaced Repetition Study Time Calculator: Daily Review Load
- Stair Calculator: Steps, Riser Height and Stringer Length
- Stair Stringer Calculator: Rise, Run, and Stringer Length
- Structural Load Calculator: Beam Moment and Shear
- Stud Wall Framing Calculator: Studs and Lumber Needed
- Study Session Optimal Length Calculator
- Succulent Watering Calculator: How Often to Water Succulents
- Sump Pump Capacity Calculator: GPM from Inflow and Head
- Sump Pump Cycle Calculator: Run, Fill, and Cycles
- Sunlight Hours Calculator: Daylight by Latitude and Day
- Tankless Water Heater Sizing Calculator: GPM and BTU
- Thinset Mortar Coverage Calculator: Bags Needed
- Tile Adhesive Calculator
- Tile and Grout Calculator: Tiles, Mortar, and Grout Needed
- Tile Calculator: Number of Tiles and Boxes Needed
- Tile Grout Quantity Calculator: Pounds and Bags
- Tile Layout Start Point Calculator: Edge Cuts
- Tile Quantity Calculator
- Toilet Water Usage Calculator
- Topsoil Calculator
- Tree Planting Offset Calculator: How Many Trees to Offset CO2?
- Tree Removal Cost Calculator: Estimate Your Quote
- Tree Spacing Calculator: Trees Per Acre for Orchards
- Trench Backfill Calculator: Backfill Volume in Cubic Yards
- Truss Member Force Calculator (Method of Joints)
- Turf Calculator
- Underground Cable Calculator: Voltage Drop and Loss
- Underlayment Coverage Calculator: Rolls Needed
- Vermicomposting Calculator: Worm Bin Size and Feeding Rate
- Wall Framing Calculator
- Wallpaper Calculator: Rolls Needed for Any Room
- Wallpaper Roll Calculator: Rolls and Strips Needed
- Wallpaper Rolls Calculator 2026: Rolls Needed from Wall Area
- Wallpaper Rolls for Room Calculator: How Many Rolls You Need
- Water Heater Size Calculator: Tank Gallons and Tankless GPM
- Water Pressure PSI Calculator: Head Pressure to PSI
- Water Softener Grain Capacity Calculator: Sizing
- Water Tank Volume Calculator 2026: Cylinder Capacity in Gallons
- Weld Strength Calculator (Fillet Weld Shear Capacity)
- Well Pump Cycle Time Calculator: Run and Off Time
- Wind Load Pressure Calculator (ASCE 7 Velocity Pressure)
- Window Replacement Cost Calculator: Total Estimate
- Window U-Factor to R-Value Calculator
- Wire Gauge Ampacity Calculator: NEC AWG Current Ratings
- Wire Size Calculator
- Wood Stain Calculator: How Much Stain You Need