You asked for more calculators and we've added them. New calculators include mulch, fertilizer, attic insulation and insulation R-value. Thank you for the suggestions.

Home Improvement Calcs has over 170 do-it-yourself and home improvement calculations and unit conversions. Home Improvement Calcs gives you access to quickly and easily solve a variety of calculations from your iPhone or iPad.

Easy to use and understand inputs and results in either decimals or fractions.

Not just calculators but the ability save and open saved calculations and add calculators to a favorites list. You can also email calculator inputs and results so you can easily share your calculations. Search functionality enables you to quickly find the calculator you want.

Current Calculators include:

Concrete & Bricks
* Asphalt
* Block Wall - Based on Area
* Block Wall - Based on Length and Height
* Brick Wall
* Concrete Column or Circular Slab
* Concrete Footings
* Concrete Post Holes
* Concrete Rectangular Slab
* Paver Bricks
* Sand
* Stone Retaining Wall

Electrical
* Amps from Watts and Volts
* Amps Required for Circuit
* Electricity Cost
* Volts from Amps and Watts
* Watts from Amps and Volts

Framing
* Rafter Length for Common - Pitch
* Rafter Length for Common - Pitch Unknown
* Rafter Types
* Roofing Terms
* Roof Pitch
* Roof - Degrees to Pitch, Slope and Grade
* Roof - Pitch to Degrees, Slope and Grade
* Roof - Slope to Pitch, Degrees and Grade
* Roof - Grade to Pitch, Degrees and Slope
* Square Construction
* Staircase
* Stairs Best Step Height
* Stairs Best Tread Width

Heating & A/C
* Airflow
* Attic Ventilation
* Ceiling Fan Sizing
* Exhaust Fan Sizing Based on Fixtures
* Exhaust Fan Sizing Based on Room Size
* Heating Estimator
* Whole House Fan
* Window Air Conditioner Size

Interiors
* Carpet and Linoleum
* Interior Paint
* Tile
* Tongue & Groove Flooring
* Wallpaper

Lumber & Materials
* Board Feet and Cost
* Caulking Length
* Caulking Required
* Drywall - Advanced
* Drywall - Basic
* Insulation - Attic
* Insulation R-Value
* Lumber Dimensions
* Roofing Materials from Area
* Roofing Materials from Pitch, Length and Width
* Studs

Miscellaneous
* Belts and Pulleys
* Cylindrical Tank - Horizontal Level
* Cylindrical Tank - Vertical Level
* Leaking Faucet Water Usage
* Tank Fill Time
* Weight of Liquids
* Wrench Conversion

Yard
* Acreage
* Backfill
* Backfill on a Slope
* Driveway Sealer
* Fertilizer Coverage and Cost
* Fertilizer - Nitrogen
* Fill & Ground Cover
* Grade from Rise and Run
* Grade from Slope Length and Rise
* Insecticide Coverage and Cost
* Plant Quantity
* Lawn Grass Coverage and Cost
* Lawn Mowing
* Sand Box
* Mulch
* Tree Height
* Yard Area

Area, Volume & Angle
* Arc Length, Area, and Perimeter
* Circle Area and Circumference
* Cone
* Cube (or Box) Surface Area and Volume
* Cylinder Surface Area and Volume
* Polygon Area and Sides from Apothem
* Polygon Area and Sides from Radius
* Pyramid
* Rectangle Area and Perimeter
* Trapezoid Area
* Triangle Angle and Diagonal
* Triangle Rise and Diagonal
* Triangle Rise and Run
* Triangle Area
* Sphere Surface Area and Volume
* Square Area and Perimeter

Conversions
* Airflow
* Air Pressure
* Angle
* Area
* Density
* Electrical Current
* Electrical Power
* Electrical Voltage
* Energy
* Flow Rate
* Fluid
* Fuel Mileage
* Length
* Mechanical Power
* Money
* Speed
* Temperature
* Torque
* Volume
* Weight

Linear Measurement
* Adding Lengths
* Subtract Lengths
* Divide Lengths
* Multiply Lengths
* Multiply a Length
* Divide a Length

More calculators coming soon in free updates!

If there's a calculator you'd like to see added, visit our website and send us an email.