All Calculators
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Time Duration Calculator
BasicTime Duration is evaluated from Start Time, End Time and Break. The calculation reports Hours, Minutes and Seconds.
Date Add/Subtract Calculator
BasicDate Add/Subtract is evaluated from Starting Date, Amount to Add/Subtract and Unit. The calculation reports Result Date, Days Difference and Day of Week.
Decimal Hours ↔ HH:MM:SS Converter
BasicDecimal Hours ↔ HH:MM:SS Converter is evaluated from Decimal Hours, Hours and Minutes. The calculation reports Decimal Hours, Hours and Minutes.
Military Time Converter
BasicMilitary Time Converter is evaluated from Standard Time and Military Time. The calculation reports Standard, Military Time and Spoken.
Week Number Calculator
BasicWeek Number is evaluated from Date. The calculation reports Week Number, Week Starts and Week Ends.
Leap Year Calculator
BasicLeap Year is evaluated from Year. The calculation reports Is Leap Year?, Days in Year and Next Leap Year.
Work Hours Calculator
BasicWork Hours is evaluated from Monday Hours, Tuesday Hours and Wednesday Hours. The calculation reports Total Hours Worked, Regular Hours and Overtime Hours.
Days Until Event Calculator
BasicDays Until Event is evaluated from Event Date and Event Name. The calculation reports Days Until Event, Weeks Until Event and Months Until Event.
Business Days Calculator
IntermediateBusiness Days is evaluated from Start Date and End Date. The calculation reports Business Days, Total Calendar Days and Weekend Days.
Unix Timestamp Converter
IntermediateUnix Timestamp Converter is evaluated from Unix Timestamp. The calculation reports UTC Date & Time, Local Date and Days Since Unix Epoch.
BTU Load Calculator
IntermediateBTU Load is evaluated from Conditioned Floor Area, Ceiling Height and Climate Zone. The calculation reports Cooling Load, Cooling Tons and Heating Load.
Concrete Calculator
BasicConcrete is evaluated from Shape, Length and Width. The calculation reports Cubic Feet, Cubic Yards and 60 lb Bags Needed.
Mulch Calculator
BasicMulch is evaluated from Length, Width and Desired Depth. The calculation reports Cubic Feet, Cubic Yards and Bags Needed.
Pipe Volume Calculator
BasicPipe Volume is evaluated from Pipe Inner Diameter, Pipe Length and Flow Rate. The calculation reports Volume, Volume and Volume.
Roof Pitch Calculator
BasicRoof Pitch is evaluated from Rise, Run and Full Roof Span. The calculation reports Roof Pitch, Slope Angle and Rafter Length.
Rental Yield Calculator
IntermediateRental Yield is evaluated from Property Purchase Price, Monthly Rental Income and Annual Insurance. The calculation reports Gross Annual Rent, Effective Annual Rent and Total Annual Expenses.
AC Size Calculator
BasicAC Size is evaluated from Room or House Area, Ceiling Height and Room Conditions. The calculation reports BTU/hr Needed, Tons Needed and Recommended Unit Size.
Roofing Materials Calculator
IntermediateRoofing Materials is evaluated from House Footprint Length, House Footprint Width and Roof Pitch. The calculation reports Roof Area, Roofing Squares and Shingle Bundles.
Topsoil Calculator
BasicTopsoil is evaluated from Length, Width and Depth / Fill. The calculation reports Cubic Feet, Cubic Yards and Estimated Tons.
Water Heater Size Calculator
BasicWater Heater Size is evaluated from Number of People in Household, Peak Simultaneous Hot Water Outlets and Cold Water Inlet Temperature. The calculation reports Recommended Tank Size, Required First Hour Rating and Tankless Flow Rate Needed.
Cap Rate Calculator
IntermediateCap Rate is evaluated from Gross Rental Income, Vacancy & Credit Loss and Total Operating Expenses. The calculation reports Effective Gross Income, Net Operating Income and Cap Rate.
Concrete Bags Calculator
BasicConcrete Bags is evaluated from Length, Width and Depth / Thickness. The calculation reports Volume Needed, Volume Needed and Bags Required.
Brick & Block Calculator
BasicBrick & Block is evaluated from Material Type, Wall Length and Wall Height. The calculation reports Wall Area, Units Needed and With Waste Factor.
Gravel Calculator
BasicGravel is evaluated from Length, Width and Depth. The calculation reports Cubic Feet, Cubic Yards and Tons Needed.
Insulation R-Value Calculator
BasicInsulation R-Value is evaluated from Insulation Type, Target R-Value and Existing R-Value. The calculation reports R-Value per Inch, Inches Needed and Bags Needed or Sq Ft.
Cash-on-Cash Return Calculator
IntermediateCash-on-Cash Return is evaluated from Annual Rental Income, Vacancy Loss and Total Annual Expenses. The calculation reports Effective Gross Income, Annual Pre-Tax Cash Flow and Monthly Cash Flow.
Gutter Size Calculator
IntermediateGutter Size is evaluated from Roof Width, Roof Section Length and Roof Pitch. The calculation reports Effective Drainage Area, Peak Flow Rate and Recommended Gutter Size.
Lawn Seed Calculator
BasicLawn Seed is evaluated from Lawn Area, Grass Type and Seeding Type. The calculation reports Pounds of Seed, 5-lb Bags Needed and 20-lb Bags Needed.
Sand & Gravel Calculator
BasicSand & Gravel is evaluated from Material, Length and Width. The calculation reports Cubic Feet, Cubic Yards and Estimated Tons.
Fertilizer Calculator
IntermediateFertilizer is evaluated from Area, N on Bag Label and P%. The calculation reports Product to Apply, Total Product Needed and 40-lb Bags Needed.