Everyday & Utility Calculators · cluster
Free Home & Energy Calculators
Utility usage and household running costs.
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10 calculators in this cluster
Free Volume Calculator
Volume of common 3D shapes: box, cylinder, sphere, cone.
Free Electricity Cost Calculator
Cost of running an appliance per day, month and year.
Free AC/Window Unit Sizing Calculator
BTU cooling capacity needed for a room.
Free Battery Backup Runtime Calculator
How long a battery backup will power a load.
Free Concrete Block Wall Calculator
CMU blocks and mortar bags for a wall.
Free Generator Sizing Calculator
Generator wattage needed to run selected appliances.
Free Pool Chemicals Calculator
Chlorine and pH adjuster dosing by pool volume.
Free Pool Volume Calculator
Gallons in a rectangular pool.
Free Solar Panel Sizing Calculator
Number of solar panels needed to cover energy use.
Free Sprinkler Coverage Calculator
Number of sprinkler heads needed for a lawn area.
Concepts you'll meet here
Related clusters in everyday & utility calculators
Free Vehicles & Travel Calculators
Fuel, mileage and journey costs.
Free Shopping & Value Calculators
Price comparison and everyday value decisions.
Free Weather & Environment Calculators
Perceived conditions and environmental readings.
Free Science & Electrical Calculators
Physics, chemistry and electrical engineering formulas.
Free Digital & Misc Utilities Calculators
Security, sleep and other practical tools.