Free home calculators for India
Calculate electricity use, backup power, building materials and Indian land units. Every answer shows its formula and settings.
Electricity
Appliance Electricity Cost Calculator
monthly energy use and cost for any appliance
Open calculator →Whole-home Electricity Consumption Calculator
appliance-wise monthly units and energy charges
Open calculator →AC Electricity Bill Calculator
air-conditioner energy use without confusing cooling tonnage with input watts
Open calculator →1.5-ton AC Monthly Cost Calculator
a focused 1.5-ton AC scenario with editable input power and load factor
Open calculator →Fan Electricity Consumption Calculator
conventional, older, BLDC or custom fan running cost
Open calculator →BLDC Fan Savings Calculator
savings based only on entered conventional and BLDC wattages
Open calculator →Geyser Electricity Cost Calculator
storage or instant water-heater energy cost
Open calculator →Refrigerator Electricity Cost Calculator
refrigerator cost from the preferred BEE-label annual consumption
Open calculator →Air Cooler Electricity Cost Calculator
air-cooler fan and pump energy
Open calculator →Washing Machine Electricity Cost Calculator
washing-machine energy per cycle and monthly cost
Open calculator →Induction Cooktop Cost Calculator
induction cooking energy at the selected power and operating factor
Open calculator →Water-pump Electricity Cost Calculator
motor energy from horsepower, efficiency and run time
Open calculator →Television Electricity Cost Calculator
television viewing and optional standby energy
Open calculator →Computer Electricity Cost Calculator
laptop, desktop and monitor energy together
Open calculator →EV Home-charging Cost Calculator
grid energy and cost for an electric-vehicle battery refill
Open calculator →Backup & Solar
Home Electrical Load Calculator
running and starting load for backup appliances
Open calculator →Inverter Size Calculator
an inverter VA range from watts, surge, power factor and margin
Open calculator →Battery Backup Time Calculator
battery runtime with depth-of-discharge and inverter losses
Open calculator →Required Battery Capacity Calculator
required Ah for a desired backup time
Open calculator →UPS Runtime Calculator
UPS runtime from its battery bank and actual load
Open calculator →Inverter and Battery Combined Planner
inverter capacity and battery Ah in one joined workflow
Open calculator →Solar Panel Size Calculator
an array and panel count from daily energy and local peak sun hours
Open calculator →Solar Battery Size Calculator
a battery bank for daily solar-supported energy and autonomy
Open calculator →Solar Savings Estimator
first-year savings, simple payback and a ten-year scenario
Open calculator →Construction
Brick Wall Calculator
brick count and mortar volume after subtracting openings
Open calculator →Brick, Cement and Sand Calculator
bricks and mortar materials for a measured wall
Open calculator →Cement and Sand Mortar Calculator
cement bags and sand for a wet mortar volume
Open calculator →Plaster Calculator
wet volume, cement bags and sand for wall or ceiling plaster
Open calculator →Concrete Calculator
nominal concrete material quantities for a rectangular element
Open calculator →RCC Slab Material Estimator
slab concrete and a user-entered engineer-approved steel allowance
Open calculator →Steel Bar Weight Calculator
steel weight from bar diameter, length and quantity
Open calculator →Tile Calculator
tile count, box count and spares after wastage
Open calculator →Flooring Calculator
laminate, vinyl or plank flooring units and boxes
Open calculator →Paint Calculator
room wall and optional ceiling paint volume
Open calculator →Room Area Calculator
floor, ceiling, wall area, perimeter and volume
Open calculator →Water Tank Volume Calculator
rectangular or cylindrical tank capacity in litres
Open calculator →Staircase Dimension Calculator
stair risers, treads, run and slope geometry
Open calculator →House Construction Cost Estimator
a cost range from user-entered area and rate
Open calculator →Land Units
Land Area Converter
standard and verified regional land units
Open calculator →Katha to Square Feet Calculator
Katha, Cottah or Kattha to square feet
Open calculator →Bigha to Acre Calculator
Bigha to acres with state context
Open calculator →Decimal to Square Feet Calculator
Decimal to square feet
Open calculator →Guntha to Square Feet Calculator
Guntha to square feet
Open calculator →Cent to Square Feet Calculator
Cent to square feet
Open calculator →Kanal to Marla Calculator
Kanal to Marla
Open calculator →Ground to Square Feet Calculator
Ground to square feet
Open calculator →Gaj to Square Feet Calculator
Gaj to square feet
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