Free home calculators for India
Calculate electricity use, backup power, building materials and Indian land units. Every answer shows its formula and settings.
Electricity
monthly energy use and cost for any appliance
Open calculator Working shownElectricityWhole-home Electricity Consumption Calculatorappliance-wise monthly units and energy charges
Open calculator Working shownElectricityAC Electricity Bill Calculatorair-conditioner energy use without confusing cooling tonnage with input watts
Open calculator Working shownElectricity1.5-ton AC Monthly Cost Calculatora focused 1.5-ton AC scenario with editable input power and load factor
Open calculator Working shownElectricityFan Electricity Consumption Calculatorconventional, older, BLDC or custom fan running cost
Open calculator Working shownElectricityBLDC Fan Savings Calculatorsavings based only on entered conventional and BLDC wattages
Open calculator Working shownElectricityGeyser Electricity Cost Calculatorstorage or instant water-heater energy cost
Open calculator Working shownElectricityRefrigerator Electricity Cost Calculatorrefrigerator cost from the preferred BEE-label annual consumption
Open calculator Working shownElectricityAir Cooler Electricity Cost Calculatorair-cooler fan and pump energy
Open calculator Working shownElectricityWashing Machine Electricity Cost Calculatorwashing-machine energy per cycle and monthly cost
Open calculator Working shownElectricityInduction Cooktop Cost Calculatorinduction cooking energy at the selected power and operating factor
Open calculator Working shownElectricityWater-pump Electricity Cost Calculatormotor energy from horsepower, efficiency and run time
Open calculator Working shownElectricityTelevision Electricity Cost Calculatortelevision viewing and optional standby energy
Open calculator Working shownElectricityComputer Electricity Cost Calculatorlaptop, desktop and monitor energy together
Open calculator Working shownElectricityEV Home-charging Cost Calculatorgrid energy and cost for an electric-vehicle battery refill
Open calculatorBackup & Solar
running and starting load for backup appliances
Open calculator Working shownBackup & SolarInverter Size Calculatoran inverter VA range from watts, surge, power factor and margin
Open calculator Working shownBackup & SolarBattery Backup Time Calculatorbattery runtime with depth-of-discharge and inverter losses
Open calculator Working shownBackup & SolarRequired Battery Capacity Calculatorrequired Ah for a desired backup time
Open calculator Working shownBackup & SolarUPS Runtime CalculatorUPS runtime from its battery bank and actual load
Open calculator Working shownBackup & SolarInverter and Battery Combined Plannerinverter capacity and battery Ah in one joined workflow
Open calculator Working shownBackup & SolarSolar Panel Size Calculatoran array and panel count from daily energy and local peak sun hours
Open calculator Working shownBackup & SolarSolar Battery Size Calculatora battery bank for daily solar-supported energy and autonomy
Open calculator Working shownBackup & SolarSolar Savings Estimatorfirst-year savings, simple payback and a ten-year scenario
Open calculatorConstruction
brick count and mortar volume after subtracting openings
Open calculator Working shownConstructionBrick, Cement and Sand Calculatorbricks and mortar materials for a measured wall
Open calculator Working shownConstructionCement and Sand Mortar Calculatorcement bags and sand for a wet mortar volume
Open calculator Working shownConstructionPlaster Calculatorwet volume, cement bags and sand for wall or ceiling plaster
Open calculator Working shownConstructionConcrete Calculatornominal concrete material quantities for a rectangular element
Open calculator Working shownConstructionRCC Slab Material Estimatorslab concrete and a user-entered engineer-approved steel allowance
Open calculator Working shownConstructionSteel Bar Weight Calculatorsteel weight from bar diameter, length and quantity
Open calculator Working shownConstructionTile Calculatortile count, box count and spares after wastage
Open calculator Working shownConstructionFlooring Calculatorlaminate, vinyl or plank flooring units and boxes
Open calculator Working shownConstructionPaint Calculatorroom wall and optional ceiling paint volume
Open calculator Working shownConstructionRoom Area Calculatorfloor, ceiling, wall area, perimeter and volume
Open calculator Working shownConstructionWater Tank Volume Calculatorrectangular or cylindrical tank capacity in litres
Open calculator Working shownConstructionStaircase Dimension Calculatorstair risers, treads, run and slope geometry
Open calculator Working shownConstructionHouse Construction Cost Calculatora cost scenario from user-entered area and a locally verified rate
Open calculatorLand Units
standard and verified regional land units
Open calculator Working shownLand UnitsKatha to Square Feet CalculatorKatha, Cottah or Kattha to square feet
Open calculator Working shownLand UnitsBigha to Acre CalculatorBigha to acres with state context
Open calculator Working shownLand UnitsDecimal to Square Feet CalculatorDecimal to square feet
Open calculator Working shownLand UnitsGuntha to Square Feet CalculatorGuntha to square feet
Open calculator Working shownLand UnitsCent to Square Feet CalculatorCent to square feet
Open calculator Working shownLand UnitsKanal to Marla CalculatorKanal to Marla
Open calculator Working shownLand UnitsGround to Square Feet CalculatorGround to square feet
Open calculator Working shownLand UnitsGaj to Square Feet CalculatorGaj to square feet
Open calculator