Category
Everyday & Tools Calculators
Estimate home projects, engineering decisions, productivity, fuel cost, bills, solar, EV savings, and daily utility math.
12
available tools
AC Tonnage Calculator
Estimate ideal AC capacity from room area, ceiling height, sunlight exposure, and occupant count with practical 1.0, 1.5, and 2.0 ton guidance.
Open calculatorConcrete Cement Estimator
Estimate concrete slab volume, cement bags, sand, and aggregate using slab dimensions, unit selection, nominal mix ratios, and 10% wastage.
Open calculatorPaint Quantity Calculator
Estimate paint liters required from wall dimensions, door and window cutouts, number of coats, coverage rate, and wastage buffer.
Open calculatorInverter Battery Calculator
Calculate required inverter VA and battery Ah from lights, fans, TV load, backup duration, battery voltage, power factor, and efficiency.
Open calculatorFuel Cost Mileage Calculator
Calculate trip fuel requirement, total fuel cost, and cost per kilometer from distance, mileage, and fuel price per liter.
Open calculatorTip and Split Bill Calculator
Calculate total tip, grand total, and exact per-person split from bill amount, tip percentage, and number of people.
Open calculatorSolar Rooftop Savings Calculator
Estimate rooftop solar system size, PM Surya Ghar subsidy, net installation cost, annual savings, and payback period for Indian homes.
Open calculatorCarpet Area Converter
Convert super built-up area to built-up and RERA carpet area, calculate loading loss, and find true usable price per sq ft for Indian real estate.
Open calculatorEV vs Petrol Cost Calculator
Compare EV charging cost versus petrol fuel cost for daily commute, monthly savings, annual savings, and break-even against higher EV purchase premium.
Open calculatorFinal Grade Target Calculator
Calculate the minimum final exam score required to reach your target course grade with current average, completed weightage, and remaining exam weight.
Open calculatorFreelance Hourly Rate Calculator
Calculate your minimum freelance hourly rate, day rate, and project retainer baseline from target income, expenses, taxes, insurance, billable hours, and vacation weeks.
Open calculatorWork Hours Duration Tracker
Calculate net work hours, decimal invoice hours, overtime pay, and total shift pay from start time, end time, unpaid breaks, and hourly wage.
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