Category
Everyday & Tools Calculators
Estimate home projects, engineering decisions, productivity, fuel cost, bills, solar, EV savings, and daily utility math.
27
available tools
AC Tonnage Calculator
Estimate ideal AC capacity from room area, ceiling height, sunlight exposure, and occupant count with practical room AC and multi-unit guidance.
روزانوConcrete Cement Estimator
Estimate concrete slab volume, cement bags, sand, and aggregate using slab dimensions, unit selection, nominal mix ratios, and 10% wastage.
روزانوPaint Quantity Calculator
Estimate paint liters required from wall dimensions, door and window cutouts, number of coats, coverage rate, and wastage buffer.
روزانوInverter Battery Calculator
Calculate required inverter VA and battery Ah from lights, fans, TV load, backup duration, battery voltage, power factor, and efficiency.
روزانوFuel Cost Mileage Calculator
Calculate trip fuel requirement, total fuel cost, and cost per kilometer from distance, mileage, and fuel price per liter.
روزانوTip and Split Bill Calculator
Calculate total tip, grand total, and exact per-person split from bill amount, tip percentage, and number of people.
روزانوSolar Rooftop Savings Calculator
Estimate rooftop solar system size, PM Surya Ghar subsidy, net installation cost, annual savings, and payback period for Indian homes.
روزانوCarpet 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.
روزانوEV 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.
روزانوFinal 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.
روزانوFreelance 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.
روزانوWork 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.
روزانوGPS Speedometer
Use a live GPS speedometer in your browser to track current speed, average speed, top speed, distance, and movement accuracy in km/h, mph, and m/s.
روزانوInternet Speed Test
Run a quick browser-based internet speed test to estimate download speed, upload speed, latency, and connection quality for broadband, Wi-Fi, and mobile data.
روزانوElectricity Bill Calculator India
Estimate your monthly Indian electricity bill from lights, fans, TV, AC, fridge, washing machine, geyser, appliances, provider slab tariff, fixed charge, and electricity duty.
روزانوElectricity Appliance Cost Calculator
Calculate daily, monthly, and yearly electricity cost for any appliance from watts, usage hours, electricity rate, and billing days.
روزانوRTO Road Tax Calculator India
Estimate Indian vehicle RTO road tax from ex-showroom price, vehicle type, fuel type, and state tax rate.
روزانوTraffic Challan Fine Estimator
Estimate common Indian traffic challan fine impact with offence count, base fine, repeat multiplier, and court/late fees.
روزانوQR Code Generator
Generate a quick QR code for links, UPI text, contact text, or plain messages.
روزانوBarcode Generator
Generate CODE128, EAN-13, UPC and CODE39 barcodes locally. Validate content, preview the barcode and download a PNG for labels.
روزانوImage Compressor
Compress JPG and PNG images client-side for smaller file size before sharing or uploading.
روزانوPDF Tools
Merge PDFs, extract selected pages or rotate pages by 90 degrees directly in your browser. Download the result without uploading your documents.
روزانوPassword Generator
Generate secure random passwords in your browser using the Web Crypto API.
روزانوStopwatch and Timer
Time workouts and work sessions with a stopwatch, lap splits, pause and resume, or a countdown timer that runs locally in your browser.
روزانوGST Invoice Maker
Create a quick GST invoice draft with taxable amount, GST amount, and total payable value.
روزانوRent Receipt Generator
Generate a quick Indian rent receipt draft for HRA documentation and monthly rent records.
روزانوElectricity Bill Text Reader
Paste electricity bill text to identify consumption in kWh and the payable amount. Review detected values before using them in an electricity estimate.
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