iTechVora Tools
Good tech. Better decisions.
Useful calculators and visual tools for the technology you use every day. Free, no signup, no uploads.
TV Size & Viewing Distance
Find a screen size or seating distance that fits your room.
Open tool TV, Mobile & ComputingScreen Size Comparison
Compare visible width, height and area across TVs, phones, laptops and monitors.
Open tool Mobile & BatteryPower Bank Charges Calculator
Estimate full-charge equivalents using battery energy, not just mAh.
Open tool Internet & StorageDownload Time Calculator
Turn a file size and connection speed into a practical time estimate.
Open tool Mobile & BatteryBattery Charging Time Calculator
Explore an estimated charging window with explicit power and taper assumptions.
Open tool Screens & DisplaysDisplay Pixel Density Calculator
Compare resolution and diagonal size to understand screen sharpness.
Open tool Internet & StorageStorage Capacity Planner
Check how many files fit after allowing for system space and a free-space reserve.
Open tool Internet & StorageStreaming Data Usage Calculator
Plan daily and monthly data use from your streaming bitrate and viewing hours.
Open tool Energy & BatteriesDevice Electricity Cost Calculator
Estimate TV, PC or monitor running costs, including standby power.
Open tool Energy & BatteriesLaptop Battery Runtime Calculator
Estimate unplugged runtime using battery energy, health and average power draw.
Open toolCalculations run in your browser. Each tool explains its formula and limitations.