Tech & IT Calculators

Calculate dipole and quarter-wave antenna lengths from frequency.

Free online aspect ratio calculator. Resize images and videos while maintaining the perfect proportions.

Estimate audio file size based on format and duration.

Convert American Wire Gauge to diameter in mm and area in mm².

Quickly encode or decode text strings using Base64.

Estimate how long a battery will last under a specific load.

Convert numbers between decimal, binary, and hexadecimal.

Calculate equivalent shutter speeds when changing aperture or ISO.

Quickly generate random harmonious colors.

Understand what your cron job schedule means.

Calculate the equivalent focal length of a camera lens on different sensor sizes.

Calculate how long a file download or data transfer will take based on file size and internet speed.

Convert RF power between dBm and Watts/milliwatts.

Photographers calculate depth of field for photos.

Free online download time calculator. Estimate how long it will take to download or upload a file based on your internet speed.

Free online eDPI calculator. Calculate your Effective Dots Per Inch to compare mouse sensitivity with pro gamers across Valorant, CS2, and more.

Calculate how long it takes to copy a file.

Convert Field of View between aspect ratios (16:9, 4:3) for gaming.

Convert field of view parameters between games.

Calculate the RF signal attenuation over a distance in free space.

Convert the manufacturer's name of TB to computer display of TiB.

Calculate the required thermal resistance for a heat sink.

Convert color codes between Hexadecimal and RGB values.

Converts a hexadecimal (Hex) string to human-readable ASCII text.

Calculate the inductance of a single-layer air-core solenoid.

Free online IP subnet calculator. Calculate subnet masks, network addresses, broadcast addresses, and usable host ranges.

Calculate the number of /64 subnets available in an IPv6 block.

Calculate the required resistor value for an LED circuit.

Convert file permissions to numeric chmod octals.

Calculate League of Legends RP value.

Generate a random valid MAC address format.

Calculate the total number of pixels in a photo.

Calculate the frame time in milliseconds for any refresh rate.

Calculate real mouse sensitivity in games.

Calculate the cryptographic strength of your password.

Calculate the required trace width for a given current on a PCB.

Calculates flushable physical size in terms of pixels.

Calculate the pixel pitch (distance between pixels) for a display.

Calculate the required wattage for a power supply (Watts = Volts x Amps).

Calculate the Pixels Per Inch density of a display.

Free online PPI calculator. Find the Pixels Per Inch (PPI), dot pitch, and aspect ratio of any display or monitor.

Calculate usable storage space in different RAID configurations.

Calculate the resistance of a 4-band resistor.

Scale a resolution while maintaining its aspect ratio.

Calculate the true value of Roblox coins.

Estimate earnings from the TikTok Creator Fund based on video views.

Calculate the optimal TV size for your viewing distance.

Calculate how long your drone’s battery will last.

Estimate battery backup time based on load and battery capacity.

Calculate Fortnite V Coin value.

Calculate Valorant perk point value.

Estimate video file size based on bitrate and duration.

Calculate the output voltage of a resistive divider circuit.

Calculate the active area of the VR device.

Calculate how much hosting bandwidth your website needs based on traffic and page size.

Calculate your typing speed in Words Per Minute.

Estimate how much money a YouTube channel makes based on views and average CPM.