Technology Calculators

Use these tools for digital storage, networking, speed, and technical reference calculations.

All Networking Design & Display Internet & Data

Bandwidth / Download Time Calculator

Beginner

Bandwidth / Download Time is evaluated from File Size, File Size Unit and Connection Speed. The calculation reports Transfer Time, Transfer Time and Effective Speed.

Color Converter (HEX ↔ RGB ↔ HSL)

Beginner

Color Converter (HEX ↔ RGB ↔ HSL) is evaluated from Red, Green and Blue. The calculation reports HEX, RGB and Hue.

IP Subnet / CIDR Calculator

Intermediate

IP Subnet / CIDR is evaluated from CIDR Prefix Length. The calculation reports Subnet Mask, Total Addresses and Usable Host Addresses.

Aspect Ratio Calculator

Beginner

Aspect Ratio is evaluated from Width and Height. The calculation reports Ratio Width, Ratio Height and Aspect Ratio.

Internet Speed Converter

Beginner

Internet Speed Converter is evaluated from Speed Value and From Unit. The calculation reports bits/s, Kbps and Mbps.

IP Address Converter

Beginner

IP Address Converter is evaluated from First Octet, Second Octet and Third Octet. The calculation reports Dotted Decimal, Binary and 32-bit Integer.

Data Transfer Rate Calculator

Beginner

Data Transfer Rate is evaluated from Data Size and Transfer Time. The calculation reports Required Speed, Required Speed and Required Speed.

PPI / Screen Resolution Calculator

Beginner

PPI / Screen Resolution is evaluated from Horizontal Resolution, Vertical Resolution and Screen Diagonal Size. The calculation reports Pixels Per Inch, Dots Per Inch and Total Pixels.

Image File Size Calculator

Beginner

Image File Size is evaluated from Image Width, Image Height and Bit Depth. The calculation reports Uncompressed Size, JPEG Estimate and PNG Estimate.

Password Strength Meter

Beginner

Password Strength Meter is evaluated from Password Length, Contains Lowercase? and Contains Uppercase?. The calculation reports Character Set Size, Possible Combinations and Entropy.

Secure Password Generator

Beginner

Secure Password Generator is evaluated from Password Length, Include Lowercase and Include Uppercase. The calculation reports Character Pool Size, Password Entropy and Possible Combinations.