Digital & Media Calculators and Tools

Developer & Design

• Animation Duration Calculator

  Calculate animation duration from frame count and frames per second.

• Animation Frame Count Calculator

  Calculate how many frames an animation contains from its duration and frame rate.

• Animation Stagger Duration Calculator

  Calculate the total delay span across a staggered animation sequence.

• Base64 Size Increase Calculator

  Estimate the encoded size after converting binary data to Base64.

• Binary to Decimal Converter

  Convert a binary number into its decimal value.

• Colour Contrast Ratio Calculator

  Calculate the contrast ratio between two colours.

• CSS Clamp Preferred Value Calculator

  See the value produced when a preferred CSS size is constrained by a minimum and maximum.

• CSS Percentage to Pixels Calculator

  Convert a percentage of a containing size into pixels.

• Date to Unix Timestamp Converter

  Convert a date and time into a Unix timestamp in the selected unit.

• Decimal to Binary Converter

  Convert a decimal integer into binary notation.

• Decimal to Hex Converter

  Convert a decimal integer into hexadecimal notation.

• Device Pixel Ratio Calculator

  Calculate device pixel ratio from physical pixels and CSS pixels.

• EM to Pixels Converter

  Convert an em value to pixels using the element font size.

• Frame Time Calculator

  Convert frames per second into the number of milliseconds available for each frame.

• Hex to Decimal Converter

  Convert a hexadecimal number into its decimal value.

• Hex to RGB Converter

  Convert a six-digit hexadecimal colour code into RGB values.

• HSL to Hex Converter

  Convert HSL colour values into a hexadecimal colour code.

• JSON Text Size Calculator

  Measure the UTF-8 byte size of JSON text and see the equivalent size in kilobytes.

• Pixels to REM Converter

  Convert pixels to rem units using the root font size.

• REM to Pixels Converter

  Convert a rem value to pixels using the root font size.

• RGB to Hex Converter

  Convert red, green and blue channel values into a hexadecimal colour code.

• Seconds to HH:MM:SS Converter

  Convert a number of seconds into hours, minutes and seconds.

• Unix Milliseconds to Date Converter

  Convert a Unix timestamp in milliseconds into a readable UTC date and time.

• Unix Timestamp to Date Converter

  Convert a Unix timestamp in seconds into a readable UTC date and time.

• VW to Pixels Converter

  Convert a vw value to pixels from the viewport width.

Files & Transfer

• Audio Bitrate Calculator

  Calculate average audio bitrate from file size and audio duration.

• Audio Compression Savings Calculator

  Compare original and compressed audio sizes to see the space saved and percentage reduction.

• Audio Duration From File Size Calculator

  Estimate audio duration from file size and bitrate.

• Audio File Size Calculator

  Estimate audio file size from bitrate and duration.

• Audio Storage Per Hour Calculator

  Estimate how much storage one hour of audio uses at the entered bitrate.

• Download Percentage Complete Calculator

  See what percentage of a file download is complete from downloaded size and total file size.

• Download Time Difference Calculator

  Compare two download durations and see how much time is saved.

• File Download Time Calculator

  Estimate how long a file download will take from file size and download speed.

• File Size From Transfer Time Calculator

  Estimate how much data can be transferred in a given time at the selected transfer speed.

• File Upload Time Calculator

  Estimate how long a file upload will take from file size and upload speed.

• Monthly Streaming Data Calculator

  Estimate monthly streaming data usage from hourly use, hours per day and days per month.

• Required Download Speed Calculator

  Calculate the average download speed needed to transfer a file within the target time.

• Required Upload Speed Calculator

  Calculate the average upload speed needed to transfer a file within the target time.

• Streaming Bitrate From Data Usage Calculator

  Estimate average streaming bitrate from total data used and viewing time.

• Streaming Data Per Hour Calculator

  Estimate how much data one hour of streaming uses at the entered bitrate.

• Streaming Data Usage Calculator

  Estimate streaming data usage from bitrate and viewing duration.

• Streaming Hours From Data Cap Calculator

  Estimate how many hours of streaming fit inside a data cap at the entered bitrate.

• Transfer Time With Overhead Calculator

  Estimate transfer time after adding the percentage overhead you enter.

• Upload Percentage Complete Calculator

  See what percentage of a file upload is complete from uploaded size and total file size.

• Upload Time Difference Calculator

  Compare two upload durations and see how much time is saved.

• Video Bitrate Calculator

  Calculate average video bitrate from file size and video duration.

• Video Compression Savings Calculator

  Compare original and compressed video sizes to see the space saved and percentage reduction.

• Video Duration From File Size Calculator

  Estimate video duration from file size and bitrate.

• Video File Size Calculator

  Estimate video file size from bitrate and duration.

• Video Storage Per Hour Calculator

  Estimate how much storage one hour of video uses at the entered bitrate.

Images & Screens

• Aspect Ratio Calculator

  Calculate the aspect ratio from an image or screen width and height.

• Aspect Ratio Simplifier

  Reduce an entered width-to-height ratio to its simplest whole-number form.

• Banner Aspect Ratio Calculator

  Calculate the aspect ratio of a banner from its width and height.

• Crop Padding Calculator

  Calculate equal side padding needed to fit the entered content width inside a target width.

• DPI to Pixel Size Calculator

  Convert a physical print size and DPI into the required pixel dimension.

• Image Crop Percentage Calculator

  Calculate what percentage of an image is removed by the crop dimensions.

• Image Crop Size Calculator

  Find the largest crop dimensions that fit inside the source image at the target aspect ratio.

• Image Megapixel Calculator

  Convert image width and height in pixels into a megapixel count.

• Image Orientation Checker

  Check whether the entered image dimensions are landscape, portrait or square.

• Image Pixel Count Calculator

  Calculate the total number of pixels from image width and height.

• Image Resize Calculator

  Calculate the proportional target height when an image is resized to a new width.

• Image Resolution Difference Calculator

  Compare two pixel resolutions and find the difference in total pixel count.

• Image Scale Percentage Calculator

  Compare a new image dimension with the original and express the scale as a percentage.

• Pixel Density Difference Calculator

  Compare two pixel-density values and find the PPI difference.

• Pixels Needed for Print Calculator

  Calculate the pixel width needed for a print size at the target PPI.

• Pixels to Physical Size Calculator

  Convert a pixel dimension to its physical size in inches at the entered PPI.

• Print PPI Calculator

  Calculate print pixel density from pixel width and physical print width.

• Print Size From Pixels Calculator

  Calculate print width from pixel width and target PPI.

• Proportional Image Height Calculator

  Calculate a new image height while preserving the original aspect ratio.

• Proportional Image Width Calculator

  Calculate a new image width while preserving the original aspect ratio.

• Screen Diagonal Calculator

  Calculate screen diagonal size from the physical width and height.

• Screen Dimensions Calculator

  Calculate physical screen width and height from diagonal size and aspect ratio.

• Screen PPI Calculator

  Calculate screen pixel density from resolution and diagonal screen size.

• Thumbnail Size Calculator

  Resize an image proportionally so its longest side fits the maximum thumbnail size.

• Uncompressed Image Size Calculator

  Estimate uncompressed image size from pixel dimensions, colour channels and bits per channel.

Text & Content

• Article Keyword Density Calculator

  Measure how often a keyword or phrase appears relative to the article's word count.

• Article Paragraph Counter

  Count the number of paragraphs in an article from the text you enter.

• Article Reading Time Calculator

  Estimate article reading time from word count and reading speed.

• Article Sentence Counter

  Count the number of sentences in an article from the text you enter.

• Article Word Counter

  Count the number of words in an article from the text you enter.

• Meta Description Character Counter

  Count the characters in a meta description.

• Meta Description Characters Remaining Calculator

  See how many characters remain before a meta description reaches the character limit you set.

• Meta Description Length Comparison Tool

  Compare two meta descriptions by length and see the difference between them.

• Meta Description Length Status Checker

  Check whether a meta description falls below, within or above the character range you set.

• Meta Description Word Counter

  Count the number of words in a meta description.

• Meta Title Character Counter

  Count the characters in a meta title.

• Meta Title Characters Remaining Calculator

  See how many characters remain before a meta title reaches the character limit you set.

• Meta Title Length Comparison Tool

  Compare two meta titles by length and see the difference between them.

• Meta Title Length Status Checker

  Check whether a meta title falls below, within or above the character range you set.

• Meta Title Word Counter

  Count the number of words in a meta title.

• Reading Time From Text Calculator

  Estimate how long pasted text will take to read at the chosen reading speed.

• Speaking Time From Text Calculator

  Estimate how long pasted text will take to speak at the chosen words-per-minute rate.

• Speech Length Difference Calculator

  Compare two speech drafts by word count and see the difference between them.

• Speech Pause Allowance Calculator

  Add a percentage pause allowance to a base speaking duration.

• Speech Speaking Pace Calculator

  Calculate speaking pace in words per minute from the speech word count and actual spoken duration.

• Speech Time Calculator

  Estimate speech duration from the word count and speaking speed.

• Speech Word Target Calculator

  Estimate the word count needed to fill a target speaking duration at the chosen speaking speed.

• Text Compression Ratio Calculator

  Compare original and compressed text sizes to see the compression ratio and percentage saving.

• Text Length Difference Calculator

  Compare two text blocks by word and character length.

• Text Word-to-Character Ratio Calculator

  Find the average number of characters per word in the text.

Prepare text for a page title

Count the title text, then check the description in its own counter. Review the wording for clarity; these tools do not predict search rankings or truncation.

1. 1. Title character count
2. 2. Description character count

Common questions