• Streaming Bitrate Calculator
    Calculate video/audio file size and required bandwidth from bitrate and duration. Convert Mbps and seconds into MB and GB instantly.
  • RAM Latency Calculator
    Calculate true RAM latency in nanoseconds from CAS latency (CL) and memory speed (MT/s). Compare DDR4 and DDR5 modules instantly with this free tool.
  • Video Frame Size Calculator
    Calculate the average size of a single video frame in bytes from bitrate and frame rate, plus the total file size for any clip duration.
  • TV Size Calculator
    Find the ideal TV screen size for your room. Enter your viewing distance and get the recommended 16:9 diagonal, width, and height instantly.
  • TV Mounting Height Calculator
    Find the perfect TV wall mount height. Enter your seated eye level, screen height and tilt to get the exact bottom-edge mounting height in inches.
  • Time Lapse Calculator
    Calculate time-lapse clip length, total frames and shooting time from your interval and playback frame rate. Free, instant photography planner.
  • Timecode to Frames Calculator
    Convert SMPTE timecode (HH:MM:SS:FF) into a total frame count at any frame rate — 24, 25, 29.97, 30, 60 fps and more. Fast and free.
  • Resolution Scale Calculator
    Scale any image or video resolution by a factor. Calculate the new width, height, total pixel count and megapixels instantly with this free tool.
  • Pixels to Print Size Calculator
    Convert image pixel dimensions to print size in inches and centimeters at a chosen DPI/PPI. Find the largest quality print your photo can make.
  • Image File Size Calculator
    Estimate an image's file size from width, height, color depth and compression. Get the result in bytes, KB and MB instantly.
  • Image Aspect Ratio Calculator
    Find the aspect ratio of any image and calculate proportional resize dimensions. Enter width and height to get the simplified W:H ratio instantly.
  • Frames to Timecode Calculator
    Convert a total frame count to SMPTE timecode (HH:MM:SS:FF) using any frame rate. Get hours, minutes, seconds, frames and total duration instantly.
  • Contrast Ratio Calculator
    Calculate WCAG color contrast ratio from RGB values. Check AA and AAA accessibility compliance using relative luminance: (L1+0.05)/(L2+0.05).
  • Password Entropy Calculator
    Calculate password entropy in bits from length and character set. See strength and estimated crack time using the formula bits = length × log2(charset).
  • Hamming Distance Calculator
    Calculate the Hamming distance between two strings or bit sequences — the number of positions where the symbols differ. Free, instant, and accurate.
  • Shannon Entropy Calculator
    Calculate Shannon entropy (in bits) from a probability distribution or raw counts using H = −Σ pi log2(pi). Get entropy, max entropy, and efficiency.
  • Password Combination Calculator
    Calculate the total number of possible password combinations and entropy in bits from your character set size and password length.
  • Leaky ReLU Activation Function Calculator
    Compute the Leaky ReLU activation f(x)=x if x>0 else alpha*x. Sweep a range of x values, get a table of (x, f(x)) pairs and plot the curve.
  • Aspect Ratio Calculator
    Aspect Ratio Calculator - Calculate the aspect ratio easily. Enter the width and height to get the precise aspect ratio for your images or videos instantly.
  • Text to Binary (ASCII) Converter
    Convert any text to binary online. Each character becomes its ASCII code, then an 8-bit binary string. Get spaced, continuous, and decimal output instantly.
  • Slow Motion Calculator
    Calculate slow-motion playback duration and slowdown factor from your capture and playback frame rates. Free, instant slow-mo video calculator.
  • Video Frame Count Calculator
    Calculate the total number of frames in a video from its duration and frame rate (fps). Enter minutes, seconds and fps to get the exact frame count.
  • Password Crack Time Calculator
    Estimate how long a brute-force attack needs to crack your password from its length, character set and an attacker's guesses per second.
  • WCAG Color Contrast Ratio Calculator
    Check the WCAG 2.x color contrast ratio between two hex colors. See if your text passes AA and AAA accessibility standards for normal and large text.