guides & explainers
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The formulas, conventions and tricks behind the tools.
Page 54 of 358
Women Waist-to-Height Ratio Calculator — How It Works
Free women waist-to-height ratio calculator. Calculate the waist-to-height ratio and health risk level for Women.
waist to height ratio body measurements health
Yoga Heart Rate Zone Calculator — How It Works
Free yoga heart rate zone calculator. Calculate moderate and vigorous heart rate zones for Yoga based on age and resting heart rate.
heart rate zone cardio fitness
Yoga MET Estimate Calculator — How It Works
Free yoga met estimate calculator. Estimate calories burned during Yoga based on body weight, MET value, and duration.
MET calories burned fitness
Yoga Time Calculator — How It Works
Free yoga time calculator. Estimate the time needed for Yoga based on distance and average speed.
time estimate activity tracker fitness
YouTube Audio Bitrate Calculator — How It Works
Free youtube audio bitrate calculator. Calculate the audio bitrate needed to hit a target file size for your YouTube content.
audio bitrate media
YouTube Banner Safe Area Calculator — How It Works
Free youtube banner safe area calculator. Find the safe area for text and logos on your YouTube banner so nothing gets cropped.
banner safe area design
YouTube Color Contrast Calculator — How It Works
Free youtube color contrast calculator. Check the WCAG contrast ratio between two colors for your YouTube designs.
color contrast accessibility WCAG
YouTube File Compression Calculator — How It Works
Free youtube file compression calculator. Estimate the compressed file size and savings for your YouTube images.
compression file size design
YouTube Frame Rate Calculator — How It Works
Free youtube frame rate calculator. Calculate the frame rate (fps) from total frames and duration for your YouTube video.
frame rate fps video
YouTube Golden Ratio Calculator — How It Works
Free youtube golden ratio calculator. Apply the golden ratio (1:1.618) to a width to find a balanced height for your YouTube layout.
golden ratio layout design
YouTube Gradient Generator Calculator — How It Works
Free youtube gradient generator calculator. Generate a CSS linear-gradient between two colors for your YouTube designs.
gradient CSS design
YouTube Grid Layout Calculator — How It Works
Free youtube grid layout calculator. Calculate column widths for a grid layout on your YouTube canvas given columns and gutter size.
grid layout design