Ok that is great
Take a pair of regular rise jeans that and fit you well and wrap the waistband around your neck, see if the two sides meet.
Mine is an exact match, and now I can check sizes to match my natural waist at the thrift store, heck yeah
the mastodon instance at cybre.space is retired see the end-of-life plan for details: https://cybre.space/~chr/cybre-space-eol