Rule of thumb

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How Everything Works on Instagram: "The “rule of thumb” is a practical method for estimating measurements using the proportions of the human hand. For instance, the length of an adult thumb is often close to an inch, while the span from the tip of the thumb to the tip of the little finger with the hand fully extended approximates six to eight inches. The width of the palm can be used to gauge four inches, and the distance from the base of the hand to the tip of the middle finger roughly measures seven to eight inches. These hand-based approximations stem from ancient practices, where body parts were used as reference tools for everyday measurements before standardized units became prevalent. While not precise, these methods remain useful for quick, informal estimations." The Middle Finger, Rule Of Thumb, Human Hand, Quick Guide, Survival Skills, The Hand, The Middle, The Unit, Tools

How Everything Works on Instagram: "The “rule of thumb” is a practical method for estimating measurements using the proportions of the human hand. For instance, the length of an adult thumb is often close to an inch, while the span from the tip of the thumb to the tip of the little finger with the hand fully extended approximates six to eight inches. The width of the palm can be used to gauge four inches, and the distance from the base of the hand to the tip of the middle finger roughly…

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