द्वादशाङ्गुला वितस्तिः छायापौरुषं च ॥ कZ_०२.२०.१० ॥
dvādaśāṅgulā vitastiḥ chāyāpauruṣaṃ ca
ವಿತಸ್ತಿ (ಕೈಯ ವಿಸ್ತಾರ) ಹನ್ನೆರಡು ಅಂಗುಲಗಳು; ಹಾಗೆಯೇ ‘ಛಾಯಾ-ಪೌರುಷ’ (ನೆರಳು-ಪುರುಷ) ಮಾಪವೂ ಅದಕ್ಕೆ ಅನುಗುಣವಾಗಿ ನಿರ್ವಚಿಸಲಾಗುತ್ತದೆ.
Because uniform base units reduce disputes and corruption in surveying, wage-work measurement, procurement, and tax assessment.
It provides a practical, reproducible field method for estimating standardized height/length relationships during surveying and construction checks.