चतुष्पञ्चाशदङ्गुलः कूप्यवनहस्तः ॥ कZ_०२.२०.१६ ॥
catuṣpañcāśadaṅgulaḥ kūpyavanahastaḥ
കൂപ്യവനഹസ്തം 54 അങ്കുലമാണ്.
It supports standardized measurement for timber/forest produce assessment, preventing under-reporting and easing enforcement.