Ibhodi elingunxande: Ubude × Ububanzi × Ubukhulu × Ubuningi
isilinda noma imbobo: π × (ububanzi ÷ 2)² × ukujula × ubuningi
Izinga lokulahlekelwa liyengezwa ngemva kokuba ingqikithi yokubala yevolumu isiqediwe. Inani lezikhwama liyagoqwa ngokuya ngokuphuma kwesikhwama ngasinye, ngakho umthamo wangempela othengiwe uvame ukuba phezulu kancane kunomthamo ohlanganisa nokulahlekelwa.
Umphumela uba isilinganiso sokuthengwa kwezinto, hhayi ukwakheka kwesakhiwo. Sicela uhlole ubukhulu bendawo, ukujiya kwedizayini, isisekelo esiphansi, okukhipha umkhiqizo ngesikhwama ngasinye kanye nezidingo zomphakeli; amaphrojekthi anzima noma athwala imithwalo kufanele abuyekezwe ngochwepheshe.
Buka imiyalelo ye-QUIKRETE yokubala umthamo okhonkolo osemthethweniKhetha ipuleti elingunxande noma isilinda, faka ubukhulu bese wengeza izinga lokulahlekelwa. Okukhishwayo kwemikhiqizo ehlukene kuhlukile, sicela ugcwalise okukhiphayo kwangempela isikhwama ngasinye esimakwe ephaketheni.