Although standard rate is defined above, it is really only a concept; in practice the standard rate of working is function of the situation, e.g. the physical conditions, the type of labour, company policy, etc. British standard 100 is considered to be equivalent to a walking speed of a constant 100 is considered to be equivalent to a walking speed of a constant 4 miles/hour, but this cannot be used in industry.
Ingawa kiwango cha kiwango cha inaelezwa hapo juu, ni kweli tu dhana; katika mazoezi kiwango cha kiwango cha kazi ni kazi ya hali hiyo, kwa mfano, hali ya kimwili, aina ya kazi, sera ya kampuni, nk Uingereza kiwango cha 100 ni kuchukuliwa kuwa sawa na kutembea kasi ya mara kwa mara 100 ni kuchukuliwa kuwa sawa na kutembea kasi ya mara kwa mara 4 maili / saa, lakini hii hawawezi kutumika katika sekta hiyo.