<math> Grauwasserbeda\mathit{rf} = 112 \times 48\ \frac{l}{Person\cdot Tag} \ (\mathit{WC}, \mathit{Wa}schen, Reinigen, Bew\ddot{a}ssern) = 5.376\ \frac{l}{Tag} </math>
G r e y w a t e r n e e d = 112 × 48 L p e r s o n ⋅ d a y ( t o i l e t , w a s h i n g , c l e a n i n g , i r r i g a t i o n ) = 5 , 376 L d a y {\displaystyle Greywater\ need=112\times 48\ {\frac {L}{person\cdot day}}\ (toilet,{\mathit {wa}}shing,cleaning,irrigation)=5,376\ {\frac {L}{day}}}
