yes hema manju is right 1 liter se 200 gm ke aas paas khoya ban jata hai . waise khoya ke bohot sare variations aatein hai alag alag desserts  ke liye alag alag tarah ke  khoye ( basically hard and soft)  ka use kiya jata hai toh use hisab se khoye ke qauntity mein bhi fark aata hai yeh use par depend hota hai ki aap kis tarah ka khoya bana rhi hai. and yes as already mentioned by manju do not forget to use good qaulity of whole milk.

 1 liter doodh me 200gm khoya banega agar achha doodh ho to