Introduction: Placenta makes connection between mother and foetus through umbilical cord. A healthy placenta is single most important factor producing healthy baby. Main mass of placenta is formed by villous and intervillous spaces. Volume of villi gradually increases with advancement of pregnancy. Aim and objective: The purpose of study was to correlate fetal birth weight with villous volume. Material and Methods: Twenty two placentae were obtained. Volume of placentae was obtained by fluid displacement method. Histological examination was done after staining with haemotoxylin & eosin, Van Gieson and Masson’s trichrome method. Size of villi was obtained by Micrometry technique and percentage of villous volume was obtained by Point Counting technique. Result and Conclusion: Volume of villi in second trimester and third trimester placentae was 70ml and 317ml respectively. The present study provided data of placental villous volume/fetal weight is better indicator of fetal well being than conventionally used placental/fetal weight ratio. Pathologist can use provided data for comparison of villous volume with diabetic and hypertensive mother.