Reference of Measurements in Halacha: Difference between revisions

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# According to Rav Moshe Feinstein, the Amah is 21.25 inches, the Tefach is 3.54 inches , the Etzbah is 0.89 inches. <ref> Sh”t Igrot Moshe O”C 1:136 </ref>
==Kezayit==
# According to Rav Chaim Noeh, the Amah is 48 centimeters (18.90 inches), the Tefach is 8 centimeters (3.15 inches), the Etzbah is 2 centimeters (0.79 inches) <ref>Shiurei Torah (by Rav Chaim Noeh, Siman 3 Seif 25 pg 249) </ref>
# According to Rav Chaim Noeh, the Kezayit for Deoritta measures (eating Matzah) and Bracha Achrona is 25.6 cc (in volume). Nonetheless because food stuck in between one's teeth doesn't count towards a Kezayit eaten one should make sure to have 28.8 cc. Regarding a Kezayit for derabbanan measures (eating maror) the kezayit is 17.3 cc. <ref>Shiurei Torah (by Rav Chaim Noeh, Siman 3 Seif 13 pg 191) </ref>
==Kedi Achilat Pras==
# According to Rav Chaim Noeh, the Kedi Achilat Pras is 4 minutes for measuring eatings for a mitzvah or bracha Achrona, however regarding a sick person eating in intervals on Yom Kippur the Kedi Achilat Pras should be measured as 9 minutes. <ref>Shiurei Torah (by Rav Chaim Noeh, Siman 3 Seif 15 pg 203) </ref>
==Amah, Tefach, Etzbah==
# According to Rav Moshe Feinstein, the Amah is 21.25 inches (53.98 centimeters), the Tefach is 3.54 inches (9.00 centimeters), and the Etzbah is 0.89 inches (2.25 centimeters). <ref> Sh”t Igrot Moshe O”C 1:136 </ref>
# According to Rav Chaim Noeh, the Amah is 18.90 inches (48 centimeters), the Tefach is 3.15 inches (8 centimeters), and the Etzbah is 0.79 inches (2 centimeters) <ref>Shiurei Torah (by Rav Chaim Noeh, Siman 3 Seif 25 pg 249) </ref>
# According to the Chazon Ish, the Amah is 24 inches (60.96 centimeters), the Tefach is 4 inches (10.16 centimeters), and the Etzbah is 1 inch (2.54 centimeters). <ref> Shiurin shel Torah (pg 3) by the Steipler quoting the Chazon Ish but admitting that these are approximate measures because of the need to publicize the measures but not an accurate calculation. </ref>
==References==
==References==
<references/>
<references/>

Revision as of 01:25, 27 June 2011

Kezayit

  1. According to Rav Chaim Noeh, the Kezayit for Deoritta measures (eating Matzah) and Bracha Achrona is 25.6 cc (in volume). Nonetheless because food stuck in between one's teeth doesn't count towards a Kezayit eaten one should make sure to have 28.8 cc. Regarding a Kezayit for derabbanan measures (eating maror) the kezayit is 17.3 cc. [1]

Kedi Achilat Pras

  1. According to Rav Chaim Noeh, the Kedi Achilat Pras is 4 minutes for measuring eatings for a mitzvah or bracha Achrona, however regarding a sick person eating in intervals on Yom Kippur the Kedi Achilat Pras should be measured as 9 minutes. [2]

Amah, Tefach, Etzbah

  1. According to Rav Moshe Feinstein, the Amah is 21.25 inches (53.98 centimeters), the Tefach is 3.54 inches (9.00 centimeters), and the Etzbah is 0.89 inches (2.25 centimeters). [3]
  2. According to Rav Chaim Noeh, the Amah is 18.90 inches (48 centimeters), the Tefach is 3.15 inches (8 centimeters), and the Etzbah is 0.79 inches (2 centimeters) [4]
  3. According to the Chazon Ish, the Amah is 24 inches (60.96 centimeters), the Tefach is 4 inches (10.16 centimeters), and the Etzbah is 1 inch (2.54 centimeters). [5]

References

  1. Shiurei Torah (by Rav Chaim Noeh, Siman 3 Seif 13 pg 191)
  2. Shiurei Torah (by Rav Chaim Noeh, Siman 3 Seif 15 pg 203)
  3. Sh”t Igrot Moshe O”C 1:136
  4. Shiurei Torah (by Rav Chaim Noeh, Siman 3 Seif 25 pg 249)
  5. Shiurin shel Torah (pg 3) by the Steipler quoting the Chazon Ish but admitting that these are approximate measures because of the need to publicize the measures but not an accurate calculation.