Questions tagged [shiurim-measurements]
measurements relating to the performance of different Mitzvot
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How many calories are in a KeZayith of flour?
I've often wondered how I can be sure I've eaten a KeZayith of flour when I eat something small but complete - like one cookie - and struggle with the decision of whether or not to eat more in order ...
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A shorter person with a normal sized tallis katan
A theoretical question: If a young person (a boy for example that is 13 yrs old) that happens to be very short (not because of any physical disability) wears a normal size tallis katan it will be very ...
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Bentching Ha-Gommel after a Birth
After a woman gives birth many have the custom of reciting the blessing of "ha-gommel" (a blessing of Thanks.) Until how long after a birth may this blessing by recited? (i.e. can it be said even a ...
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What is the shiur for anointing on Yom Kippur?
Is there a minimum shiur to be chayav (liable) for anointing on Yom Kippur, and, if so, what is it? The gemarah (Yoma 76b) seems to learn it out as a comparison to food consumption: would that mean it ...
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Kapparos on money - How much?
If one does the Minhag of Kapparos on money, how much money should be used for each person? (Sources.)
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How obligated is one to say Kaddish for a deceased relative?
People often talk about an obligation -- Chiyuv -- to recite Kaddish at every opportunity for some time after the death of a relative. (Which relatives are obligated and for how long does not seem ...
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Delaying using the toilet
According to Gemara Makkot 16b, the phrase in Vayikra 20:25
... and do not make your souls disgusting - וְלֹא תְשַׁקְּצוּ אֶת נַפְשֹׁתֵיכֶם
is a command not to hold in the urge to urinate or ...
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Challah Loaves on Shabbat have a minimum size?
In this article regarding the Shabbat Challah loaves, The Shmirat Shabbat KeHilchata (vol. II 55:5) is quoted as saying:
The loaves must each be at least the size of an olive
Normally, the size of ...
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Beis Shammai's dinar for kiddushin - philosophy?
The Mishna in Kiddushin (1:1) outlines a machlokes regarding the minimum amount of money necessary to effect kiddushin (i.e. create a marriage).
According to Beis Hillel, the amount of money (or ...
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Upper limits of "kovea itim"
It is known from the gemara (Shabbos 31a and cited in maamar Toras HaBayis ch. 1, among other places) that when a person dies, he is asked if he had set times for learning. I know that these times can ...
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Why does Ezekiel describe the maneh as 20 + 25 + 10 + 5 shekels instead of just saying 60?
Ezekiel 45:12, in discussing just weights and measures, says:
וְהַשֶּׁקֶל, עֶשְׂרִים גֵּרָה; עֶשְׂרִים שְׁקָלִים חֲמִשָּׁה וְעֶשְׂרִים שְׁקָלִים, עֲשָׂרָה וַחֲמִשָּׁה שֶׁקֶל--הַמָּנֶה, יִהְיֶה לָכֶם.
...
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What is the minimum shiur for dehydrated maror?
Given that you can use dried maror for the seder (Mishna Pesachim 2:6), and assuming that horseradish is actually maror, what is the minimum shiur of dried horseradish (e.g. horseradish powder)? Is it ...
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Figuring out a K'zayit by weight/volume of ingredients
In this question, I learned that one measures the amount of flour used to determine whether challah separation is necessary. Here I learned that there is a difference of opinion between (some) ...
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Ending place of the Peya
It seems from my understanding of the Shulhan Aruch (Y"D 181:9) that the picture above is the Shiur of the Peya. However it seems like most people say it goes until the bone like the picture below.
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What is the source for the current Shiurim that we have?
There are generally two types of Shiurim, the "classic" type (R' Avrohom Chaim Noeh) which says that when we measure an Amah nowadays it is roughly the size of an Amah in the time of the Beis ...
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How big, and what exactly, is "Kedei Kelipah"?
{Kedei Kelipah is a term used in Kashruth for the amount of something that needs to be removed in order to allow one to treat the remnant as Kosher. (This only applies under certain conditions, which ...
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The size/shape of biblical Israel
Based on this Tosafot in Bava Metzia 28a (D"H Chamisha Asar Yom), Eretz Israel is a square (400 sq. Parsah), and the distance between Jerusalem and the Jordan river is 1/39th the distance between ...
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No mitzvah to wear tefillin every day?
I heard that the Bet HaLevi and the Peri Megadim hold that there is no Mitzva for a person to don Tefilin everyday. Can someone source these opinions and explain exactly what they are meaning to say?
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Within what time frame does one have to give maaser on a large sum?
If someone suddenly has a large sum of money from a lottery or inheritance or gift, how much time does one have to disperse maaser money from that?
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Tzitzit length after knots
Once the Tzitzit have been tied, is there any requirement about their length?
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How long until a bean chulent is totally cooked (mevushal kol tzorko)?
My son has started raiding the chulent Friday night. To be able to return the chulent crock pot back to the casing, everything must be fully cooked. I rarely cook with beans, but would like to try ...
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Connection of Toch Kedei Dibbur to Walking 4 Amot
According to this, the gemara compares Toch Kedei Dibbur (the length of time neccasary to greet someone; see Shalom alecha rebbi (u'mori) ) to the time it takes to walk 4 amot (cubits). Thus, with ...
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18 minute Matzah?
Are there sources EXPLAINING why we have to make matzah within 18 minutes? I understand having a time limit if in fact the reason we eat matzah is to reenact the speed which we left Egypt (that ...
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Is there a minimum size for Chanuka flames?
Do the flames atop the chanukiya need to be a certain size to be valid? At the extreme, are tiny (but sustained) balls of blue flame sufficient?
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Eating out Friday night of Chanukkah
If one is lighting Chanukah candles inside (for whatever reason) relying on the publicizing to himself and his family, then what should he do on Friday night if he is eating out? Must he make the ...
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Is there a time limit for Borei Nefashos and Beracha Me'en Shalosh?
It seems that there's a 72-minute period after eating in which one must bentch.
Does this also apply for Borei Nefashos and Beracha Me'en Shalosh?
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Minimum amount required to drink when making Kiddush on Liquor [duplicate]
Possible Duplicate:
Minimum Shi'ur for Kiddush on liquor
What is the minimum Shi'ur that one is required to consume when making Kiddush on liquor?
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Minimum Shi'ur for Kiddush on liquor
What is the minimum Shi'ur (volume) of a cup required for making Kiddush on liquor? Is there a smaller amount required than there is for wine?
What is the minimum Shi'ur of the liquor that one is ...
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How much of a minimal sized kiddush cup must be consumed?
If someone uses a kiddush cup that is exactly (or close to) the bare minimum (see this question) needed to fulfill the obligation, how much of that cup must he drink?
Do the different times one must ...
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Minimally sized kiddush cup for sale
I read that a reviit (the minimal size for a cup used for kiddush, havdala etc) is 86.4 mL according to the generally accepted view (see here for options). Does anyone know where I can get a cup that ...
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What is a source that allows one to treat one's house as all within four amos?
I am after a source that allows one to treat one's house as all within four amos l'chatchila, with respect to nagel vasser (hand washing in the morning).
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Source for the concept of learning 1 hour on Shabbat is like 1000 during the week?
There is a Benayahu on Taanit 11a I think that may hint to this, but not clear enough. Is there an actual source for "1 hour learning on shabbat is like 1000 hours during the week"?
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How long does one say Kaddish for a parent?
For example, if one's parent died on 1 Nissan, and was buried on 2 Nissan, what is the last day on which kaddish would be said for them?
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What are these three types of Amos?
I'm not one to usually go to Google itself to learn about Judaism, but I feel that the circumstances around how I discovered this is really intriguing...
Google Maps has a nice little feature that ...
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How many rafters invalidate the sukkah?
From my understanding, the roof of a sukkah might consist of two components: rafters and schach.
(Although it seems to me that often the rafters themselves are valid schach, I am under the ...
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Sukkah decoration parameters [duplicate]
Possible Duplicate:
Can too many decorations render a sukkah invalid?
What are all the rules concerning decorations that are hung overhead in a sukkah? In other words, within what measurements (...
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How high before a tree branch does not cause a problem for a Succah?
I have a lovely tree in the back yard, it must be 70-100 years old, maybe 15-20 feet around at the base. First branch is 32 feet up. I know since I used a 35 foot ladder to hang a swing from it, and ...
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Saying 100 Berachoth in a day
What is the source for the idea that one should say 100 Berachoth in a day, and how serious of an obligation is this? Is it mandatory, is it laudatory, or is it merely a nice idea?
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When does counting 100 Brochos per day start and end?
There's a Halacha/Mitzvah to say at-least 100 Brochos a day.
My question is: what does the term "day" mean in this regard. Does a day start at night, and end the following night (as is the case in ...
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Why does writing on Shabbos need two letters?
In order to transgress "writing" (כותב) on Shabbos, (m'd'oraysah) one must write two letters. (See for example here.)
Why is this so? Shouldn't writing anything still be considered writing?
For ...
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What is the source for washing Mayim Acharonim with only a few drops of water?
OC 181 (4) MB [10] says that when washing mayim acharonim one must wash up to the second knuckle and using a few drops does not fulfill the mitzvah at all. Shulchan Oruch HaRav 181 (4) says there is ...
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How long is the required suspension of marital intimacy after childbirth?
How many days a must married couple refrain from intimacy after their baby is born?
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Bracha after an earthquake
Per the Artscroll Siddur after an earthquake we make a Bracha "Oseh Maaseh Breishis". Up to how long after the earthquake can you make this Bracha? (sources please)
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Are bushes acceptable for elevations that require a maakeh, a fence?
If evergreen bushes span the entire length of a side of a porch, at about waist-height for someone on the porch, do the bushes remove the need for a railing? The difference being that a railing can be ...
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What height porch requires a railing?
What are the different opinions of heights (in American or metric units) that requires a railing for the side of a porch?
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How many T'fachim make up an Ama?
Is it possible to convert between Torah measurements?
Specifically, T'fachim & Amot, (cubits) so I can figure out the size of the luchot (tablets) within the Aron Hakodesh (ark). (The Luchot are ...
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What is the Minimum Width of Tefillin Straps?
What is the minimum width of tefillin straps?
For example: if one's tefillin straps partially tore, how much is required to remain for the tefillin to remain Kosher?
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Why is the right strap longer than the left strap by the Tefilin Shel Rosh?
What is the reason that the right strap is longer than the left strap by the Tefilin Shel Rosh?
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What is the proper length of the Tefilin Shel Rosh straps?
How long are the Tefilin Shel Rosh straps supposed to be? What is the minimum Shiur and what is the maximum?
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How was flour measured in the bes hamikdash?
Modern cooks will tell you that the way to measure flour is to scoop flour with a scoop whose volume is known, and then to shave any excess off the top. (However, liquids are measured by pouring into ...
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