同意LZ的整体逻辑。但是这一段请改正：“发明用“蒲式耳”的，应该下火狱。。。。。。。用在农产品上，不同农产品之间居然还是有区别的！1吨大麦=45.93蒲式耳、1吨玉米=39.37蒲式耳、1吨麦芽=64.84蒲式耳、1吨燕麦=68.89蒲式耳.” 蒲式耳bushel是体积单位，用在不同密度不同堆积度的产品上，当然有区别。一升水和一升油不一样重。当然，最好能使用公制体积单位方便换算。 我上班之后才知道，1000公斤那个“吨”不是ton，而必须说成metric ton （MT)，公制吨，否则会被理解错。
Q These measures had their origins in a variety of cultures -- Babylonian, Egyptian, Roman, Anglo-Saxon, and Norman French. The ancient "digit," "palm," "span," and "cubit" units of length slowly lost preference to the length units "inch," "foot," and "yard." Weights and measures may be National Institute of Standards and Technology (.gov) https://www.nist.gov › document › nist-sp-304a-... PDF UQ Q Measurement unit sources have varied throughout history, evolving from naturally occurring phenomena and human body parts to more standardized systems like the metric system. Initially, units were often based on the human body, like the cubit (distance from elbow to fingertip). Over time, local standards emerged, with rulers, kings, and trade practices influencing specific unit definitions. The French Revolution led to the development of the decimal metric system, aiming for a universal standard based on nature. Here's a more detailed look at the evolution: Early Origins: Human Body Parts: The earliest measurement systems often used parts of the human body as reference points, such as the foot, hand, cubit, and span.
Local Standards: Local traditions and trade practices influenced the development of various measurement units across different cultures and regions. Royal Standards: Rulers sometimes established official standards for weights and measures to ensure consistency within their territories.
The Rise of Standardization: The French Revolution: The French Revolution prompted the development of the metric system, a decimal system aimed at creating a universal and natural standard. Metric System: The metric system uses natural units like the meter (based on the Earth's circumference) and the kilogram (based on the mass of a liter of water), according to Wikipedia.
International System of Units (SI): The SI, a modern extension of the metric system, provides a comprehensive and universally recognized system for various scientific and engineering applications.
Evolution of Specific Units: Length: The cubit, foot, yard, and inch evolved from human body parts and local standards. The metric system introduced the meter as a base unit. Mass: Units like the pound and ounce evolved from local standards, while the metric system introduced the kilogram as a base unit. Volume: Units like the gallon evolved from local traditions and trade practices, while the metric system uses the liter as a base unit. Time: The second, minute, and hour are based on the Earth's rotation and celestial observations, while the metric system also uses these units. UQ
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Q 美国人难道意识不到英制单位有多愚蠢吗？ https://user.guancha.cn/main/content?id=1433091& 简单快乐 昨天 18:58
发明用“蒲式耳”的，应该下火狱。1蒲式耳=8加仑=4配克=2坎宁，你可真是个大天才！用在农产品上，不同农产品之间居然还是有区别的！1吨大麦=45.93蒲式耳、1吨玉米=39.37蒲式耳、1吨麦芽=64.84蒲式耳、1吨燕麦=68.89蒲式耳......然后再换算成磅，再换算成公斤？
你说这玩意儿要是好记、好算的话也就罢了！可是水的沸点是100摄氏度，——在美国是100×9/5+32=212华氏度。此外，公制长度是十进制的毫米、厘米、分米、米，在美国却是英寸、英尺、码、英里——这几个单位没有一个直接的换算关系：1英尺=12英寸，1码=3英尺，1英里=1760码。好，我现在问你1英里等于几英寸？3秒内告诉我。
质量单位就更是让人窒息了：磅、盎司、格令、打兰、英石、英担、英吨，一磅约等于0.4536千克，1磅=16盎司，1盎司=480格令=16打兰，1英石=14磅，英担、英吨还分长短，1英担=112磅（长担）或100 磅（短担），1英吨=2240磅（长吨）或2000 磅（短吨）。有人提“盎司”——这东西反人类到我当初硬是没背下来，因为它还有不同场景的具体分类！可以分为：
1常衡盎司（oz）=28.3495克 1金衡盎司（oz t）=31.1035克 1液体盎司（fl oz）≈ 29.5735毫升=1美制杯（cup） 1药衡盎司（oz ap）=31.1035克=8药衡钱=3药衡格令=20药衡粒
这我算N**？
莫名其妙的，这些单位还几乎都有「使用场景」......比如蒲式耳用于农业（尤其外贸）；磅常用于食品、包裹；除了上面提到的特殊场景，盎司常用于贵金属和巧克力、奶酪等。那你知道他们各自的英文全名吗？
加仑：Gallon（gal） 配克：Peck（pk） 坎宁：Kilderkin（通常不缩写） 英寸：Inch（in） 英尺：Foot（ft） 码：Yard（yd） 英里：Mile（mi） 磅：Pound（lb） 盎司：Ounce（oz） 格令：Grain（无常用缩写） 打兰：Dram（无常用缩写） 英石：Stone（st） 英担：Hundredweight（cwt） 英吨：Long Ton/Short ton（无常用缩写） 常衡盎司：Avoirdupois Ounce（oz av） 金衡盎司：Troy Ounce（oz t） 液体盎司：Fluid Ounce（fl oz） 药衡盎司：Apothecaries'' Ounce（oz ap） 药衡钱：Apothecaries'' Drachm（dr ap） 药衡格令：Apothecaries'' Scruple（无常用缩写） 药衡粒：Apothecaries'' Grain（无常用缩写）
......发现没有？连缩写符号都很不一样！所以这东西就没必要分什么优劣，英制单位就全是劣！不仅仅是愚蠢，而是早都该被淘汰的东西——它在今天没有合理性的。学着痛苦、背着痛苦、算着更痛苦，批量地运用就会产生批量的“文盲”！ UQ
最简单的例子就是 夏令时，纯属折腾
美国也想改，结果忽悠隔壁加拿大改了花了好多钱，美国一看，就不改了
好像挺有道理的………
我要是小时候天天需要记这些东西我现在数学也早就弃疗了
开车过国境线进入加拿大
看着路边熟悉的 km , m 标识。。。。热泪盈眶
其实我真不在意单位用什么名字
尼玛好歹搞个10进制啊， 12进制算什么鬼？
在退一步（退无可退了）你要是都统一12进制我也忍， 为啥还夹杂着4 进制，3进制，16进制啊。。。
体积 1 gal = 4 quarts, 8 pints, 16 cups, or 128 fl oz 长度 1 yard = 3 feet =36 inches= 重量 1 quarter = 28 lb, 1 lb =16oz, 1oz =437.5gr
单位进制主打的就是个随心所欲
尼玛多说到这了，oz居然可以同时表示体积和重量， 刚来的时候CPU都烧了 扫了一眼，楼主的列表里面有一个九族的各种oz....无语
加拿大两种都用，超市买肉买菜，上面既有克也有镑
是，身高也是和国内一样，说一米八什么的
也许孩子一开始会害怕这一点。
因此，孩子会认为 STEM 更难，然后就根本不想尝试 STEM。
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不是蠢，而是很多工业用品的规格已经定下来了，比如管子直径是英寸。改成公制，浩费巨大。
中国曾经是个科技蛮荒之地，因此进入现代文明，一律公制，没有太多麻烦，最多是费掉尺，斤。
其实在中国人也不知道尺，丈具体是多少，导致我们看描述古人文字，全瞎蒙。例如商代的骨尺1尺为16.95厘米，牙尺1尺是15.75厘米和15.80厘米；西汉的木尺1尺长23厘米，铁尺1尺有22厘米，竹尺1尺为23.6厘米或22.92厘米；明清两代，曾分别采用营造尺、裁衣尺和量地尺三种不同长度的丈量工具，但在史料上到统称为尺，至于古人是用哪种尺量的我们也无从考究。
花钱不是可以增加 GDP?
医疗教育都花很多钱，美国人甘之如饴
加拿大身高大多数人还是说尺和寸。
广告上全是多少钱一磅，牌子上也是多少钱一磅，但是打印的标签上都是多少钱一公斤，还要换算一下。
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你看看你，多么的局限，世界上是不是只有2个国家？ 眼光放大一些嘛。
美国殖民者，总是认为自己才是英国正统继承人，结果被欧洲亲戚当作乡巴佬，各种嫌弃。
就好像湾湾总以为自己才是中国正统，其实中国早就向前走了，只要湾湾还在抱残守缺，维持了很多糟粕
这么复杂才好忽悠人呀 尤其又懒又蠢的
蒲式耳bushel是体积单位，用在不同密度不同堆积度的产品上，当然有区别。一升水和一升油不一样重。当然，最好能使用公制体积单位方便换算。
我上班之后才知道，1000公斤那个“吨”不是ton，而必须说成metric ton （MT)，公制吨，否则会被理解错。
也许他是对的
Q 美国人难道意识不到英制单位有多愚蠢吗？ https://user.guancha.cn/main/content?id=1433091& 简单快乐 昨天 18:58 发明用“蒲式耳”的，应该下火狱。1蒲式耳=8加仑=4配克=2坎宁，你可真是个大天才！用在农产品上，不同农产品之间居然还是有区别的！1吨大麦=45.93蒲式耳、1吨玉米=39.37蒲式耳、1吨麦芽=64.84蒲式耳、1吨燕麦=68.89蒲式耳......然后再换算成磅，再换算成公斤？ UQ
差生文具多🤣
美国人在学校都是用公制单位的啊，什么9mm，5.56mm之类的。
nanometer
These measures had their origins in a variety of cultures -- Babylonian, Egyptian, Roman, Anglo-Saxon, and Norman French. The ancient "digit," "palm," "span," and "cubit" units of length slowly lost preference to the length units "inch," "foot," and "yard." Weights and measures may be
National Institute of Standards and Technology (.gov) https://www.nist.gov › document › nist-sp-304a-...
PDF UQ
Q Measurement unit sources have varied throughout history, evolving from naturally occurring phenomena and human body parts to more standardized systems like the metric system. Initially, units were often based on the human body, like the cubit (distance from elbow to fingertip). Over time, local standards emerged, with rulers, kings, and trade practices influencing specific unit definitions. The French Revolution led to the development of the decimal metric system, aiming for a universal standard based on nature.
Here's a more detailed look at the evolution: Early Origins:
Human Body Parts: The earliest measurement systems often used parts of the human body as reference points, such as the foot, hand, cubit, and span.
Local Standards: Local traditions and trade practices influenced the development of various measurement units across different cultures and regions.
Royal Standards: Rulers sometimes established official standards for weights and measures to ensure consistency within their territories.
The Rise of Standardization:
The French Revolution: The French Revolution prompted the development of the metric system, a decimal system aimed at creating a universal and natural standard.
Metric System: The metric system uses natural units like the meter (based on the Earth's circumference) and the kilogram (based on the mass of a liter of water), according to Wikipedia.
International System of Units (SI): The SI, a modern extension of the metric system, provides a comprehensive and universally recognized system for various scientific and engineering applications.
Evolution of Specific Units:
Length: The cubit, foot, yard, and inch evolved from human body parts and local standards. The metric system introduced the meter as a base unit.
Mass: Units like the pound and ounce evolved from local standards, while the metric system introduced the kilogram as a base unit.
Volume: Units like the gallon evolved from local traditions and trade practices, while the metric system uses the liter as a base unit.
Time: The second, minute, and hour are based on the Earth's rotation and celestial observations, while the metric system also uses these units.
UQ
例如你去买肥料，有的店是1 ft一包，有的则是30磅一包，有的则是50qt一包。你根本搞不懂买的是多少
中国的卖家更是搞不懂美国是怎么做的。前不久我买一包perlite，美国的市场价大约是$6/包，8QT. Perlite很轻，从Temu上看到67.2 oz一包的,不到$5. 似乎很不错。就一起下单了。 收到货发现上面标的是2L，大约只有1QT，立马投诉，Temu立即退款免退货。最后发现是卖家把容积oz来标价，而美国非常少用oz作为容积单位在这里商品上。如果标价是L就不会搞错。
好在美国医院剂量单位都是用公制，大概也是出错搞得怕了
买多了就会算了，乘以2.2，算不过来的话就乘以2在稍微加点就差不多了。
更摧残人了
没有啊，医院体重也是 磅 / 公斤 混着用 啊
中国从秦朝起就 车同轨 书同文 行同伦 到你这，变"科技蛮荒之地"了。国内现在还有人知道甚至用斤，用里，用尺，用丈。但大家都学过和使用官方的公制单位。一个政府自己不作为，去怪别人进步，还捏造事实嘲笑别人，以史为镜，前车之鉴参考以前这样做的政权的下场是什么。