专栏

称重与测量指南

分享称重、单位换算和准确测量的实用技巧,适用于烹饪、寄件和日常生活。

砧板上的蜜汁带骨螺旋切火腿和切好的火腿片,展示节日晚餐每人应准备多少火腿
how much ham per personspiral ham cooking time

带骨火腿每盘更便宜,每人需要多少火腿看这里

每位客人按 3/4 磅带骨火腿或 1/2 磅无骨火腿准备。本文告诉你 6 到 20 人每人需要多少火腿、按 USDA 追踪价格每种火腿每盘的成本,以及螺旋切火腿按重量计算的烘烤时间。

数字厨房秤上放着925银叉、银勺和一根小银条,用来核算白银每克价格
silver price per gramsterling silver value

白银每克价格约1.74美元,925银能卖的更少

2026年10月23日,白银跌至每盎司约54美元,纯银每克约1.74美元,925银每克约1.61美元。下面教你如何给银器称重、计算熔炼价值,以及识破压价的报价。

节日餐桌上一碗感恩节土豆泥,旁边是放在数字厨房秤上的生褐皮土豆
thanksgiving mashed potatoespotatoes per person

感恩节土豆泥每人需要半磅土豆

感恩节土豆泥按每位客人半磅(227 克)生土豆来准备。这里有按人数计算的用量表、不同大小土豆的重量、按目前每磅 $0.99 的平均价格多买一磅要花多少钱,以及什么时候该多买。

一锅蒸好的米饭旁边放着一壶水和几碗干米粒,展示米水比例如何随米种变化
rice to water ratiorice cooker ratio

米水比例因米种而异,别再一律用 2 比 1 了

2 比 1 的规则只适用于白色长粒米。这里有 12 种米的米水比例、同一张表的克数版本、电饭煲里有什么不同,以及按每磅 1.12 $ 计算一份米饭的成本。

一条剥开一半包装纸的黄油放在电子厨房秤上,展示节日烘焙中一条黄油有多少
stick of butterbutter conversion

一条黄油到底有多重,每一条都是113克

一条美国标准黄油重113克,等于4盎司、8汤匙或半杯。本文附黄油换算表、换用250克欧洲黄油块时的计算方法,以及按2026年价格每条黄油要花多少钱。

一包拆开的酵母颗粒洒落在电子秤上,旁边放着面粉和茶匙,直观展示一包酵母有多少
packet of yeastyeast conversion

一包酵母到底有多少?换算成克和茶匙一次看懂

一包标准酵母重 7 克,约合 2 1/4 茶匙。本文整理了连包、罐装和袋装酵母的克数与茶匙数,还有鲜酵母的换算方法、合适的水温,以及买大包装每个面包能省多少钱。

Assorted fun size treats around a kitchen scale, showing what the most popular Halloween candy weighs
halloween candyfun size candy

Most popular Halloween candy weighs under 20 grams per fun size pack

M&M's top the latest Halloween sales ranking, and fun size packs weigh 15 to 18 grams. Here are real weights and calories for Snickers, Skittles, Peanut M&M's and candy corn, plus a by-weight formula for how many bags to buy.

Raw chicken breasts beside a kitchen scale and coins, illustrating the cost of chicken breast protein per gram
chicken breast proteinchicken breast calories

Chicken Breast Protein Costs About 4 Cents per Gram, Do the Math

Boneless chicken breast averaged $4.14 a pound in early 2026, which puts chicken breast protein near 4 cents a gram. Here's the raw versus cooked math, portion and calorie tables, and how to weigh chicken so you don't overcount.

Whole sugar pie pumpkin beside a bowl of smooth homemade puree made with a simple pumpkin puree recipe
pumpkin puree recipecanned pumpkin

This Pumpkin Puree Recipe Turns One Pie Pumpkin Into a Full Can

One 3 pound pie pumpkin roasts down to about 2 cups of puree, more than a 15 oz can holds. Here are the gram conversions, the cost per ounce versus canned, and how to use your own puree in the classic pie.

A French press next to a digital scale showing the french press coffee ratio measured in grams
french press coffee ratiocoffee to water ratio

French Press Coffee Ratio, in Grams for Any Cup Size

The french press coffee ratio is one simple number: 1 gram of coffee to 15 grams of water. Here are the exact grams for every cup size, the tablespoon math for no scale mornings, and what a sloppy pour quietly costs you per bag.

按规格分拣的新鲜生虾摆在数字厨房秤旁边,展示虾的不同规格
shrimp sizesshrimp count per pound

虾的规格与一磅有多少只虾

虾按只数计量,而不是按名称,所以袋子上的数字准确告诉你一磅里有多少只虾。这里有完整的只数对照表、份量算法,以及每种规格的真实成本。

餐桌上摆好的一只烤制感恩节火鸡,说明每人需要准备多少火鸡
turkey per personthanksgiving turkey

感恩节每人需要多少火鸡

多数主人想得太多。每人按约 1.5 磅火鸡来备,想要剩菜就加到 2 磅,再用一张简单的尺寸表对应任意客人数。这里有按磅的算法、一只 20 磅火鸡够多少人吃,以及什么时候该烤两只而不是一只。

A big cardboard box on a postal scale beside a tape measure, showing how dimensional weight compares with actual weight.
dimensional weightshipping by weight

Dimensional Weight Can Cost More Than Your Box Weighs

Carriers often bill your box by its size, not the number on your scale. Here is how dimensional weight works, where the price jumps, and how to weigh a package at home before you buy the label.

一块新鲜的三文鱼鱼片放在显示克数的数字秤上
salmon serving sizesalmon protein

三文鱼的分量和蛋白质,一克一克算

一份三文鱼是每人 6 盎司生鱼片,约 170 克,煮熟后缩到 4.5 盎司。这里有每人分量、生重与熟重的对比,以及三文鱼的蛋白质和热量数字,一克一克算。

A block of cream cheese partly unwrapped on a marble counter next to a digital kitchen scale
block of cream cheesecream cheese conversion

A Block of Cream Cheese Is 8 Ounces, or 227 Grams

A standard block of cream cheese is 8 ounces, or 227 grams, which lands right around one cup. Here is the full breakdown in grams and cups, the Philadelphia sizes, and how many blocks a cheesecake really needs.

Jar of honey, wooden dipper, and a digital scale weighing honey next to sugar for baking
honey to sugar ratiobaking with honey

The Honey to Sugar Ratio for Baking, in Cups and Grams

Honey is denser and sweeter than sugar, so the swap needs real numbers. Here is the honey to sugar ratio for baking, the gram weight of every amount from a teaspoon to a cup, and the liquid and oven fixes that keep bakes from sinking.

数字厨房秤上放着水、面粉、油和蜂蜜,展示克和毫升之间的差别
grams to mlml to grams

克和毫升很少真正相等

克和毫升只有在水里才相等。面粉、油、牛奶和蜂蜜在相同体积下重量各不相同,所以240 毫升可能是127 克,也可能是341 克。这里有密度计算和逐项对照表。

巧克力豆从袋子倒到摆在木质台面上的数字厨房秤上
chocolate chips in gramschocolate chips cups to grams

1 杯巧克力豆等于多少克,以及每种袋装规格

一杯巧克力豆是 170 克,一袋 12 盎司相当于 2 杯。下面是完整的巧克力豆从杯换算成克的对照表,每种袋装规格的克数,以及在可可价格暴涨之后,为什么用秤称量能替你省钱。

A nickel beside a digital kitchen scale ready for a two minute calibration check
digital scale calibrationhow to calibrate a digital scale

Digital Scale Calibration Takes One Nickel and Two Minutes

A fresh US nickel weighs exactly 5 grams, so it doubles as a free calibration weight. Here is how to calibrate a digital scale in about two minutes with pocket change, when the coin trick works, and when you need a certified weight.

Gold rings and a chain on a digital scale illustrating the gold price per gram
gold price per gram14k gold price per gram

Gold Price per Gram Sits Near $141, Plus How to Value Yours

The gold price per gram was about $140.70 for pure gold on August 16, 2026. Here is what a gram of gold is worth by karat, plus the simple weight math to value your jewelry before you sell.

A clear one gallon jug of water on a kitchen scale showing the water weight per gallon.
water weight per gallonhow much does a gallon of water weigh

Water Weight per Gallon Is 8.34 Pounds, Here's the Math

A gallon of water weighs about 8.34 pounds, a liter weighs 2.2, and five gallons hit 41.7. Here is the full water weight chart by cup, bottle, and jug, why temperature barely moves it, and what that weight costs to carry or ship.

A sliced grilled steak on a board beside a scale in grams, illustrating the real steak serving size.
steak serving sizehow much steak per person

Three Ounces Is the Real Steak Serving Size, Cooked

A steak serving size is just 3 ounces of cooked beef, about 85 grams, yet most plates run far bigger. Here is how much steak to buy per person, how raw weight shrinks on the grill, and how to size any cut without a kitchen scale.

A one pound calibration weight beside a small pile of sugar showing grams in a pound
grams in a poundpounds to grams

There Are 453 Grams in a Pound, Plus a Pounds to Grams Chart

A pound is exactly 453.59 grams. Here is the full pounds to grams chart, the quick mental math, what a pound costs per gram, and how to weigh one when you do not have a scale handy.

A whole and a halved avocado on a kitchen counter, showing the calories in a large avocado by weight
avocado caloriesavocado weight

Calories in a Large Avocado, Plus the Avocado Serving Size

A large avocado runs about 240 to 320 calories, and it all tracks weight. Here is what an avocado weighs, why a serving is only a third of the fruit, and how to log the calories, fat and fiber by grams.

An open packed suitcase next to a bathroom scale, checking the luggage weight limit before a flight.
luggage weight limitoverweight baggage fees

Your Luggage Weight Limit Is 50 Pounds, Then the Fees Begin

Most US airlines cap a checked bag at 50 pounds, and going over means $100 or more each way. Here is what the limit is in pounds and kilos, the overweight fees by airline, and how to weigh luggage at home before you reach the counter.

A measuring cup of flour next to a digital scale on a wooden counter, showing flour cups to grams.
flour cups to gramshow many grams in a cup of flour

Chart of Flour Cups to Grams, Plus How to Measure It

A cup of flour is not one weight. It ranges from 120 to 160 grams depending how you scoop. Here is a clear chart of flour cups to grams by type, the fluff-spoon-level method, and how to turn grams back into cups.

Everyday objects that weigh 100 grams and one gram laid out together on a wooden table
what weighs 100 gramsmeasure grams without a scale

What weighs 100 grams, plus things that weigh a gram

Twenty U.S. nickels weigh exactly 100 grams, and your junk drawer is full of other reference weights. Here is what weighs 100 grams, which everyday things weigh a gram, and how to measure grams without a scale using coins.

A half cup measuring scoop of dry oats showing one oatmeal serving size on a marble counter
oatmeal serving sizeoats serving size

Oatmeal Serving Size Is Half a Cup of Dry Oats, or 40 Grams

One serving of oatmeal is half a cup of dry oats, about 40 grams and 150 calories. Here are the exact gram weights, calories, and fiber for rolled, quick, steel-cut, and instant oats, plus how to portion a bowl without a scale.

Red apples on a digital kitchen scale, illustrating a kilograms to pounds weight conversion.
kilograms to poundskg to lbs

Kilograms to Pounds, and How Many Pounds Are in a Kg

A kilogram is 2.20462 pounds, and rounding to 2.2 covers most of what you weigh at home. Here is the exact math, a kg to lbs chart for common weights, and what the numbers mean for luggage fees and gym plates.

A level measuring cup of granulated sugar on a kitchen scale showing the cup of sugar in grams
cup of sugar in gramssugar to grams

One Cup of Sugar in Grams, Plus Teaspoon and Tablespoon

A level cup of granulated sugar weighs about 200 grams, packed brown sugar 213, and powdered sugar 113. Here is the cup of sugar in grams for every type, plus teaspoon and tablespoon weights and what they do to your daily sugar limit.

A pour over brew on a digital scale demonstrating the coffee to water ratio in grams
coffee to water ratiohow much coffee per cup

Coffee to Water Ratio and How Much Coffee Per Cup

The coffee to water ratio decides whether your cup reads flat or balanced. Here are the exact grams per cup for drip, pour over, french press, and cold brew, plus a simple scale trick to hit it every time.

一颗裸圆钻放在数字珠宝秤上,展示单颗宝石从克拉到克数的重量关系。
carat to gramsdiamond carat weight

克拉换算克数,附钻石尺寸表,简单易懂

1克拉的重量正好是0.2克,也就是200毫克。本文提供完整的克拉到克数换算、圆形钻石的毫米尺寸表,并解释为什么同为相同克拉的钻石和欧泊看起来大小完全不同。

一根香蕉放在数字厨房秤上,显示其克数
banana weighthow much does a banana weigh

一根香蕉到底有多重?克数与热量

一根中等大小的香蕉约有118克果肉,热量为105卡路里,带皮整根则接近150克。这里列出了各个大小的克数,以及热量、碳水化合物和每磅大约有几根香蕉。

一个棕色包裹放在邮政秤上,旁边是堆叠的运输箱,用来说明USPS按重量计算的运费。
usps shipping rates by weightusps ground advantage

USPS按重量计算的运费在2026年上涨约16%

USPS按重量计算的运费在2026年经过三次上调后上涨约16%。本文介绍Ground Advantage按盎司和磅计费的价格、区域和体积重量对账单的影响,以及付款前如何称量包裹。

一罐打开的花生酱放在数字厨房秤旁,展示正在称量一份花生酱
peanut butter serving size2 tablespoons of peanut butter

花生酱每份为2汤匙,即32克

一份花生酱是2汤匙,约32克,但用勺子很难准确舀到这个量。本文介绍一勺花生酱实际有多少克、多少卡路里和蛋白质,以及为什么用秤比目测更可靠。

一磅生碎牛肉放在厨房秤旁,展示碎牛肉的每份大小
ground beef serving sizeground beef portion size

碎牛肉每份大小,以及一磅究竟够几个人吃

一份碎牛肉是熟重3盎司,即85克,或生重约4盎司。了解一磅包装如何供四人食用,做塔可和汉堡时每人该买多少,以及每份实际要花多少钱。

放有面粉和鸡蛋的数字厨房秤,展示如何在家把克换算成盎司。
grams to ounceshow many grams in an ounce

一盎司等于多少克,附克与盎司换算表

一盎司等于28.35克。本厨房指南提供精确数值、简单的克转盎司公式、完整换算表,并解释重量盎司与液量盎司的区别。

一双手在小秤旁把邮票贴到白色信封上,展示寄一封信需要多少张邮票。
how many stampsmail a letter

算清2026年寄一封信需要多少张邮票

2026年,一张Forever邮票可以寄出一封重1盎司的信,但多放几页纸就会改变计算结果。本文介绍如何在家称量信封,并算出寄一封信需要多少张邮票,避免多花钱。

A heaped scoop of protein powder beside an open tub on a kitchen counter
protein powder scoopscoop of protein powder grams

Here's How Much Is in One Scoop of Protein Powder

A scoop of protein powder holds about 25 to 35 grams, but only 24 to 28 grams of that is protein. Here is what one scoop really weighs, how many tablespoons it equals, and how to measure a serving when the scoop goes missing.

A weighed pasta serving size of dry spaghetti and penne on a kitchen counter
pasta serving sizehow much pasta per person

Pasta Serving Size: How Much Dry Pasta Per Person

How much dry pasta per person? Plan on 100 grams for a main course and 56 grams for a side. This guide breaks down pasta serving size by weight, cups, and shape, plus a no-scale coin trick for spaghetti.

Assortment of US coins arranged by denomination showing coin weights in grams
coin weightsweight of a quarter

Weight of a Quarter in Grams, Plus Every US Coin

A US quarter weighs 5.67 grams. This guide gives the weight of every US coin in grams, what a full roll weighs, and how to count your change by weight instead of counting it by hand.

A one troy ounce gold coin on a digital jewelry scale showing how many grams in a troy ounce.
troy ouncegrams to ounces

How Many Grams in a Troy Ounce of Gold and Silver?

A troy ounce of gold is 31.1035 grams, not the 28.3495 grams on your kitchen scale. Here is how many grams in a troy ounce, why gold and silver use it, and how to weigh metal at home without getting shorted.

A clear one gallon jug of water on a kitchen counter showing how much a gallon of water weighs.
water weightgallon of water weight

Water Weight: How Much Does a Gallon of Water Weigh?

A US gallon of water weighs about 8.34 pounds, or 3.78 kilograms. Here are the real weights for a cup, liter, gallon, and five gallon jug, why temperature shifts them, and how to weigh water fast without a scale.

Chicken eggs and a kitchen scale illustrating egg protein by weight
egg proteinhow much protein in an egg

Egg Protein by Weight: How Much Protein in an Egg

A large egg carries about 6.3 grams of protein and 71 calories, and the number rises with weight. See the protein, calories, and grams for every USDA egg size, plus how to weigh eggs without a scale.

Uncooked white rice in a bowl with a measuring cup and digital scale showing rice portion size by weight.
rice portion sizehow much rice per person

Rice Portion Size: Grams Per Person and Per Cup

A level cup of dry white rice weighs about 185 g, and it roughly triples once cooked. Here are the real gram numbers for rice portion size, how much rice per person, and how to weigh a serving with no scale.

Butter sticks and a measuring cup on a marble counter illustrating a butter conversion chart
butter conversion chartgrams in a stick of butter

Butter Conversion Chart: Grams in a Stick of Butter

A stick of butter is 113 grams, but the wrapper rarely says so. This butter conversion chart lays out sticks, cups, tablespoons, and grams, plus how a US stick compares to a European 250 gram block.

A cup of flour in grams weighed on a kitchen scale beside a bowl of all-purpose flour and a measuring cup
cup of flour in gramscups to grams flour

A Cup of Flour in Grams: All-Purpose, Bread, Cake

A cup of all-purpose flour weighs about 120 grams, but scooping can push it past 155. Here is a cup of flour in grams by type, a cups to grams chart, and the spoon and level trick that keeps every bake consistent.

Packed suitcase sitting on a bathroom scale to check the checked baggage weight limit before a trip
checked baggage weight limitweigh luggage without a scale

Checked Baggage Weight Limit: Weigh Bags Without a Scale

The checked baggage weight limit is 50 pounds on most airlines, and slipping over costs 30 to 200 dollars per bag. Here is how to weigh luggage without a scale at home, plus the household weights and carry on rules that keep you under the line.

Two raw chicken breasts on a digital kitchen scale showing a chicken breast portion size in grams
chicken breast portion sizechicken breast serving

Chicken Breast Portion Size in Grams, Raw and Cooked

A raw chicken breast runs 180 to 200 grams, but a cooked serving is closer to 85 to 140 grams. Here is every weight in grams, raw and cooked, plus portion sizes for beef, fish, and the protein targets you can actually plate.

Assortment of colorful ground spices in small white ramekins on a dark slate kitchen surface, illustrating a guide to spice weights in grams per teaspoon
spice weightsgrams per teaspoon

Spice Weights: How Many Grams in a Teaspoon?

A teaspoon of garlic powder weighs 3.5 g; dried oregano weighs just 0.9 g. This guide gives exact gram weights per teaspoon and tablespoon for common spices, salt types, and leaveners, plus quick answers to the measurement questions cooks search most.