carat to gramsdiamond carat weight
カラットからグラムへの換算を簡単に、ダイヤモンドサイズ表付き
1カラットの重さは正確に0.2グラム、つまり200ミリグラムです。カラットからグラムへの完全な換算表、ラウンドダイヤモンドのミリメートル別サイズ表、同じカラットのダイヤモンドとオパールがまったく違う大きさに見える理由を紹介します。
ジャーナル
計量・測定ガイド
料理、発送、日常生活で役立つ、重さの量り方、単位換算、正確に測定するための実用的なヒントを紹介します。
banana weighthow much does a banana weigh
バナナ1本の重さは実際どれくらい？グラムとカロリー
中サイズのバナナは果肉が約118グラムで105カロリー、皮付きのままだと約150グラムです。全サイズのグラム数に加え、カロリー、炭水化物、1ポンドに相当する本数をまとめました。
usps shipping rates by weightusps ground advantage
USPSの重量別配送料は2026年に約16%上昇
USPSの重量別配送料は、3回の値上げにより2026年に約16パーセント上昇しました。Ground Advantageのオンス別、ポンド別料金、ゾーンと容積重量が請求額に与える影響、支払い前に荷物を量る方法を解説します。
peanut butter serving size2 tablespoons of peanut butter
ピーナッツバター1食分は大さじ2杯、または32グラム
ピーナッツバター1食分は大さじ2杯、約32グラムですが、スプーンだけで正確に量るのは難しいものです。ひとすくいに含まれる実際のグラム数、カロリー、たんぱく質と、目分量よりはかりが優れている理由を解説します。
ground beef serving sizeground beef portion size
ひき肉の1人前の量と1ポンドで実際に何人分になるか
ひき肉の1人前は加熱後3オンス、85グラム、生なら約4オンスです。1ポンド入りで4人分になる理由、タコスやハンバーガー用に1人当たりいくら買うべきか、各ポーションの実際の費用を解説します。
grams to ounceshow many grams in an ounce
1オンスは何グラム？グラムからオンスへの換算表付き
1オンスは28.35グラムです。このキッチンガイドでは、正確な数値、グラムからオンスへの簡単な換算式、完全な換算表、重量オンスと液量オンスの違いを紹介します。
how many stampsmail a letter
2026年に手紙を送るために必要な切手の枚数を計算する方法
2026年は、1オンスの手紙ならForever切手1枚で送れますが、ページが数枚増えるだけで計算が変わります。自宅で封筒の重さを量り、余分に払わずに必要な切手の枚数を調べる方法を紹介します。
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.
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.
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.
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.
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.
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.
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 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.
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.
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.
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.
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.
sugarbaking conversions
Cup of Sugar in Grams: Granulated, Brown, and Confectioners
A cup of sugar in grams is 198 g for granulated, 213 g for packed brown, and 113 g for confectioners. Exact weights for whole and fractional cups, plus why the same cup gives you three different numbers.
brew ratio gramsespresso dose
Coffee Dose by Weight: Brew Ratios in Grams for Every Method
Most coffee recipes list tablespoons, but grams are what actually control flavor. Here are the exact gram doses for espresso, pour-over, French press, AeroPress, and cold brew.
perfumefragrance
How Much Perfume Is Left, Use Weight Math
If you cannot see the fill line in an opaque perfume bottle, you can still estimate what is left using simple weight math. Learn how to separate bottle weight from juice weight, convert grams to ml, and get a quick estimate even without a physical scale using a phone photo weight estimate.
lego minifigure weight gramshow to spot fake lego minifigures
Fake LEGO Minifigs? Use Weight to Verify
A fast, practical way to spot counterfeit LEGO minifigures is to check weight. This guide shows what to weigh, the gram ranges that matter, and how to estimate weight from phone photos when you do not have a scale.
laundrydetergent-dosage
Laundry Detergent Dosage in Grams, Stop Overusing
Most detergent caps nudge you to overpour. This guide gives a grams-based dosing range for HE and standard washers by load size, soil level, and water hardness, plus a simple way to estimate grams from a photo when you do not have a scale.
scrap copper wire weight estimatecopper wire weight per foot chart
Scrap Copper Wire: Estimate Weight Before Selling
Estimate scrap copper wire weight at home using simple measurements or your iPhone camera, understand bare bright vs insulated grades, and figure out whether stripping wire is worth the time before you head to the scrapyard.
vintage fiestaware identificationfiestaware weight vs modern
Is It Vintage Fiestaware? Use Weight Checks
Weight is one of the fastest clues for spotting vintage vs modern Fiestaware when you are thrifting, buying online, or listing items to ship. Learn what weight differences to look for, how markings and feel back up your guess, and how to estimate weight from photos with your phone.
crystal-vs-glassstemware
Crystal or Glass? Identify Stemware Using Weight Clues
Not sure if that thrifted wine glass is real crystal or just regular glass? Use weight clues plus a few quick, low-risk at-home checks to identify crystal stemware and avoid overpaying, even when you do not have a physical scale handy.
DIY self care craftingbath bombs
DIY Bath Bomb Ratios: Convert Cups to Grams
Stop guessing with cups. This guide gives practical bath bomb ratios in grams, common cup to gram conversions for baking soda and citric acid, and a simple way to standardize batches, even if you do not own a kitchen scale.
polymer clay earrings weightestimate clay amount for earrings
Polymer Clay Earrings: Estimate Grams Before You Bake
Want consistent, comfortable polymer clay earrings without guessing? This guide gives practical grams-per-earring targets, a simple thickness and size framework, and an easy way to estimate clay weight from a photo so you can price, list, and ship with confidence.
pasta portion size gramshow much does dry pasta weigh
No-Scale Pasta Portions: Spaghetti, Penne, Fusilli in Grams
No kitchen scale? You can still portion spaghetti, penne, and fusilli accurately enough for meal prep and tracking. This guide gives practical “hand and cup” methods, dry-to-cooked weight expectations, and a simple photo-based way to estimate grams fast.
wedding invitation postage weighthow many stamps for wedding invitations
Wedding Invitation Postage Math: Estimate Weight Before Mailing
Use simple postage math to predict wedding invitation weight before you mail, so you can choose the right stamps, avoid postage-due surprises, and know when USPS nonmachinable or square envelope rules apply.
nuts and bolts weight chartscrew weight in grams
Nuts and Bolts Weight Cheat Sheet for Shipping
A practical way to estimate screw, nut, and bolt weight per piece or in bulk so you can print accurate shipping labels and sanity-check inventory counts, even when you do not have a scale.
boxed sneakers weightshoe shipping weight estimate
How Much Do Boxed Sneakers Weigh for Shipping
Need a realistic boxed sneaker shipping weight estimate without a scale? This guide gives weight ranges in grams and ounces for common sneaker types, then shows how to estimate the total shipped weight including shoebox, outer box, and packing so you can buy labels confidently on USPS, eBay, Mercari, or Pirate Ship.
pawn shop gold offer calculatorhow much do pawn shops pay for gold
Pawn Shop Offer Math: Know Your Gold Weight
Use a simple pawn shop gold offer calculator approach: estimate your jewelry’s grams, convert karat to pure gold content, compare spot price vs melt value, and walk in with a checklist that helps you avoid lowball offers.
gemstone bead weight chart8mm bead weight in grams
How Heavy Are Gemstone Beads? Size to Grams
Need to estimate bracelet or necklace weight fast? This guide shows how gemstone bead size translates to grams, why quartz and glass can weigh differently at the same mm size, and how to estimate jewelry weight from photos when you do not have a scale.
phone scale apps accuracyphoto weighing accuracy myths
Phone Scale Apps: 9 Myths That Ruin Accuracy
Phone scale apps can be surprisingly useful, but common beginner mistakes make results feel random. This myth-busting guide explains what actually affects photo weighing accuracy, how to fix inconsistent estimates fast, and when you still need a real scale.
matchamatcha latte
Matcha by the Gram: Stop Bitter Lattes
If your matcha latte tastes bitter one day and weak the next, it is usually a dosing problem. This guide gives practical matcha grams-per-serving ranges, teaspoon-to-grams estimates, caffeine-per-gram math, and a repeatable photo setup to estimate powder weight when you do not have a scale.
sourdough starterstarter feeding ratio
Sourdough Starter Feeding Without Scale: Gram Ratio Shortcuts
No kitchen scale? You can still keep a predictable sourdough starter by using simple ratio habits, volume-to-grams shortcuts, and one consistency target you can recognize every time. Here is a practical system that reduces discard and gets you back to weight-based baking fast.
silverwareestate sales
Estate Sale Silverware: Value It by Weight
Learn how to tell sterling from silver plate using common hallmarks like 925 and EPNS, then estimate real-world value at an estate sale with quick weight math, troy-ounce conversions, and a simple melt-value formula you can do on your phone.
cast iron skillet weightcast iron pan weight chart
Cast Iron Skillet Weight Chart for Every Size
A practical, size-by-size cast iron skillet weight reference, plus real-world ways to estimate weight from photos for shipping, buying vintage pans, and portioning food when you cook by weight.
ounces vs fluid ounces differenceoz vs fl oz meaning
Ounces or Fluid Ounces, Convert Recipes Correctly
Confused by oz vs fl oz on recipes and labels? Learn the real difference between weight and volume, why 8 fl oz is not automatically 8 oz, and how to convert fluid ounces into grams for water, milk, oil, and more without ruining a bake.
tare weightkitchen scale
Forgot to Tare? Estimate Container Weight Fast
No tare button, no problem. Learn what tare weight means, get quick empty-weight estimates for common kitchen and shipping containers, and use photo-based weight estimation plus a few sanity checks to reliably calculate net weight in grams.
shipping label weight roundingUSPS postage adjustment
Shipping Label Weight Rounding Rules, Avoid Postage Adjustments
Carrier weight tiers are unforgiving: being off by even 0.1 oz can trigger USPS postage adjustments or postage due. This guide explains the rounding reality behind common shipping services and gives you a practical, packaging-included workflow to estimate weight accurately, even without a physical scale.
jewelrygold
Is Your Gold Chain Hollow? Weight Checks
Not sure if that gold chain is hollow, semi-hollow, or solid? A quick gram check can catch listings that look great in photos but feel suspiciously light in real life. Here is a practical way to sanity-check weight by length, width, and style, plus the exact questions to ask sellers before you buy.
estimate produce weight without a scalehow much does a banana weigh in grams
Banana Math for Groceries: Quick Weight-Per-Piece Cheatsheet
A practical, in-store cheatsheet for estimating produce weight per piece in grams and pounds, plus simple “banana math” to predict cost, avoid overbuying, and enter more accurate weights in grocery delivery apps.
sterling silverjewelry making
How Heavy Is Sterling Sheet? Gauge to Grams
Need to quote a jewelry job or price a shipment without a scale? Use sterling silver density plus sheet thickness (gauge) and your cut dimensions to estimate weight in grams or ounces, fast and reliably.
cooked rice vs uncooked rice weightdry to cooked rice conversion grams
Cooked vs Dry Rice Weights: Meal Prep Math
Get a reliable dry to cooked rice weight conversion in grams and ounces, plus portion sizes you can repeat for meal prep even when you do not have a physical scale.
pennyweight to grams conversiondwt to grams
Pennyweight Pricing Trap: Convert DWT Before You Sell
Getting quoted in pennyweight (dwt) can quietly shave money off your payout if you think in grams. This guide shows exactly how dwt compares to grams, how buyers price scrap gold, and the simple conversions that keep you from getting underpaid.
handmade soap bar weighthow much does a bar of soap weigh
Handmade Soap Bar Weights: Labeling, Pricing, Shipping
Typical handmade soap bar weights in grams and ounces, how to label net weight without getting burned by water loss, and how to estimate packaged shipping weight so you do not underpay postage.
pokemon pack weighingpokemon booster pack weight
Can You Weigh Pokemon Packs From Photos?
Pack weighing used to be a real trick in older Pokemon sets, but modern packs add countermeasures that make it unreliable. Here is what still matters, what weight ranges people talk about, and how photo-based weight estimates can help spot suspicious listings.