{"id":11275,"date":"2026-07-13T09:42:06","date_gmt":"2026-07-13T09:42:06","guid":{"rendered":"https:\/\/glassrock.com\/4-oz-8-oz-jar-container-sizes\/"},"modified":"2026-07-23T09:18:04","modified_gmt":"2026-07-23T09:18:04","slug":"4-oz-8-oz-jar-container-sizes","status":"publish","type":"post","link":"https:\/\/glassrock.com\/it\/4-oz-8-oz-jar-container-sizes\/","title":{"rendered":"4 oz and 8 oz Container Sizes: How Much They Hold and How to Choose the Right Jar"},"content":{"rendered":"\n<div class=\"grx-article\">\n<style>\n.grx-article .table-scroll{overflow-x:auto;-webkit-overflow-scrolling:touch}\n.grx-article table{border-collapse:collapse;width:100%;margin:1rem 0;font-size:.95rem}\n.grx-article caption{font-size:.85rem;color:#4A5A54;text-align:left;padding-bottom:.4rem}\n.grx-article th,.grx-article td{border:1px solid #C9D4CE;padding:.45rem .6rem;text-align:left}\n.grx-article th{background:#F1F4F2;color:#1D3A31}\n.grx-article aside{background:#F1F4F2;border-left:4px solid #A9631F;padding:1rem 1.2rem;margin:1.4rem 0;border-radius:0 8px 8px 0}\n.grx-article nav[aria-label]{background:#F1F4F2;border:1px solid #C9D4CE;border-radius:8px;padding:1rem 1.3rem;margin:1.4rem 0}\n.grx-article nav[aria-label] ul{margin:.4rem 0 0;padding-left:1.2rem}\n.grx-article figure{margin:1.8rem auto;max-width:680px;text-align:center}\n.grx-article figure svg{width:100%;height:auto;display:block}\n.grx-article figure img{max-width:100%;height:auto;border-radius:8px}\n.grx-article figcaption{font-size:.85rem;color:#4A5A54;margin-top:.55rem;text-align:center}\n<\/style>\n<!-- ============================================================\n  GlassRock \u2014 Article P2-A\n  URL recommand\u00e9e : \/4-oz-8-oz-jar-container-sizes\/\n  Title : 4 oz & 8 oz Container Sizes: mL, Cups & Jar Guide (2026)\n  Meta  : How much is 4 oz or 8 oz? Convert to mL, cups and tablespoons,\n          compare glass jar and container sizes, and get B2B packaging\n          guidance for food, cosmetic and candle brands.\n  Mots-cl\u00e9s : how much is 4 oz (4 900\/mo) \u00b7 8 oz (9 600\/mo) \u00b7\n              how many cups is 4 oz (8 300\/mo) \u00b7 4 oz to ml \u00b7 8 oz jar\n  Canonical auto-r\u00e9f\u00e9rente \u00b7 Un seul H1 \u00b7 Tables en HTML statique\n  Conversions : 1 US fl oz = 29.5735295625 mL \u00b7 1 US cup = 8 US fl oz\n============================================================ -->\n\n<h1>4 oz and 8 oz Container Sizes: How Much They Hold and How to Choose the Right Jar<\/h1>\n\n<p>Four US fluid ounces equal <strong>118.29 mL<\/strong>, half a US cup, or 8 tablespoons. Eight US fluid ounces equal <strong>236.59 mL<\/strong>, exactly one US cup, or 16 tablespoons. These two capacities are among the most common glass jar and container sizes for food, cosmetics, candles and sampling. This guide covers the exact conversions, what fits inside each size, and how to choose between them for a packaging project.<\/p>\n<figure>\n<svg viewBox=\"0 0 760 290\" role=\"img\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"><title>4 oz and 8 oz jars drawn to scale: 118 mL equals half a cup, 237 mL equals one cup<\/title><rect x=\"190\" y=\"96\" width=\"88\" height=\"134\" rx=\"10\" fill=\"#F1F4F2\" stroke=\"#1D3A31\" stroke-width=\"2.5\"\/><rect x=\"196\" y=\"84\" width=\"76\" height=\"15\" rx=\"4\" fill=\"#1D3A31\"\/><rect x=\"430\" y=\"62\" width=\"110\" height=\"168\" rx=\"10\" fill=\"#F1F4F2\" stroke=\"#1D3A31\" stroke-width=\"2.5\"\/><rect x=\"436\" y=\"50\" width=\"98\" height=\"15\" rx=\"4\" fill=\"#1D3A31\"\/><text x=\"234\" y=\"254\" font-size=\"13\" fill=\"#1D3A31\" text-anchor=\"middle\" font-weight=\"700\" font-family=\"system-ui,-apple-system,Segoe UI,Roboto,Arial,sans-serif\">4 oz &#8212; 118.29 mL<\/text><text x=\"234\" y=\"272\" font-size=\"11.5\" fill=\"#4A5A54\" text-anchor=\"middle\" font-weight=\"400\" font-family=\"system-ui,-apple-system,Segoe UI,Roboto,Arial,sans-serif\">&#189; US cup &#183; 8 tbsp<\/text><text x=\"485\" y=\"254\" font-size=\"13\" fill=\"#1D3A31\" text-anchor=\"middle\" font-weight=\"700\" font-family=\"system-ui,-apple-system,Segoe UI,Roboto,Arial,sans-serif\">8 oz &#8212; 236.59 mL<\/text><text x=\"485\" y=\"272\" font-size=\"11.5\" fill=\"#4A5A54\" text-anchor=\"middle\" font-weight=\"400\" font-family=\"system-ui,-apple-system,Segoe UI,Roboto,Arial,sans-serif\">exactly 1 US cup &#183; 16 tbsp<\/text><text x=\"357\" y=\"100\" font-size=\"20\" fill=\"#A9631F\" text-anchor=\"middle\" font-weight=\"700\" font-family=\"system-ui,-apple-system,Segoe UI,Roboto,Arial,sans-serif\">&#215; 2<\/text><\/svg>\n<figcaption>4 oz and 8 oz side by side: 118.29 mL (half a US cup) versus 236.59 mL (exactly one US cup).<\/figcaption>\n<\/figure>\n\n\n<nav aria-label=\"Table of contents\">\n  <ul>\n    <li><a href=\"#four-oz\">How much is 4 oz?<\/a><\/li>\n    <li><a href=\"#eight-oz\">How much is 8 oz?<\/a><\/li>\n    <li><a href=\"#chart\">Container size conversion chart<\/a><\/li>\n    <li><a href=\"#volume-weight\">Fluid ounces vs ounces by weight<\/a><\/li>\n    <li><a href=\"#uses\">Typical uses for 4 oz and 8 oz jars<\/a><\/li>\n    <li><a href=\"#choose\">How to choose between 4 oz and 8 oz<\/a><\/li>\n    <li><a href=\"#faq\">FAQ<\/a><\/li>\n  <\/ul>\n<\/nav>\n\n<h2 id=\"four-oz\">How much is 4 oz?<\/h2>\n<p>Four US fluid ounces equal <strong>118.29 mL<\/strong>, which is <strong>half a US cup<\/strong> or <strong>8 US tablespoons<\/strong>. In imperial units, 4 US fl oz equal approximately 4.16 imperial fluid ounces. As a mental picture: a 4 oz jar holds about as much as half a standard coffee mug.<\/p>\n<p>Formula: 4 \u00d7 29.5735295625 = 118.2941 mL. For any other value, use our <a href=\"\/oz-to-ml-conversion\/\">mL to oz converter<\/a>.<\/p>\n\n<h2 id=\"eight-oz\">How much is 8 oz?<\/h2>\n<p>Eight US fluid ounces equal <strong>236.59 mL<\/strong>, which is <strong>exactly one US cup<\/strong> or <strong>16 US tablespoons<\/strong>. In imperial units, 8 US fl oz equal approximately 8.33 imperial fluid ounces. Note that an 8 oz container is <em>not<\/em> the same as a half-pint of beer in the UK: the imperial half-pint is 284.13 mL, about 20% larger.<\/p>\n<p>Formula: 8 \u00d7 29.5735295625 = 236.5882 mL.<\/p>\n\n<h2 id=\"chart\">Container size conversion chart<\/h2>\n<div class=\"table-scroll\">\n<table>\n  <caption>Common US container capacities in mL, cups and tablespoons<\/caption>\n  <thead><tr><th scope=\"col\">Capacity<\/th><th scope=\"col\">mL<\/th><th scope=\"col\">US cups<\/th><th scope=\"col\">Tablespoons<\/th><th scope=\"col\">Typical container<\/th><\/tr><\/thead>\n  <tbody>\n    <tr><td>1 fl oz<\/td><td>29.57<\/td><td>1\/8<\/td><td>2<\/td><td>Sample vial, dropper bottle<\/td><\/tr>\n    <tr><td>2 fl oz<\/td><td>59.15<\/td><td>1\/4<\/td><td>4<\/td><td>Travel jar, spice sample<\/td><\/tr>\n    <tr><td>4 fl oz<\/td><td>118.29<\/td><td>1\/2<\/td><td>8<\/td><td>Cosmetic jar, jam sampler, small candle<\/td><\/tr>\n    <tr><td>6 fl oz<\/td><td>177.44<\/td><td>3\/4<\/td><td>12<\/td><td>Yogurt jar, votive candle<\/td><\/tr>\n    <tr><td>8 fl oz<\/td><td>236.59<\/td><td>1<\/td><td>16<\/td><td>Standard jam jar, candle tumbler, cream jar<\/td><\/tr>\n    <tr><td>12 fl oz<\/td><td>354.88<\/td><td>1.5<\/td><td>24<\/td><td>Salsa jar, large candle<\/td><\/tr>\n    <tr><td>16 fl oz<\/td><td>473.18<\/td><td>2<\/td><td>32<\/td><td>Pint jar, sauce jar<\/td><\/tr>\n    <tr><td>32 fl oz<\/td><td>946.35<\/td><td>4<\/td><td>64<\/td><td>Quart jar, bulk food<\/td><\/tr>\n  <\/tbody>\n<\/table>\n<\/div>\n<p><em>Values use the NIST factor of 29.5735295625 mL per US fluid ounce. Container names are informal trade descriptions, not regulated designations.<\/em><\/p>\n\n<h2 id=\"volume-weight\">Fluid ounces vs ounces by weight: the trap on jar labels<\/h2>\n<p>A <strong>fluid ounce measures volume<\/strong>; an <strong>ounce without &#8220;fluid&#8221; measures weight<\/strong>. This distinction matters more for jars than for bottles, because food products in jars are usually declared by <em>net weight<\/em>, while the jar itself is sized by <em>volume<\/em>.<\/p>\n<p>Example: a &#8220;4 oz&#8221; glass jar has a fill capacity of about 118 mL. Filled with honey (density \u2248 1.42 g\/mL), it actually contains around <strong>5.9 oz net weight<\/strong> of product. Filled with a whipped cosmetic butter (density \u2248 0.6 g\/mL), the same jar holds only about 2.5 oz by weight. Two brands can therefore use the identical jar and print very different net contents on the label.<\/p>\n<figure>\n<svg viewBox=\"0 0 760 280\" role=\"img\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"><title>The same 4 oz jar holds about 5.9 ounces of honey but only 2.5 ounces of whipped balm by weight<\/title><pattern id=\"hxq2\" width=\"6\" height=\"6\" patternUnits=\"userSpaceOnUse\" patternTransform=\"rotate(45)\"><rect width=\"6\" height=\"6\" fill=\"#F1F4F2\"\/><line x1=\"0\" y1=\"0\" x2=\"0\" y2=\"6\" stroke=\"#A9631F\" stroke-width=\"1.4\" opacity=\".55\"\/><\/pattern><rect x=\"170\" y=\"70\" width=\"96\" height=\"140\" rx=\"10\" fill=\"#F1F4F2\" stroke=\"#1D3A31\" stroke-width=\"2.5\"\/><rect x=\"173\" y=\"87\" width=\"90\" height=\"120\" rx=\"7\" fill=\"#A9631F\"\/><rect x=\"176\" y=\"58\" width=\"84\" height=\"15\" rx=\"4\" fill=\"#1D3A31\"\/><rect x=\"440\" y=\"70\" width=\"96\" height=\"140\" rx=\"10\" fill=\"#F1F4F2\" stroke=\"#1D3A31\" stroke-width=\"2.5\"\/><rect x=\"443\" y=\"87\" width=\"90\" height=\"120\" rx=\"7\" fill=\"url(#hxq2)\"\/><rect x=\"446\" y=\"58\" width=\"84\" height=\"15\" rx=\"4\" fill=\"#1D3A31\"\/><text x=\"218\" y=\"234\" font-size=\"12\" fill=\"#1D3A31\" text-anchor=\"middle\" font-weight=\"700\" font-family=\"system-ui,-apple-system,Segoe UI,Roboto,Arial,sans-serif\">honey (&#8776; 1.42 g\/mL)<\/text><text x=\"218\" y=\"254\" font-size=\"12.5\" fill=\"#A9631F\" text-anchor=\"middle\" font-weight=\"700\" font-family=\"system-ui,-apple-system,Segoe UI,Roboto,Arial,sans-serif\">&#8776; 5.9 oz net weight<\/text><text x=\"488\" y=\"234\" font-size=\"12\" fill=\"#1D3A31\" text-anchor=\"middle\" font-weight=\"700\" font-family=\"system-ui,-apple-system,Segoe UI,Roboto,Arial,sans-serif\">whipped balm (&#8776; 0.6 g\/mL)<\/text><text x=\"488\" y=\"254\" font-size=\"12.5\" fill=\"#A9631F\" text-anchor=\"middle\" font-weight=\"700\" font-family=\"system-ui,-apple-system,Segoe UI,Roboto,Arial,sans-serif\">&#8776; 2.5 oz net weight<\/text><text x=\"380\" y=\"40\" font-size=\"13\" fill=\"#1D3A31\" text-anchor=\"middle\" font-weight=\"700\" font-family=\"system-ui,-apple-system,Segoe UI,Roboto,Arial,sans-serif\">same &#171; 4 oz &#187; jar &#8212; 118 mL fill<\/text><\/svg>\n<figcaption>The label trap: one 118 mL jar, two very different net weights depending on product density.<\/figcaption>\n<\/figure>\n\n<p>For packaging development, always specify three numbers separately: the jar&#8217;s <strong>brimful capacity<\/strong>, the intended <strong>fill volume<\/strong>, and the product&#8217;s <strong>net weight declaration<\/strong>. Capacity alone never determines the label.<\/p>\n\n\n<figure>\n<img loading=\"lazy\" src=\"https:\/\/glassrock.com\/wp-content\/uploads\/2026\/07\/GLASS-2.jpg\" alt=\"Row of glass jars with metal twist-off lids\" width=\"1300\" height=\"956\" loading=\"lazy\" decoding=\"async\">\n<figcaption>The 4 oz and 8 oz formats with their twist-off finishes &#8212; the closure decides which lid fits.<\/figcaption>\n<\/figure>\n<h2 id=\"uses\">Typical uses for 4 oz and 8 oz glass jars<\/h2>\n<h3>4 oz (118 mL) containers<\/h3>\n<p>The 4 oz format is the workhorse of sampling and premium small-batch products: cosmetic creams and balms, artisan jam and honey samplers, spice blends, single-serve desserts, votive and travel candles, and gift-set components. Its small label panel rewards simple, high-contrast branding, and its low glass weight keeps shipping costs down for e-commerce brands.<\/p>\n<figure>\n<img loading=\"lazy\" src=\"https:\/\/glassrock.com\/wp-content\/uploads\/2025\/11\/120ml-Straight-Sided-Mason-Jar-Wide-Mouth.png\" alt=\"120 mL straight-sided wide-mouth glass jar, a typical 4 oz container\" width=\"536\" height=\"536\" loading=\"lazy\" decoding=\"async\">\n<figcaption>A typical 4 oz format: 120 mL straight-sided wide-mouth jar for creams, samplers and small-batch food.<\/figcaption>\n<\/figure>\n\n<h3>8 oz (237 mL) containers<\/h3>\n<p>The 8 oz format is the standard retail size for jam, honey, nut butters, candles and face creams. Holding exactly one US cup, it is intuitive for consumers and efficient for fill lines. Straight-sided 8 oz jars maximize label area and stack cleanly; shorter, wider profiles suit candles where flame-to-glass distance matters.<\/p>\n<figure>\n<img loading=\"lazy\" src=\"https:\/\/glassrock.com\/wp-content\/uploads\/2025\/11\/250ml-Mason-Jar-embossed-with-diamond-pattern.png\" alt=\"250 mL embossed glass mason jar, a typical 8 oz container\" width=\"563\" height=\"563\" loading=\"lazy\" decoding=\"async\">\n<figcaption>A typical 8 oz retail format: 250 mL embossed jar &#8212; one US cup of product, maximum shelf presence.<\/figcaption>\n<\/figure>\n\n\n<h2 id=\"choose\">How to choose between 4 oz and 8 oz for your product<\/h2>\n<div class=\"table-scroll\">\n<table>\n  <caption>4 oz vs 8 oz decision criteria for packaging projects<\/caption>\n  <thead><tr><th scope=\"col\">Criterion<\/th><th scope=\"col\">4 oz favors<\/th><th scope=\"col\">8 oz favors<\/th><\/tr><\/thead>\n  <tbody>\n    <tr><td>Price positioning<\/td><td>Premium per-unit pricing, low facial price<\/td><td>Value perception, standard shelf price<\/td><\/tr>\n    <tr><td>Product cost<\/td><td>Expensive contents (actives, saffron, balms)<\/td><td>Everyday contents (jam, candles)<\/td><\/tr>\n    <tr><td>Usage cycle<\/td><td>Products used sparingly or that expire fast<\/td><td>Daily-use products<\/td><\/tr>\n    <tr><td>Channel<\/td><td>Gifting, hotel amenities, sampling, DTC trial<\/td><td>Grocery retail, core range<\/td><\/tr>\n    <tr><td>Logistics<\/td><td>Lower weight per unit, denser cartons<\/td><td>Fewer units to fill, cap and label per liter sold<\/td><\/tr>\n  <\/tbody>\n<\/table>\n<\/div>\n<p>Many brands run both: 4 oz as the discovery and gifting size, 8 oz as the core retail unit \u2014 ideally in the same jar family so closures, decoration and brand blocking stay consistent on shelf.<\/p>\n<p>One capacity, many shapes: a 4 oz jar can be low and wide (cosmetics), straight-sided (food), or hexagonal (honey), each with different heights, diameters, neck finishes and case counts. Capacity never defines dimensions \u2014 always work from the <a href=\"\/packaging-dimensions-lxwxh\/\">manufacturer&#8217;s technical drawing<\/a>. See our <a href=\"\/liquor-bottle-sizes\/\">complete guide to bottle and container capacities<\/a> for the same principle applied to bottles.<\/p>\n\n\n<figure>\n<img loading=\"lazy\" src=\"https:\/\/glassrock.com\/wp-content\/uploads\/2025\/11\/Photo-Banner-Jar.png\" alt=\"Range of glass jars manufactured by GlassRock\" width=\"1920\" height=\"1080\" loading=\"lazy\" decoding=\"async\">\n<figcaption>Glass jars from 50 mL to 1 L, stock or custom mold &#8212; food, cosmetic and candle grades.<\/figcaption>\n<\/figure>\n\n<!-- CTA B2B -->\n<aside>\n  <p><strong>Developing a product in a 4 oz or 8 oz glass jar?<\/strong><br>\n  GlassRock manufactures glass jars and containers in standard and custom capacities for food, cosmetic and candle brands. Send us your target fill volume, product type, closure, decoration and annual quantity.<\/p>\n  <p><a href=\"https:\/\/glassrock.com\/#contactform\">Find a suitable jar<\/a> \u00b7 <a href=\"\/glass-jar-manufacturer\/\">Browse our glass jars<\/a><\/p>\n<\/aside>\n\n<h2 id=\"faq\">FAQ<\/h2>\n<h3>How many cups is 4 oz?<\/h3>\n<p>Four US fluid ounces equal exactly half a US cup (0.5 cup), or 8 tablespoons. This applies to volume only: 4 oz by weight converts to cups differently depending on the ingredient&#8217;s density.<\/p>\n<h3>How many mL is 4 oz?<\/h3>\n<p>4 US fluid ounces = 118.29 mL. In imperial fluid ounces, 4 US fl oz \u2248 4.16 imp fl oz (about 113.65 mL would be 4 imperial fl oz).<\/p>\n<h3>Is 8 oz always one cup?<\/h3>\n<p>Eight US <em>fluid<\/em> ounces always equal one US cup by volume. Eight ounces by <em>weight<\/em> equals one cup only for water-like liquids; denser or lighter products differ.<\/p>\n<h3>How many mL is 8 oz?<\/h3>\n<p>8 US fluid ounces = 236.59 mL, which is exactly one US customary cup (236.5882 mL).<\/p>\n<h3>What size is a standard jam jar?<\/h3>\n<p>In North America, 8 oz (237 mL) is the most common retail jam jar, with 4 oz used for samplers and gift sets. European jam jars are typically sized in metric: 212 mL, 250 mL or 370 mL. For the full US canning range, see our <a href=\"\/mason-jar-sizes\/\">mason jar sizes guide<\/a>.<\/p>\n<h3>Does a 4 oz jar hold 4 oz of product by weight?<\/h3>\n<p>Not necessarily. A 4 oz jar holds 4 fluid ounces (118 mL) by volume. The net weight depends on the product&#8217;s density: about 5.9 oz for honey, but only about 2.5 oz for a whipped balm.<\/p>\n\n<!-- JSON-LD -->\n<script type=\"application\/ld+json\">\n{\n  \"@context\": \"https:\/\/schema.org\",\n  \"@type\": \"Article\",\n  \"headline\": \"4 oz and 8 oz Container Sizes: How Much They Hold and How to Choose the Right Jar\",\n  \"description\": \"How much is 4 oz or 8 oz? Convert to mL, cups and tablespoons, compare glass jar and container sizes, and get B2B packaging guidance.\",\n  \"author\": {\"@type\": \"Organization\", \"name\": \"GlassRock Editorial Team\", \"url\": \"https:\/\/glassrock.com\/\"},\n  \"publisher\": {\"@type\": \"Organization\", \"name\": \"GlassRock\", \"url\": \"https:\/\/glassrock.com\/\"},\n  \"datePublished\": \"2026-07-13\",\n  \"dateModified\": \"2026-07-13\",\n  \"mainEntityOfPage\": \"https:\/\/glassrock.com\/4-oz-8-oz-jar-container-sizes\/\",\n  \"inLanguage\": \"en\"\n}\n<\/script>\n\n<style>.grx-prod{display:grid;grid-template-columns:repeat(3,1fr);gap:1.1rem;margin:1.6rem 0}.grx-prod figure{margin:0;text-align:center}.grx-prod img{width:100%;height:auto;max-height:230px;object-fit:contain;background:#F1F4F2;border-radius:8px;padding:.5rem}.grx-prod figcaption{font-size:.85rem;margin-top:.45rem;line-height:1.35}.grx-prod figcaption a{color:#1D3A31;font-weight:600;text-decoration:none}.grx-prod figcaption a:hover{text-decoration:underline}.grx-rel{background:#F1F4F2;border:1px solid #C9D4CE;border-radius:8px;padding:1rem 1.3rem;margin:1.8rem 0}.grx-rel h2{margin-top:0;font-size:1.15rem}.grx-rel ul{margin:.5rem 0 0;padding-left:1.2rem}.grx-rel li{margin:.3rem 0}@media(max-width:600px){.grx-prod{grid-template-columns:repeat(2,1fr)}}<\/style>\n<h2>4 oz and 8 oz glass jars<\/h2>\n<div class=\"grx-prod\">\n<figure><a href=\"https:\/\/glassrock.com\/product\/100ml-glass-jar-no-shoulder\/\"><img src=\"https:\/\/glassrock.com\/wp-content\/uploads\/2025\/11\/100ml-Glass-Jar-No-Shoulder.png\" alt=\"100ml Glass Jar No Shoulder manufactured by GlassRock\" loading=\"lazy\" decoding=\"async\"><\/a><figcaption><a href=\"https:\/\/glassrock.com\/product\/100ml-glass-jar-no-shoulder\/\">100ml Glass Jar No Shoulder<\/a><\/figcaption><\/figure>\n<figure><a href=\"https:\/\/glassrock.com\/product\/100ml-hexagonal-jar-for-spices\/\"><img src=\"https:\/\/glassrock.com\/wp-content\/uploads\/2025\/11\/100ml-Hexagonal-Jar-for-Spices.png\" alt=\"100ml Hexagonal Jar for Spices manufactured by GlassRock\" loading=\"lazy\" decoding=\"async\"><\/a><figcaption><a href=\"https:\/\/glassrock.com\/product\/100ml-hexagonal-jar-for-spices\/\">100ml Hexagonal Jar for Spices<\/a><\/figcaption><\/figure>\n<figure><a href=\"https:\/\/glassrock.com\/product\/100ml-jam-glass-jar-bonne-maman\/\"><img src=\"https:\/\/glassrock.com\/wp-content\/uploads\/2025\/11\/100ml-Jam-Glass-Jar-Bonne-Maman.png\" alt=\"100ml Jam Glass Jar Bonne Maman manufactured by GlassRock\" loading=\"lazy\" decoding=\"async\"><\/a><figcaption><a href=\"https:\/\/glassrock.com\/product\/100ml-jam-glass-jar-bonne-maman\/\">100ml Jam Glass Jar Bonne Maman<\/a><\/figcaption><\/figure>\n<\/div>\n\n<aside class=\"grx-rel\">\n<h2>Related guides<\/h2>\n<ul>\n<li><a href=\"\/is-glass-microwave-oven-freezer-safe\/\">Is glass microwave, oven, dishwasher and freezer safe?<\/a><\/li>\n<li><a href=\"\/mason-jar-sizes\/\">Mason jar sizes: 4 oz to 64 oz<\/a><\/li>\n<li><a href=\"\/jar-sizes\/\">Glass jar sizes and finishes<\/a><\/li>\n<li><a href=\"\/ml-to-cups\/\">mL to cups conversion chart<\/a><\/li>\n<li><a href=\"\/packaging-dimensions-lxwxh\/\">L&#215;W&#215;H packaging dimensions explained<\/a><\/li>\n<\/ul>\n<\/aside>\n<\/div>\n","protected":false},"excerpt":{"rendered":"<p>4 oz and 8 oz Container Sizes: How Much They Hold and How to Choose the Right Jar Four US fluid ounces equal 118.29 mL, half a US cup, or 8 tablespoons. Eight US fluid ounces equal 236.59 mL, exactly one US cup, or 16 tablespoons. These two capacities are among the most common glass [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[1],"tags":[],"class_list":["post-11275","post","type-post","status-publish","format-standard","hentry","category-uncategorized"],"acf":{"banner_image":null,"title_on_banner":"","Premiere_image":null,"Bloc_texte_1":"","Bloc_texte_2":"","seconde_image":null,"Bloc_texte_3":"","Bloc_texte_4":"","troisieme_image":null,"Bloc_texte_5":"","product":null},"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v28.1 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>4 oz &amp; 8 oz Container Sizes: mL, Cups &amp; Jar Guide (2026)<\/title>\n<meta name=\"description\" content=\"How much is 4 oz or 8 oz? 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