{"id":6255,"date":"2026-06-04T11:31:25","date_gmt":"2026-06-04T14:31:25","guid":{"rendered":"https:\/\/simcalculo.com.br\/?page_id=6255"},"modified":"2026-10-12T19:08:21","modified_gmt":"2026-10-12T22:08:21","slug":"preco-do-ouro-hoje-por-grama","status":"publish","type":"page","link":"https:\/\/simcalculo.com\/pt-br\/preco-do-ouro-hoje-por-grama\/","title":{"rendered":"Cota\u00e7\u00e3o do ouro hoje no Brasil: pre\u00e7o atualizado 2026"},"content":{"rendered":"<section data-simcalculo-tool=\"ouro-prata-platina\" data-advance-tool=\"ouro-prata-platina\" data-instance-prefix=\"\" class=\"simcalculo-tool opp-widget\" data-metal=\"gold\" data-snapshot=\"{&quot;price&quot;:671.6736599684573,&quot;change_pct&quot;:0.12647353600914601,&quot;updated_at&quot;:1791838799,&quot;fetched_at&quot;:1791842902,&quot;usd_ounce&quot;:4195.9,&quot;exchange&quot;:{&quot;rate&quot;:4.979,&quot;source&quot;:&quot;USD\\\/BRL \\u2014 Yahoo Finance (alternativa \\u00e0 PTAX)&quot;,&quot;at&quot;:&quot;2026-10-12T22:00:33+00:00&quot;,&quot;url&quot;:&quot;https:\\\/\\\/finance.yahoo.com\\\/quote\\\/USDBRL%3DX\\\/&quot;},&quot;symbol&quot;:&quot;GC=F&quot;,&quot;source&quot;:&quot;Yahoo Finance \\u2014 contrato futuro GC=F&quot;,&quot;source_url&quot;:&quot;https:\\\/\\\/finance.yahoo.com\\\/quote\\\/GC%3DF\\\/&quot;,&quot;history&quot;:[{&quot;t&quot;:1791345600,&quot;y&quot;:666.183},{&quot;t&quot;:1791349200,&quot;y&quot;:665.0785},{&quot;t&quot;:1791352800,&quot;y&quot;:665.3986},{&quot;t&quot;:1791356400,&quot;y&quot;:665.7668},{&quot;t&quot;:1791360000,&quot;y&quot;:664.294},{&quot;t&quot;:1791363600,&quot;y&quot;:663.6697},{&quot;t&quot;:1791367200,&quot;y&quot;:663.1895},{&quot;t&quot;:1791370800,&quot;y&quot;:663.9419},{&quot;t&quot;:1791374400,&quot;y&quot;:658.3711},{&quot;t&quot;:1791378000,&quot;y&quot;:660.164},{&quot;t&quot;:1791381600,&quot;y&quot;:661.1405},{&quot;t&quot;:1791385200,&quot;y&quot;:661.3326},{&quot;t&quot;:1791388800,&quot;y&quot;:661.9409},{&quot;t&quot;:1791392400,&quot;y&quot;:662.149},{&quot;t&quot;:1791396000,&quot;y&quot;:662.0049},{&quot;t&quot;:1791399600,&quot;y&quot;:660.7403},{&quot;t&quot;:1791403200,&quot;y&quot;:662.197},{&quot;t&quot;:1791410400,&quot;y&quot;:661.3486},{&quot;t&quot;:1791414000,&quot;y&quot;:661.6047},{&quot;t&quot;:1791417600,&quot;y&quot;:662.9814},{&quot;t&quot;:1791421200,&quot;y&quot;:665.3666},{&quot;t&quot;:1791424800,&quot;y&quot;:665.4626},{&quot;t&quot;:1791428400,&quot;y&quot;:665.9909},{&quot;t&quot;:1791432000,&quot;y&quot;:665.5587},{&quot;t&quot;:1791435600,&quot;y&quot;:663.0134},{&quot;t&quot;:1791439200,&quot;y&quot;:663.6057},{&quot;t&quot;:1791442800,&quot;y&quot;:663.3816},{&quot;t&quot;:1791446400,&quot;y&quot;:664.4701},{&quot;t&quot;:1791450000,&quot;y&quot;:663.9738},{&quot;t&quot;:1791453600,&quot;y&quot;:663.7498},{&quot;t&quot;:1791457200,&quot;y&quot;:664.182},{&quot;t&quot;:1791460800,&quot;y&quot;:663.1255},{&quot;t&quot;:1791464400,&quot;y&quot;:665.0785},{&quot;t&quot;:1791468000,&quot;y&quot;:664.118},{&quot;t&quot;:1791471600,&quot;y&quot;:662.0689},{&quot;t&quot;:1791475200,&quot;y&quot;:664.0219},{&quot;t&quot;:1791478800,&quot;y&quot;:665.4946},{&quot;t&quot;:1791482400,&quot;y&quot;:664.5501},{&quot;t&quot;:1791486000,&quot;y&quot;:665.6547},{&quot;t&quot;:1791489600,&quot;y&quot;:665.6547},{&quot;t&quot;:1791496800,&quot;y&quot;:666.4551},{&quot;t&quot;:1791500400,&quot;y&quot;:667.3996},{&quot;t&quot;:1791504000,&quot;y&quot;:667.2235},{&quot;t&quot;:1791507600,&quot;y&quot;:672.2979},{&quot;t&quot;:1791511200,&quot;y&quot;:672.7462},{&quot;t&quot;:1791514800,&quot;y&quot;:672.6981},{&quot;t&quot;:1791518400,&quot;y&quot;:673.3545},{&quot;t&quot;:1791522000,&quot;y&quot;:675.1954},{&quot;t&quot;:1791525600,&quot;y&quot;:675.6276},{&quot;t&quot;:1791529200,&quot;y&quot;:675.4035},{&quot;t&quot;:1791532800,&quot;y&quot;:674.411},{&quot;t&quot;:1791536400,&quot;y&quot;:674.0908},{&quot;t&quot;:1791540000,&quot;y&quot;:672.9703},{&quot;t&quot;:1791543600,&quot;y&quot;:673.5626},{&quot;t&quot;:1791547200,&quot;y&quot;:672.394},{&quot;t&quot;:1791550800,&quot;y&quot;:674.7632},{&quot;t&quot;:1791554400,&quot;y&quot;:673.4985},{&quot;t&quot;:1791558000,&quot;y&quot;:674.539},{&quot;t&quot;:1791561600,&quot;y&quot;:674.8752},{&quot;t&quot;:1791565200,&quot;y&quot;:675.6436},{&quot;t&quot;:1791568800,&quot;y&quot;:676.2519},{&quot;t&quot;:1791572400,&quot;y&quot;:675.5636},{&quot;t&quot;:1791576000,&quot;y&quot;:674.9392},{&quot;t&quot;:1791756000,&quot;y&quot;:674.0429},{&quot;t&quot;:1791759600,&quot;y&quot;:674.8112},{&quot;t&quot;:1791763200,&quot;y&quot;:677.6926},{&quot;t&quot;:1791766800,&quot;y&quot;:678.0928},{&quot;t&quot;:1791770400,&quot;y&quot;:676.9082},{&quot;t&quot;:1791774000,&quot;y&quot;:676.7161},{&quot;t&quot;:1791777600,&quot;y&quot;:675.3075},{&quot;t&quot;:1791781200,&quot;y&quot;:674.7632},{&quot;t&quot;:1791784800,&quot;y&quot;:673.8987},{&quot;t&quot;:1791788400,&quot;y&quot;:673.0983},{&quot;t&quot;:1791792000,&quot;y&quot;:671.9618},{&quot;t&quot;:1791795600,&quot;y&quot;:671.9298},{&quot;t&quot;:1791799200,&quot;y&quot;:672.6501},{&quot;t&quot;:1791802800,&quot;y&quot;:671.1454},{&quot;t&quot;:1791806400,&quot;y&quot;:670.5371},{&quot;t&quot;:1791810000,&quot;y&quot;:671.6096},{&quot;t&quot;:1791813600,&quot;y&quot;:670.393},{&quot;t&quot;:1791817200,&quot;y&quot;:670.5531},{&quot;t&quot;:1791820800,&quot;y&quot;:670.457},{&quot;t&quot;:1791824400,&quot;y&quot;:671.3695},{&quot;t&quot;:1791828000,&quot;y&quot;:671.0014},{&quot;t&quot;:1791831600,&quot;y&quot;:671.2895},{&quot;t&quot;:1791835200,&quot;y&quot;:671.6736},{&quot;t&quot;:1791838799,&quot;y&quot;:671.6736}],&quot;currency&quot;:&quot;BRL&quot;,&quot;ounce_grams&quot;:31.1034768,&quot;available&quot;:true,&quot;stale&quot;:true,&quot;market_age_hours&quot;:162.2}\" data-endpoint=\"https:\/\/simcalculo.com\/pt-br\/wp-json\/simcalculo\/v1\/metals\">\n<nav class=\"opp-nav\" aria-label=\"Outros metais\"><a href=\"https:\/\/simcalculo.com\/pt-br\/preco-da-prata-hoje-por-grama\/\">Prata<\/a><a href=\"https:\/\/simcalculo.com\/pt-br\/preco-da-platina-hoje-por-grama\/\">Platina<\/a><\/nav>\n<h2 class=\"opp-title\">Cota\u00e7\u00e3o do Ouro Hoje<\/h2>\n<div class=\"opp-main\"><div class=\"opp-price\"><strong class=\"opp-val\">R$ 671,67<\/strong><span class=\"opp-unit\">por grama de metal puro \u00b7 refer\u00eancia em reais<\/span><\/div><span class=\"opp-change up\">0,13%<\/span><\/div>\n<p class=\"opp-status\" role=\"status\">Cota\u00e7\u00e3o do metal: 12\/10\/2026 17:59 -03<\/p>\n<form class=\"opp-form\"><label for=\"grams\">Peso em gramas<input id=\"grams\" name=\"grams\" type=\"number\" min=\"0.001\" max=\"1000000\" step=\"any\" value=\"1\" required inputmode=\"decimal\"><\/label><label for=\"purity\">Pureza do metal<select id=\"purity\" name=\"purity\"><option value=\"1\">24k \/ refer\u00eancia pura<\/option><option value=\"0.91666666666667\">22k<\/option><option value=\"0.75\">18k<\/option><option value=\"0.58333333333333\">14k<\/option><\/select><\/label><button type=\"submit\">Calcular valor<\/button><\/form>\n<output class=\"opp-result\" aria-live=\"polite\">Informe o peso e a pureza para calcular.<\/output>\n<p class=\"opp-note\">Estimativa do metal contido na pe\u00e7a. N\u00e3o \u00e9 oferta de compra ou venda e n\u00e3o inclui fabrica\u00e7\u00e3o, pedras, impostos ou margem do comprador.<\/p>\n<div class=\"opp-table-wrap\"><table class=\"opp-table\"><caption>Refer\u00eancia por peso \u2014 metal puro<\/caption><thead><tr><th scope=\"col\">Peso<\/th><th scope=\"col\">Valor estimado<\/th><\/tr><\/thead><tbody><tr><th scope=\"row\">1 g<\/th><td data-weight=\"1\">R$ 671,67<\/td><\/tr><tr><th scope=\"row\">10 g<\/th><td data-weight=\"10\">R$ 6.716,74<\/td><\/tr><tr><th scope=\"row\">50 g<\/th><td data-weight=\"50\">R$ 33.583,68<\/td><\/tr><tr><th scope=\"row\">100 g<\/th><td data-weight=\"100\">R$ 67.167,37<\/td><\/tr><tr><th scope=\"row\">1000 g<\/th><td data-weight=\"1000\">R$ 671.673,66<\/td><\/tr><\/tbody><\/table><\/div>\n<div class=\"opp-chart-container\"><canvas aria-label=\"Hist\u00f3rico do pre\u00e7o de refer\u00eancia\" role=\"img\"><\/canvas><p class=\"opp-chart-empty\" hidden>Hist\u00f3rico temporariamente indispon\u00edvel.<\/p><\/div>\n<div class=\"opp-details\"><p>Hist\u00f3rico de at\u00e9 5 dias. Convers\u00e3o de todos os pontos pelo mesmo c\u00e2mbio indicado abaixo; n\u00e3o representa o c\u00e2mbio de cada data.<\/p><div class=\"opp-provenance\"><p>Metal: <a href=\"https:\/\/finance.yahoo.com\/quote\/GC%3DF\/\" target=\"_blank\" rel=\"noopener noreferrer\">Yahoo Finance \u2014 contrato futuro GC=F<\/a>.<\/p><p>C\u00e2mbio: USD\/BRL \u2014 Yahoo Finance (alternativa \u00e0 PTAX) \u00b7 2026-10-12T22:00:33+00:00.<\/p><\/div><\/div>\n<details class=\"opp-method\"><summary>Como calculamos e atualizamos<\/summary><p>Refer\u00eancia por grama = contrato futuro em USD por on\u00e7a troy \u00d7 c\u00e2mbio USD\/BRL \u00f7 31,1034768. O valor da liga \u00e9 proporcional \u00e0 pureza selecionada.<\/p><p>Consulta programada a cada hora. O hor\u00e1rio exibido \u00e9 o da cota\u00e7\u00e3o fornecida pelo mercado, n\u00e3o o momento de abertura da p\u00e1gina. Pode haver atraso, feriados e mercado fechado. A fonte cambial \u00e9 identificada; usamos PTAX venda ou USD\/BRL do Yahoo Finance quando a PTAX est\u00e1 indispon\u00edvel.<\/p><p>Contratos futuros n\u00e3o s\u00e3o cota\u00e7\u00e3o spot nem pre\u00e7o de balc\u00e3o. A varia\u00e7\u00e3o percentual acompanha o contrato em d\u00f3lares, n\u00e3o a varia\u00e7\u00e3o di\u00e1ria do pre\u00e7o final em reais.<\/p><\/details>\n<p class=\"opp-credit\">Desenvolvido por <a href=\"https:\/\/rankinteligente.com\/\" rel=\"nofollow noopener noreferrer\" target=\"_blank\">RankInteligente<\/a>.<\/p>\n<\/section>\n\n\n\n\n<p class=\"wp-block-paragraph\">Confira a cota\u00e7\u00e3o do ouro por grama no Brasil com atualiza\u00e7\u00e3o com atualiza\u00e7\u00e3o peri\u00f3dica. Veja o pre\u00e7o atual, o gr\u00e1fico intradi\u00e1rio e compare valores para comprar vender ou investir com dados claros e confi\u00e1veis hoje.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Cota\u00e7\u00e3o do ouro para hoje no Brasil: o que voc\u00ea precisa saber<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">A <strong>cota\u00e7\u00e3o do ouro para hoje<\/strong> \u00e9 o indicador mais confi\u00e1vel para quem busca prote\u00e7\u00e3o patrimonial ou atua no setor de joalheria. Como o <a href=\"https:\/\/simcalculo.com\/pt-br\/preco-do-ouro-hoje-por-grama\/\">ouro<\/a> \u00e9 considerado um ativo tradicionalmente usado como reserva de valor da economia global, seu valor tende a subir em momentos de incerteza financeira, tornando o acompanhamento di\u00e1rio essencial.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">A refer\u00eancia din\u00e2mica no topo da p\u00e1gina representa o pre\u00e7o do <strong><a href=\"https:\/\/simcalculo.com\/pt-br\/preco-do-ouro-hoje-por-grama\/\">Ouro Puro (24k \/ Teor 999)<\/a><\/strong>. Este valor serve como base matem\u00e1tica para calcular o pre\u00e7o de barras de <a href=\"https:\/\/simcalculo.com\/pt-br\/preco-do-ouro-hoje-por-grama\/\">investimento<\/a> e tamb\u00e9m para definir a <strong>cota\u00e7\u00e3o do ouro 18k<\/strong>, amplamente utilizada no com\u00e9rcio de joias brasileiro.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Como o valor do ouro por grama \u00e9 calculado (f\u00f3rmula de refer\u00eancia)<\/h2>\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/simcalculo.com\/pt-br\/wp-content\/uploads\/2026\/02\/Preco-do-ouro-hoje-por-grama-no-Brasil-1024x576.webp\" alt=\"Cota\u00e7\u00e3o do ouro hoje grama Brasil\"\/><figcaption class=\"wp-element-caption\">(Foto: Reprodu\u00e7\u00e3o\/Canva)<\/figcaption><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">O c\u00e1lculo que define a <strong>cota\u00e7\u00e3o do ouro por grama hoje<\/strong> no Brasil segue tr\u00eas vari\u00e1veis principais:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Refer\u00eancia internacional de contratos futuros:<\/strong> O pre\u00e7o da On\u00e7a Troy negociado em bolsas como Londres e Nova York.<\/li>\n\n\n\n<li><strong>D\u00f3lar Comercial (PTAX):<\/strong> O multiplicador cambial que traduz o valor de d\u00f3lares para reais.<\/li>\n\n\n\n<li><strong>Fator de Convers\u00e3o:<\/strong> O valor total internacional \u00e9 dividido por 31,1034768 (gramatura padr\u00e3o da On\u00e7a Troy).<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\">Diferen\u00e7a entre ouro 24k e ouro 18k<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Entender a pureza do metal \u00e9 fundamental para interpretar a <strong>cota\u00e7\u00e3o do ouro 18k hoje<\/strong> com precis\u00e3o:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Ouro 24k (Mil):<\/strong> \u00c9 o refer\u00eancia de ouro puro, padr\u00e3o de barras de investimento. A <strong>cota\u00e7\u00e3o do ouro mil<\/strong> apresentada no topo desta p\u00e1gina serve como base para todos os c\u00e1lculos do mercado.<\/li>\n\n\n\n<li><strong>Ouro 18k (750):<\/strong> Cont\u00e9m 75% de ouro e 25% de ligas met\u00e1licas. \u00c9 o padr\u00e3o da joalheria no Brasil, oferecendo a resist\u00eancia necess\u00e1ria para o uso di\u00e1rio e crava\u00e7\u00e3o de pedras.<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\">Para que serve a refer\u00eancia do pre\u00e7o por grama?<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Consultar a refer\u00eancia atual por grama ajuda em diversas situa\u00e7\u00f5es pr\u00e1ticas:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Avalia\u00e7\u00e3o de Joias:<\/strong> Permite conferir se o valor de uma pe\u00e7a \u00e9 justo em rela\u00e7\u00e3o ao peso do metal puro contido nela.<\/li>\n\n\n\n<li><strong>Penhor e Venda:<\/strong> Ajuda a comparar propostas de casas de compra de ouro, ajudando a comparar propostas, que podem diferir da refer\u00eancia financeira.<\/li>\n\n\n\n<li><strong>Reserva de Valor:<\/strong> Facilita o acompanhamento da valoriza\u00e7\u00e3o do seu patrim\u00f4nio f\u00edsico (barras e moedas) com atualiza\u00e7\u00e3o peri\u00f3dica.<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\">Diferen\u00e7a entre valor de refer\u00eancia e pre\u00e7o de balc\u00e3o<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">O valor exibido aqui \u00e9 a <strong>refer\u00eancia do contrato futuro convertida para reais<\/strong>. Ao negociar ouro fisicamente, o pre\u00e7o final pode sofrer varia\u00e7\u00f5es devido a impostos (como o IOF), custos de cust\u00f3dia, transporte e a margem (spread) da institui\u00e7\u00e3o vendedora.<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Veja tamb\u00e9m:<\/strong> <a href=\"https:\/\/simcalculo.com\/pt-br\/cotacao-ouro11\/\">Cota\u00e7\u00e3o OURO11 Hoje: Gr\u00e1fico e Varia\u00e7\u00e3o com Atualiza\u00e7\u00e3o Peri\u00f3dica<\/a><\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\">O que faz o pre\u00e7o do ouro mudar diariamente?<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">O ouro reage a eventos globais. Quando os juros nos EUA sobem, o metal pode sofrer press\u00e3o negativa; em cen\u00e1rios de riscos geopol\u00edticos ou infla\u00e7\u00e3o alta, a busca por seguran\u00e7a faz a <strong>cota\u00e7\u00e3o do ouro<\/strong> disparar. Como os pre\u00e7os variam durante as sess\u00f5es de negocia\u00e7\u00e3o, nossa ferramenta \u00e9 essencial para manter seus \u00faltima refer\u00eancia dispon\u00edvel.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Observa\u00e7\u00e3o final<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Os valores apresentados s\u00e3o refer\u00eancias baseadas em dados p\u00fablicos de mercado. Antes de realizar qualquer opera\u00e7\u00e3o financeira de compra ou venda, confirme as taxas vigentes com sua corretora ou estabelecimento comercial.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Confira a cota\u00e7\u00e3o do ouro por grama no Brasil com atualiza\u00e7\u00e3o com atualiza\u00e7\u00e3o peri\u00f3dica. Veja o pre\u00e7o atual, o gr\u00e1fico intradi\u00e1rio e compare valores&hellip;<\/p>\n","protected":false},"author":1,"featured_media":0,"parent":0,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"footnotes":""},"class_list":["post-6255","page","type-page","status-publish","hentry"],"_links":{"self":[{"href":"https:\/\/simcalculo.com\/pt-br\/wp-json\/wp\/v2\/pages\/6255","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/simcalculo.com\/pt-br\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/simcalculo.com\/pt-br\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/simcalculo.com\/pt-br\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/simcalculo.com\/pt-br\/wp-json\/wp\/v2\/comments?post=6255"}],"version-history":[{"count":0,"href":"https:\/\/simcalculo.com\/pt-br\/wp-json\/wp\/v2\/pages\/6255\/revisions"}],"wp:attachment":[{"href":"https:\/\/simcalculo.com\/pt-br\/wp-json\/wp\/v2\/media?parent=6255"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}