{"id":12451,"date":"2026-01-08T10:28:43","date_gmt":"2026-01-08T01:28:43","guid":{"rendered":"https:\/\/rakkoserver.com\/plus\/?p=12309"},"modified":"2026-01-08T10:28:43","modified_gmt":"2026-01-08T01:28:43","slug":"tool-bin-to-oct","status":"publish","type":"post","link":"https:\/\/rakkokeyword.com\/techo\/tool-bin-to-oct\/","title":{"rendered":"2\u9032\u6570\u21928\u9032\u6570\u5909\u63db\u30c4\u30fc\u30eb"},"content":{"rendered":"\n<div id=\"b2o_tool_v3\" style=\"width: 100%; color: #333; font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif; line-height: 1.6;\">\n    <style>\n        #b2o_tool_v3 .b2o_input_group { margin-bottom: 20px; }\n        #b2o_tool_v3 p.b2o_label { margin: 0 0 8px 0; font-weight: bold; font-size: 15px; color: #1a1a1a; }\n        #b2o_tool_v3 textarea.b2o_textarea {\n            width: 100%;\n            height: 110px;\n            padding: 12px;\n            box-sizing: border-box;\n            border: 2px solid #ddd;\n            border-radius: 6px;\n            font-family: 'Courier New', Courier, monospace;\n            font-size: 16px;\n            resize: vertical;\n            background-color: #ffffff;\n            transition: border-color 0.2s;\n        }\n        #b2o_tool_v3 textarea.b2o_textarea:focus {\n            outline: none;\n            border-color: #13284B;\n        }\n        #b2o_tool_v3 .b2o_button_area { \n            display: flex;\n            flex-direction: column;\n            gap: 10px;\n            margin-bottom: 25px;\n        }\n        #b2o_tool_v3 .b2o_convert_btn {\n            width: 100%;\n            height: 48px;\n            background-color: #13284B;\n            color: #ffffff;\n            border: none;\n            border-radius: 6px;\n            font-size: 16px;\n            font-weight: bold;\n            cursor: pointer;\n            display: flex;\n            align-items: center;\n            justify-content: center;\n        }\n        #b2o_tool_v3 .b2o_convert_btn:hover { opacity: 0.95; }\n        #b2o_tool_v3 .b2o_convert_btn:active { transform: translateY(1px); }\n        \n        #b2o_tool_v3 .b2o_clear_btn {\n            background: none;\n            border: 1px solid #ccc;\n            color: #666;\n            height: 48px;\n            border-radius: 6px;\n            font-size: 14px;\n            cursor: pointer;\n            background-color: #fff;\n        }\n        #b2o_tool_v3 .b2o_clear_btn:hover { background-color: #f5f5f5; }\n\n        #b2o_tool_v3 .b2o_result_area {\n            background-color: #f0f2f5;\n            padding: 24px;\n            border-radius: 8px;\n            display: none;\n            text-align: center;\n            \/* \u6307\u793a\u306b\u57fa\u3065\u304d\u4e0b\u306b10px\u306e\u4f59\u767d\u3092\u8ffd\u52a0 *\/\n            margin-bottom: 10px;\n        }\n        #b2o_tool_v3 p.b2o_result_label { margin: 0 0 12px 0; font-size: 14px; color: #555; text-transform: uppercase; letter-spacing: 0.05em; }\n        #b2o_tool_v3 .b2o_result_value {\n            font-size: 32px;\n            font-weight: 800;\n            color: #13284B;\n            word-break: break-all;\n            margin: 0;\n            line-height: 1.2;\n        }\n        #b2o_tool_v3 .b2o_error_msg {\n            color: #b71c1c;\n            background-color: #ffebee;\n            padding: 12px;\n            border-radius: 6px;\n            display: none;\n            margin-bottom: 20px;\n            font-size: 14px;\n            border-left: 4px solid #b71c1c;\n        }\n\n        @media (min-width: 480px) {\n            #b2o_tool_v3 .b2o_button_area {\n                flex-direction: row;\n                align-items: center;\n            }\n            #b2o_tool_v3 .b2o_convert_btn { flex: 2; }\n            #b2o_tool_v3 .b2o_clear_btn { flex: 1; }\n        }\n    <\/style>\n\n    <div id=\"b2o_error_v3\" class=\"b2o_error_msg\"><\/div>\n\n    <div class=\"b2o_input_group\">\n        <p class=\"b2o_label\">2\u9032\u6570 (Binary)<\/p>\n        <textarea id=\"b2o_input_v3\" class=\"b2o_textarea\" placeholder=\"0\u30681\u3092\u5165\u529b\uff08\u4f8b: 110101\uff09\" spellcheck=\"false\"><\/textarea>\n    <\/div>\n\n    <div class=\"b2o_button_area\">\n        <button id=\"b2o_submit_v3\" class=\"b2o_convert_btn\">8\u9032\u6570\u306b\u5909\u63db\u3059\u308b<\/button>\n        <button id=\"b2o_clear_v3\" class=\"b2o_clear_btn\">\u30af\u30ea\u30a2<\/button>\n    <\/div>\n\n    <div id=\"b2o_result_container_v3\" class=\"b2o_result_area\">\n        <p class=\"b2o_result_label\">8\u9032\u6570\u5909\u63db\u7d50\u679c (Octal)<\/p>\n        <p id=\"b2o_result_v3\" class=\"b2o_result_value\"><\/p>\n    <\/div>\n\n    <script>\n        (function() {\n            document.addEventListener('DOMContentLoaded', function() {\n                const inputEl = document.getElementById('b2o_input_v3');\n                const submitBtn = document.getElementById('b2o_submit_v3');\n             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0.8rem;\n            }\n        }\n    <\/style>\n    \n    <div class=\"converter-nav-header\">\u4ed6\u306e\u57fa\u6570\u5909\u63db\u30c4\u30fc\u30eb<\/div>\n    \n    <div class=\"converter-tabs\">\n        <div class=\"converter-tab active\" onclick=\"converterShowTab(this, 'bin')\">2\u9032\u6570<\/div>\n        <div class=\"converter-tab\" onclick=\"converterShowTab(this, 'oct')\">8\u9032\u6570<\/div>\n        <div class=\"converter-tab\" onclick=\"converterShowTab(this, 'dec')\">10\u9032\u6570<\/div>\n        <div class=\"converter-tab\" onclick=\"converterShowTab(this, 'hex')\">16\u9032\u6570<\/div>\n    <\/div>\n    \n    <div id=\"converter-bin\" class=\"converter-content active\">\n        <div class=\"converter-grid\">\n            <a href=\"https:\/\/rakkokeyword.com\/techo\/tool-bin-to-oct\/\" class=\"converter-link\">8\u9032\u6570<\/a>\n            <a href=\"https:\/\/rakkokeyword.com\/techo\/tool-bin-to-dec\/\" class=\"converter-link\">10\u9032\u6570<\/a>\n            <a href=\"https:\/\/rakkokeyword.com\/techo\/tool-bin-to-hex\/\" class=\"converter-link\">16\u9032\u6570<\/a>\n        <\/div>\n    <\/div>\n    \n    <div id=\"converter-oct\" class=\"converter-content\">\n        <div class=\"converter-grid\">\n            <a href=\"https:\/\/rakkokeyword.com\/techo\/tool-oct-to-bin\/\" class=\"converter-link\">2\u9032\u6570<\/a>\n            <a href=\"https:\/\/rakkokeyword.com\/techo\/tool-oct-to-dec\/\" class=\"converter-link\">10\u9032\u6570<\/a>\n            <a href=\"https:\/\/rakkokeyword.com\/techo\/tool-oct-to-hex\/\" class=\"converter-link\">16\u9032\u6570<\/a>\n        <\/div>\n    <\/div>\n    \n    <div id=\"converter-dec\" class=\"converter-content\">\n        <div class=\"converter-grid\">\n            <a href=\"https:\/\/rakkokeyword.com\/techo\/tool-dec-to-bin\/\" class=\"converter-link\">2\u9032\u6570<\/a>\n            <a href=\"https:\/\/rakkokeyword.com\/techo\/tool-dec-to-oct\/\" class=\"converter-link\">8\u9032\u6570<\/a>\n            <a href=\"https:\/\/rakkokeyword.com\/techo\/tool-dec-to-hex\/\" class=\"converter-link\">16\u9032\u6570<\/a>\n        <\/div>\n    <\/div>\n    \n    <div id=\"converter-hex\" class=\"converter-content\">\n        <div class=\"converter-grid\">\n            <a href=\"https:\/\/rakkokeyword.com\/techo\/tool-hex-to-bin\/\" class=\"converter-link\">2\u9032\u6570<\/a>\n            <a href=\"https:\/\/rakkokeyword.com\/techo\/tool-hex-to-oct\/\" class=\"converter-link\">8\u9032\u6570<\/a>\n            <a href=\"https:\/\/rakkokeyword.com\/techo\/tool-hex-to-dec\/\" class=\"converter-link\">10\u9032\u6570<\/a>\n        <\/div>\n    <\/div>\n    \n    <script>\n        (function() {\n            \/\/ \u30bf\u30d6\u5207\u308a\u66ff\u3048\u95a2\u6570\uff08\u30b0\u30ed\u30fc\u30d0\u30eb\u30b9\u30b3\u30fc\u30d7\u306b\u914d\u7f6e\uff09\n            window.converterShowTab = function(element, tabId) {\n                \/\/ \u3059\u3079\u3066\u306e\u30bf\u30d6\u3068\u30b3\u30f3\u30c6\u30f3\u30c4\u304b\u3089 active \u3092\u524a\u9664\n                document.querySelectorAll('.converter-tab').forEach(tab => tab.classList.remove('active'));\n                document.querySelectorAll('.converter-content').forEach(content => content.classList.remove('active'));\n                \n                \/\/ \u9078\u629e\u3055\u308c\u305f\u30bf\u30d6\u3068\u30b3\u30f3\u30c6\u30f3\u30c4\u306b active \u3092\u8ffd\u52a0\n                element.classList.add('active');\n                document.getElementById('converter-' + tabId).classList.add('active');\n            };\n            \n            \/\/ \u73fe\u5728\u306eURL\u3092\u30cf\u30a4\u30e9\u30a4\u30c8\n            const currentUrl = window.location.href;\n            const links = document.querySelectorAll('.converter-link');\n            \n            links.forEach(link => {\n                if (link.href === currentUrl) {\n                    link.classList.add('current-page');\n                    \n                    \/\/ \u8a72\u5f53\u3059\u308b\u30bf\u30d6\u3092\u81ea\u52d5\u7684\u306b\u958b\u304f\n                    const parentContent = link.closest('.converter-content');\n                    if (parentContent) {\n                        const tabId = parentContent.id.replace('converter-', '');\n                        const tabs = document.querySelectorAll('.converter-tab');\n                        const tabIndex = ['bin', 'oct', 'dec', 'hex'].indexOf(tabId);\n                        \n                        document.querySelectorAll('.converter-content').forEach(content => content.classList.remove('active'));\n                        document.querySelectorAll('.converter-tab').forEach(tab => tab.classList.remove('active'));\n                        \n                        parentContent.classList.add('active');\n                        if (tabs[tabIndex]) {\n                            tabs[tabIndex].classList.add('active');\n                        }\n                    }\n                }\n            });\n        })();\n    <\/script>\n<\/div>\n\n\n\n<p>\u3053\u306e\u30c4\u30fc\u30eb\u306f\u30010\u30681\u3067\u69cb\u6210\u3055\u308c\u308b\u300c2\u9032\u6570\u300d\u3092\u5165\u529b\u3059\u308b\u3060\u3051\u3067\u3001\u5373\u5ea7\u306b\u300c8\u9032\u6570\u300d\u3078\u3068\u5909\u63db\u3067\u304d\u308bWEB\u30c4\u30fc\u30eb\u3067\u3059\u3002\u8907\u96d1\u306a\u8a08\u7b97\u3092\u3059\u308b\u3053\u3068\u306a\u304f\u3001\u9577\u3044\u30d3\u30c3\u30c8\u5217\u3082\u77ac\u6642\u306b\u51e6\u7406\u3059\u308b\u3053\u3068\u304c\u53ef\u80fd\u3067\u3059\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"i-0\">2\u9032\u6570\u21928\u9032\u6570\u5909\u63db\u30c4\u30fc\u30eb\u3067\u3067\u304d\u308b\u3053\u3068<\/h2>\n\n\n\n<p>\u672c\u30c4\u30fc\u30eb\u306f\u3001\u30c7\u30b8\u30bf\u30eb\u30c7\u30fc\u30bf\u3084\u30d7\u30ed\u30b0\u30e9\u30e0\u306e\u89e3\u6790\u3067\u983b\u7e41\u306b\u5229\u7528\u3055\u308c\u308b2\u9032\u6570\u304b\u30898\u9032\u6570\u3078\u306e\u57fa\u6570\u5909\u63db\u3092\u884c\u3044\u307e\u3059\u3002<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>\u77ac\u6642\u306e\u5909\u63db\u51e6\u7406<\/strong>: 2\u9032\u6570\u3092\u5165\u529b\u3057\u3066\u30dc\u30bf\u30f3\u3092\u62bc\u3059\u3060\u3051\u3067\u3001\u5373\u5ea7\u306b\u7d50\u679c\u3092\u8868\u793a\u3057\u307e\u3059\u3002<\/li>\n\n\n\n<li><strong>\u5de8\u5927\u306a\u6570\u5024\u306b\u5bfe\u5fdc<\/strong>: JavaScript\u306e<code>BigInt<\/code>\u6280\u8853\u3092\u63a1\u7528\u3057\u3066\u3044\u308b\u305f\u3081\u3001\u901a\u5e38\u306e\u8a08\u7b97\u6a5f\u3067\u306f\u30a8\u30e9\u30fc\u306b\u306a\u308b\u3088\u3046\u306a\u9577\u3044\u6841\u6570\u306e2\u9032\u6570\uff0853\u30d3\u30c3\u30c8\u4ee5\u4e0a\uff09\u3082\u6b63\u78ba\u306b\u5909\u63db\u3067\u304d\u307e\u3059\u3002<\/li>\n\n\n\n<li><strong>\u30b9\u30de\u30db\u5bfe\u5fdc<\/strong>: \u30ec\u30b9\u30dd\u30f3\u30b7\u30d6\u8a2d\u8a08\u306b\u3088\u308a\u3001\u5916\u51fa\u5148\u3084\u5b66\u6821\u306e\u8b1b\u7fa9\u4e2d\u306a\u3069\u3001\u30c7\u30d0\u30a4\u30b9\u3092\u554f\u308f\u305a\u30b9\u30e0\u30fc\u30ba\u306b\u5229\u7528\u53ef\u80fd\u3067\u3059\u3002<\/li>\n\n\n\n<li><strong>\u5165\u529b\u30df\u30b9\u9632\u6b62\u6a5f\u80fd<\/strong>: 0\u30681\u4ee5\u5916\u306e\u6570\u5b57\u3084\u6587\u5b57\u304c\u542b\u307e\u308c\u3066\u3044\u308b\u5834\u5408\u306b\u306f\u30a8\u30e9\u30fc\u30e1\u30c3\u30bb\u30fc\u30b8\u3092\u8868\u793a\u3057\u3001\u6b63\u78ba\u306a\u5165\u529b\u3092\u30b5\u30dd\u30fc\u30c8\u3057\u307e\u3059\u3002<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"i-1\">2\u9032\u6570\u30688\u9032\u6570\u306e\u57fa\u790e\u77e5\u8b58<\/h2>\n\n\n\n<p>2\u9032\u6570\uff08Binary\uff09\u30688\u9032\u6570\uff08Octal\uff09\u306f\u3001\u30b3\u30f3\u30d4\u30e5\u30fc\u30bf\u306e\u4e16\u754c\u3067\u5bc6\u63a5\u306b\u95a2\u4fc2\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n\n\n\n<p><strong>2\u9032\u6570\u3068\u306f<\/strong> \u300c0\u300d\u3068\u300c1\u300d\u306e2\u7a2e\u985e\u306e\u6570\u5b57\u306e\u307f\u3092\u4f7f\u3063\u3066\u6570\u5024\u3092\u8868\u73fe\u3059\u308b\u65b9\u6cd5\u3067\u3059\u3002\u30b3\u30f3\u30d4\u30e5\u30fc\u30bf\u5185\u90e8\u306e\u30b9\u30a4\u30c3\u30c1\u306eON\/OFF\u306b\u5bfe\u5fdc\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n\n\n\n<p><strong>8\u9032\u6570\u3068\u306f<\/strong> \u300c0\u300d\u304b\u3089\u300c7\u300d\u307e\u3067\u306e8\u7a2e\u985e\u306e\u6570\u5b57\u3092\u4f7f\u3063\u3066\u6570\u5024\u3092\u8868\u73fe\u3059\u308b\u65b9\u6cd5\u3067\u3059\u3002<\/p>\n\n\n\n<p><strong>\u306a\u305c\u5909\u63db\u304c\u5fc5\u8981\u306a\u306e\u304b\uff1f<\/strong> 2\u9032\u6570\u306f\u6841\u6570\u304c\u975e\u5e38\u306b\u9577\u304f\u306a\u308a\u3084\u3059\u3044\u305f\u3081\u3001\u4eba\u9593\u304c\u8aad\u307f\u53d6\u308b\u306b\u306f\u4e0d\u5411\u304d\u3067\u3059\u3002\u305d\u3053\u3067\u30012\u9032\u6570\u306e3\u6841\u3092\u307e\u3068\u3081\u30668\u9032\u6570\u306e1\u6841\u3068\u3057\u3066\u8868\u73fe\u3059\u308b\u3053\u3068\u3067\u3001\u60c5\u5831\u3092\u77ed\u304f\u3001\u304b\u3064\u6b63\u78ba\u306b\u6271\u3046\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"i-2\">2\u9032\u6570\u304b\u30898\u9032\u6570\u3078\u5909\u63db\u3059\u308b\u65b9\u6cd5\uff08\u8a08\u7b97\u5f0f\uff09<\/h2>\n\n\n\n<p>\u81ea\u5206\u3067\u8a08\u7b97\u3059\u308b\u5834\u5408\u30012\u9032\u6570\u3092\u53f3\u304b\u3089\u300c3\u6841\u305a\u3064\u300d\u533a\u5207\u3063\u3066\u8003\u3048\u308b\u306e\u304c\u57fa\u672c\u3067\u3059\u3002<\/p>\n\n\n\n<ol start=\"1\" class=\"wp-block-list\">\n<li>2\u9032\u6570\u306e\u6570\u5024\u3092\u53f3\uff08\u4e0b\u4f4d\u6841\uff09\u304b\u30893\u6841\u3054\u3068\u306b\u30b0\u30eb\u30fc\u30d7\u5316\u3057\u307e\u3059\u3002<\/li>\n\n\n\n<li>\u5404\u30b0\u30eb\u30fc\u30d7\uff083\u30d3\u30c3\u30c8\uff09\u3092\u3001\u305d\u308c\u305e\u308c8\u9032\u6570\u306e1\u6841\u306b\u5909\u63db\u3057\u307e\u3059\u3002\n<ul class=\"wp-block-list\">\n<li>000 \u2192 0<\/li>\n\n\n\n<li>001 \u2192 1<\/li>\n\n\n\n<li>010 \u2192 2<\/li>\n\n\n\n<li>011 \u2192 3<\/li>\n\n\n\n<li>100 \u2192 4<\/li>\n\n\n\n<li>101 \u2192 5<\/li>\n\n\n\n<li>110 \u2192 6<\/li>\n\n\n\n<li>111 \u2192 7<\/li>\n<\/ul>\n<\/li>\n\n\n\n<li>\u5909\u63db\u3057\u305f\u6570\u5b57\u3092\u4e26\u3079\u308c\u3070\u30018\u9032\u6570\u306e\u5b8c\u6210\u3067\u3059\u3002<\/li>\n<\/ol>\n\n\n\n<p>\u4f8b\u3048\u3070\u30012\u9032\u6570\u306e\u300c101010\u300d\u306f\u3001\u300c101\u300d\u3068\u300c010\u300d\u306b\u5206\u3051\u3089\u308c\u3001\u305d\u308c\u305e\u308c8\u9032\u6570\u306e\u300c5\u300d\u3068\u300c2\u300d\u306b\u306a\u308b\u305f\u3081\u3001\u7d50\u679c\u306f\u300c52\u300d\u3068\u306a\u308a\u307e\u3059\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"i-3\">\u3053\u306e\u30c4\u30fc\u30eb\u304c\u5f79\u7acb\u3064\u30e6\u30fc\u30b9\u30b1\u30fc\u30b9<\/h2>\n\n\n\n<p>\u3053\u306e\u30c4\u30fc\u30eb\u306f\u3001\u4ee5\u4e0b\u306e\u3088\u3046\u306a\u5834\u9762\u3067\u7279\u306b\u4fbf\u5229\u3067\u3059\u3002<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>\u60c5\u5831\u51e6\u7406\u8a66\u9a13\u306e\u5b66\u7fd2<\/strong>: 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id=\"i-4\">\u30c4\u30fc\u30eb\u306e\u4f7f\u3044\u65b9<\/h2>\n\n\n\n<p>\u4f7f\u3044\u65b9\u306f\u975e\u5e38\u306b\u30b7\u30f3\u30d7\u30eb\u3067\u3059\u3002<\/p>\n\n\n\n<ol start=\"1\" class=\"wp-block-list\">\n<li><strong>2\u9032\u6570\u3092\u5165\u529b<\/strong>: \u30c6\u30ad\u30b9\u30c8\u30a8\u30ea\u30a2\u306b\u5909\u63db\u3057\u305f\u30440\u30681\u306e\u6570\u5b57\u3092\u5165\u529b\u3057\u307e\u3059\uff08\u30b9\u30da\u30fc\u30b9\u304c\u5165\u3063\u3066\u3044\u3066\u3082\u81ea\u52d5\u3067\u9664\u53bb\u3055\u308c\u307e\u3059\uff09\u3002<\/li>\n\n\n\n<li><strong>\u5909\u63db\u30dc\u30bf\u30f3\u3092\u30af\u30ea\u30c3\u30af<\/strong>: \u300c\u5909\u63db\u3059\u308b\u300d\u30dc\u30bf\u30f3\u3092\u62bc\u3057\u307e\u3059\u3002<\/li>\n\n\n\n<li><strong>\u7d50\u679c\u3092\u78ba\u8a8d<\/strong>: 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\u3053\u306e\u30c4\u30fc\u30eb\u306f\u30010\u30681\u3067\u69cb\u6210\u3055\u308c\u308b\u300c2\u9032\u6570\u300d\u3092\u5165\u529b\u3059\u308b\u3060\u3051\u3067\u3001\u5373\u5ea7\u306b\u300c8\u9032\u6570\u300d\u3078\u3068\u5909\u63db\u3067\u304d\u308bWEB\u30c4\u30fc\u30eb\u3067\u3059\u3002\u8907\u96d1\u306a\u8a08\u7b97\u3092\u3059\u308b\u3053\u3068\u306a\u304f\u3001\u9577 &#8230; 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