{"id":3497,"date":"2026-06-15T18:02:50","date_gmt":"2026-06-15T16:02:50","guid":{"rendered":"https:\/\/barke.de\/?page_id=3497"},"modified":"2026-09-14T14:39:21","modified_gmt":"2026-09-14T12:39:21","slug":"roi-calculator","status":"publish","type":"page","link":"https:\/\/barke.de\/en\/barke-tools\/roi-calculator\/","title":{"rendered":"ROI Calculator"},"content":{"rendered":"<div id='av-layout-grid-1'  class='av-layout-grid-container av-wqq9-18da47893ece4268ca41eebb2fdad940 entry-content-wrapper main_color av-flex-cells av-break-at-tablet  avia-builder-el-0  el_before_av_section  avia-builder-el-first  barke-hero-divider  container_wrap fullsize'  >\n\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-mq6pfxo9-62edfc254ea15749e4f93555b334667d\">\n.flex_cell.av-mq6pfxo9-62edfc254ea15749e4f93555b334667d{\nvertical-align:top;\nbackground:url(https:\/\/barke.de\/wp-content\/uploads\/2026\/06\/Beratung_hero-scaled.webp) 50% 100% no-repeat scroll #004687;\n}\n.responsive #top #wrap_all .flex_cell.av-mq6pfxo9-62edfc254ea15749e4f93555b334667d{\npadding:5% 5% 12% inherit !important;\n}\n\n@media only screen and (min-width: 768px) and (max-width: 989px){ \n.responsive #top #wrap_all .flex_cell.av-mq6pfxo9-62edfc254ea15749e4f93555b334667d{\npadding:5% 5% 12% 5% !important;\n}\n}\n\n@media only screen and (min-width: 480px) and (max-width: 767px){ \n.responsive #top #wrap_all .flex_cell.av-mq6pfxo9-62edfc254ea15749e4f93555b334667d{\npadding:6% 6% 15% 6% !important;\n}\n}\n\n@media only screen and (max-width: 479px){ \n.responsive #top #wrap_all .flex_cell.av-mq6pfxo9-62edfc254ea15749e4f93555b334667d{\npadding:7% 7% 18% 7% !important;\n}\n}\n<\/style>\n<div class='flex_cell av-mq6pfxo9-62edfc254ea15749e4f93555b334667d av-gridrow-cell av_two_third no_margin  avia-builder-el-1  el_before_av_cell_one_third  avia-builder-el-first  content-align-top avia-full-stretch'  ><div class='flex_cell_inner'><p><br \/>\n\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-mpn4vciq-3cd064be68bfc0c45aabc011a5e88ebf\">\n#top .av_textblock_section.av-mpn4vciq-3cd064be68bfc0c45aabc011a5e88ebf .avia_textblock{\npadding:0 0 10px 0;\ncolor:#ffffff;\n}\n<\/style>\n<section  class='av_textblock_section av-mpn4vciq-3cd064be68bfc0c45aabc011a5e88ebf '   itemscope=\"itemscope\" itemtype=\"https:\/\/schema.org\/CreativeWork\" ><div class='avia_textblock av_inherit_color'  itemprop=\"text\" ><h1>ROI Calculator<\/h1>\n<\/div><\/section><br \/>\n\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-mpv23ymi-8c8f00ba3dce8ee6af183bbb16f41bb3\">\n#top .av_textblock_section.av-mpv23ymi-8c8f00ba3dce8ee6af183bbb16f41bb3 .avia_textblock{\ncolor:#ffffff;\n}\n<\/style>\n<section  class='av_textblock_section av-mpv23ymi-8c8f00ba3dce8ee6af183bbb16f41bb3 '   itemscope=\"itemscope\" itemtype=\"https:\/\/schema.org\/CreativeWork\" ><div class='avia_textblock av_inherit_color'  itemprop=\"text\" ><h4 style=\"color: #ffffff;\">The BARKE Return on Investment Calculator<\/h4>\n<\/div><\/section><\/p>\n<\/div><\/div>\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-mq6pfjrk-96d5c06d8fccf419e995cad79b976eee\">\n.flex_cell.av-mq6pfjrk-96d5c06d8fccf419e995cad79b976eee{\nvertical-align:top;\nbackground:url(https:\/\/barke.de\/wp-content\/uploads\/2026\/06\/Beratung_Banner.webp) 50% 50% no-repeat scroll ;\n}\n<\/style>\n<div class='flex_cell av-mq6pfjrk-96d5c06d8fccf419e995cad79b976eee av-gridrow-cell av_one_third no_margin av-hide-on-mobile  avia-builder-el-5  el_after_av_cell_two_third  avia-builder-el-last  content-align-top avia-full-stretch'  ><div class='flex_cell_inner'><\/div><\/div>\n<\/div>\n<p>\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-1cpyl-488d59fc99f46fdf41341684726db03f\">\n.avia-section.av-1cpyl-488d59fc99f46fdf41341684726db03f{\nmargin-top:50px;\nmargin-bottom:0px;\n}\n<\/style>\n<div id='av_section_1' 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itemtype=\"https:\/\/schema.org\/CreativeWork\" ><div class='avia_textblock barke-beratung-form'  itemprop=\"text\" ><h2>How much can you save each year with reversible knives?<\/h2>\n<p>Enter four values and see your savings in euros instantly.*<span style=\"color: #ec6709;\">*<\/span><\/p>\n<\/div><\/section><br \/>\n\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-mpvaels5-37f827b5b6721044515459fb576e7d37\">\n#top .hr.hr-invisible.av-mpvaels5-37f827b5b6721044515459fb576e7d37{\nheight:30px;\n}\n<\/style>\n<div  class='hr av-mpvaels5-37f827b5b6721044515459fb576e7d37 hr-invisible  avia-builder-el-9  el_after_av_textblock  el_before_av_textblock '><span class='hr-inner '><span class=\"hr-inner-style\"><\/span><\/span><\/div><br \/>\n<section  class='av_textblock_section av-4snzap-665376e11c48d3a7c199fc0e2a151ffe '   itemscope=\"itemscope\" itemtype=\"https:\/\/schema.org\/CreativeWork\" ><div class='avia_textblock barke-beratung-form'  itemprop=\"text\" >\t\t<div class=\"barke-tool barke-roi-form\">\n\t\t\t\n\t\t\t\t\t\t\t<div class=\"barke-note\">This calculator compares solid planer knives with reversible knives only. Calculations are based on BARKE unit prices for 410 mm knives, adjusted proportionally for other lengths. For other systems (e.g. Tersa, CentroLock) please use our online knife consultation service.<\/div>\n\t\t\t\n\t\t\t<div class=\"barke-field\">\n\t\t\t\t<label class=\"barke-label\">Knife length<\/label>\n\t\t\t\t<div class=\"barke-chips\" id=\"barke-roi-chips\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<button type=\"button\" class=\"barke-chip selected\" data-mm=\"180\">180 mm<\/button>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<button type=\"button\" class=\"barke-chip\" data-mm=\"410\">410 mm<\/button>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<button type=\"button\" class=\"barke-chip\" data-mm=\"530\">530 mm<\/button>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<button type=\"button\" class=\"barke-chip\" data-mm=\"640\">640 mm<\/button>\n\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<input type=\"number\" id=\"barke-roi-laenge\" class=\"barke-input\" value=\"180\" min=\"50\" max=\"2000\">\n\t\t\t<\/div>\n\n\t\t\t<div class=\"barke-grid\">\n\t\t\t\t<div class=\"barke-field-card\">\n\t\t\t\t\t<label class=\"barke-label\">Knives per cutterhead<\/label>\n\t\t\t\t\t<input type=\"number\" id=\"barke-roi-messer\" class=\"barke-input\" value=\"4\" min=\"2\" max=\"12\">\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"barke-field-card\">\n\t\t\t\t\t<label class=\"barke-label\">Knife-change interval<\/label>\n\t\t\t\t\t<select id=\"barke-roi-intervall\" class=\"barke-input\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t<option value=\"1\">Weekly<\/option>\n\t\t\t\t\t\t\t\t\t\t\t\t\t<option value=\"2\" selected='selected'>Every 2 weeks<\/option>\n\t\t\t\t\t\t\t\t\t\t\t\t\t<option value=\"4\">Monthly<\/option>\n\t\t\t\t\t\t\t\t\t\t\t\t\t<option value=\"7\">Every 6\u20138 weeks<\/option>\n\t\t\t\t\t\t\t\t\t\t\t<\/select>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"barke-field-card\">\n\t\t\t\t\t<label class=\"barke-label\">Workshop hourly labour rate (\u20ac)<\/label>\n\t\t\t\t\t<input type=\"number\" id=\"barke-roi-stundenlohn\" class=\"barke-input\" value=\"60\" min=\"20\" max=\"200\">\n\t\t\t\t\t<p class=\"barke-hint\">Used to calculate the savings from reduced changeover time, assuming a 20-minute savings per knife change with reversible knives.<\/p>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"barke-field-card\">\n\t\t\t\t\t<label class=\"barke-label\">BARKE tool life advantage<\/label>\n\t\t\t\t\t<div class=\"barke-slider-value\" id=\"barke-roi-faktor-display\">1.4\u00d7<\/div>\n\t\t\t\t\t<input type=\"range\" id=\"barke-roi-faktor\" class=\"barke-range\"\n\t\t\t\t\t\tmin=\"1.3\"\n\t\t\t\t\t\tmax=\"2.0\"\n\t\t\t\t\t\tstep=\"0.1\"\n\t\t\t\t\t\tvalue=\"1.4\">\n\t\t\t\t\t<div class=\"barke-slider-labels\">\n\t\t\t\t\t\t<span>1.3\u00d7<\/span>\n\t\t\t\t\t\t<span>2.0\u00d7<\/span>\n\t\t\t\t\t<\/div>\n\t\t\t\t\t<p class=\"barke-hint\">Default: a conservative value from experience. Many customers report a factor of 1.5\u20132.0\u00d7.<\/p>\n\t\t\t\t<\/div>\n\t\t\t<\/div>\n\n\t\t\t<!-- Aufklappbare Berechnungsgrundlage -->\n\t\t\t<div class=\"barke-disclosure\" id=\"barke-roi-disclosure\">\n\t\t\t\t<button type=\"button\" class=\"barke-disclosure-toggle\">\n\t\t\t\t\t<span>Calculation breakdown \u2014 example: full cycle for 410 mm knives (fixed values)<\/span>\n\t\t\t\t\t<span class=\"barke-chev\">\u25be<\/span>\n\t\t\t\t<\/button>\n\t\t\t\t<div class=\"barke-disclosure-body\">\n\t\t\t\t\t\t\t\t\t\t<table class=\"barke-price-table\">\n\t\t\t\t\t\t<caption>Solid planer knives<\/caption>\n\t\t\t\t\t\t<thead><tr><th>Item<\/th><th>Unit price<\/th><th>Quantity<\/th><th>Total<\/th><\/tr><\/thead>\n\t\t\t\t\t\t<tbody>\n\t\t\t\t\t\t\t<tr><td>New solid planer knives<\/td><td class=\"num\">\u20ac30.61<\/td><td class=\"num\">4 pcs<\/td><td class=\"num\">\u20ac122.44<\/td><\/tr>\n\t\t\t\t\t\t\t<tr><td>Regrinding<\/td><td class=\"num\">\u20ac5.82<\/td><td class=\"num\">52 \u00d7<\/td><td class=\"num\">\u20ac302.64<\/td><\/tr>\n\t\t\t\t\t\t\t<tr class=\"barke-row-sum barke-row-sum-neutral\"><td>Full cycle, solid planer knives<\/td><td><\/td><td><\/td><td class=\"num\">\u20ac425.08<\/td><\/tr>\n\t\t\t\t\t\t<\/tbody>\n\t\t\t\t\t<\/table>\n\t\t\t\t\t<table class=\"barke-price-table\">\n\t\t\t\t\t\t<caption>Standard reversible knives<\/caption>\n\t\t\t\t\t\t<thead><tr><th>Item<\/th><th>Unit price<\/th><th>Quantity<\/th><th>Total<\/th><\/tr><\/thead>\n\t\t\t\t\t\t<tbody>\n\t\t\t\t\t\t\t<tr><td>Initial set (carriers incl. knives)<\/td><td class=\"num\">\u20ac22.97<\/td><td class=\"num\">4 pcs<\/td><td class=\"num\">\u20ac91.88<\/td><\/tr>\n\t\t\t\t\t\t\t<tr><td>Replacement reversible knives, without carriers<\/td><td class=\"num\">\u20ac8.63<\/td><td class=\"num\">24 \u00d7<\/td><td class=\"num\">\u20ac207.12<\/td><\/tr>\n\t\t\t\t\t\t\t<tr class=\"barke-row-sum\"><td>Full cycle, reversible knives<\/td><td><\/td><td><\/td><td class=\"num\">\u20ac299.00<\/td><\/tr>\n\t\t\t\t\t\t<\/tbody>\n\t\t\t\t\t<\/table>\n\t\t\t\t\t<div class=\"barke-material-box\">\n\t\t\t\t\t\t<div class=\"barke-material-label\">Material savings \u2014 full cycle<\/div>\n\t\t\t\t\t\t<div class=\"barke-material-value\">\u20ac126.08<\/div>\n\t\t\t\t\t\t<div class=\"barke-material-sub\">per cutterhead and full cycle, with the same number of cutting edges. Lower cost from the very first knife change.<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t\t\t<p class=\"barke-folge-hint\"><strong>Note on ongoing costs:<\/strong> \u20ac14.34<\/p>\n\t\t\t\t<\/div>\n\t\t\t<\/div>\n\n\t\t\t<!-- Ergebnis (BARKE-Blau) -->\n\t\t\t<div class=\"barke-result\">\n\t\t\t\t<div class=\"barke-result-label\">Your annual savings<\/div>\n\t\t\t\t<div class=\"barke-result-value\" id=\"barke-roi-ersparnis\">\u2013<\/div>\n\t\t\t\t<div class=\"barke-result-sub\" id=\"barke-roi-sub\"><\/div>\n\n\t\t\t\t<div class=\"barke-bars\">\n\t\t\t\t\t<div class=\"barke-bar-item\">\n\t\t\t\t\t\t<div class=\"barke-bar-value\" id=\"barke-roi-ist-val\">\u2013<\/div>\n\t\t\t\t\t\t<div class=\"barke-bar ist\" id=\"barke-roi-ist-bar\"><\/div>\n\t\t\t\t\t\t<div class=\"barke-bar-label\">Solid planer knives<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t\t<div class=\"barke-bar-item\">\n\t\t\t\t\t\t<div class=\"barke-bar-value\" id=\"barke-roi-soll-val\">\u2013<\/div>\n\t\t\t\t\t\t<div class=\"barke-bar soll\" id=\"barke-roi-soll-bar\"><\/div>\n\t\t\t\t\t\t<div class=\"barke-bar-label\">With reversible knives<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\n\t\t\t\t<div class=\"barke-cta-row\">\n\t\t\t\t\t<a class=\"avia-button avia-icon_select-no avia-color-theme-color avia-position-center avia-size-large\" href=\"\/en\/knife-consultation\/\"><span class=\"avia_iconbox_title\">Request a conversion now<\/span><\/a>\n\t\t\t\t<\/div>\n\t\t\t<\/div>\n\n\t\t\t<p class=\"barke-disclaimer\">\n\t\t\t\t* Calculated using actual BARKE unit prices (2026). The stated tool life advantages (30\u201350%) are based on experience from customer surveys and internal comparative tests. Actual tool life is affected by wood species, feed speed, machine condition and cutting hardness. Assumed changeover time: 30 min for solid planer knives and 10 min for reversible knives. Your individual savings may vary.\t\t\t<\/p>\n\t\t<\/div>\n\t\t\n<\/div><\/section><\/p><\/div>\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-1uk3v5-f3bb55cc7f4502d866e510747d6acf9e\">\n#top .hr.hr-invisible.av-1uk3v5-f3bb55cc7f4502d866e510747d6acf9e{\nheight:30px;\n}\n<\/style>\n<div  class='hr av-1uk3v5-f3bb55cc7f4502d866e510747d6acf9e hr-invisible  avia-builder-el-11  el_after_av_four_fifth  avia-builder-el-last '><span class='hr-inner '><span class=\"hr-inner-style\"><\/span><\/span><\/div>\n[av_section min_height='' min_height_pc='25' min_height_px='500px' shadow='no-border-styling' bottom_border='no-border-styling' bottom_border_diagonal_color='#333333' bottom_border_diagonal_direction='' bottom_border_style='' padding='large' custom_margin='0px' custom_margin_sync='true' av-desktop-custom_margin='' av-desktop-custom_margin_sync='true' av-medium-custom_margin='' av-medium-custom_margin_sync='true' av-small-custom_margin='' 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