{"id":21,"date":"2026-10-08T10:05:46","date_gmt":"2026-10-08T10:05:46","guid":{"rendered":"https:\/\/dfly.in\/dflymcp\/cover-block-calculator\/"},"modified":"2026-10-08T15:27:27","modified_gmt":"2026-10-08T15:27:27","slug":"cover-block-calculator","status":"publish","type":"page","link":"https:\/\/dfly.in\/dflymcp\/cover-block-calculator\/","title":{"rendered":"Cover Block Calculator"},"content":{"rendered":"\n\t<section class=\"section pm-hero dark\" id=\"section_2001892324\">\n\t\t<div class=\"section-bg fill\" >\n\t\t\t<img loading=\"lazy\" decoding=\"async\" width=\"1020\" height=\"765\" src=\"https:\/\/dfly.in\/dflymcp\/wp-content\/uploads\/2026\/10\/cover-blocks-steel-bars-slab-1024x768.jpg\" class=\"bg attachment-large size-large\" alt=\"Steel bars laid for a concrete slab, ready for cover blocks and concrete\" \/>\t\t\t\t\t\t<div class=\"section-bg-overlay absolute fill\"><\/div>\n\t\t\t\n\n\t\t<\/div>\n\n\t\t\n\n\t\t<div class=\"section-content relative\">\n\t\t\t\n<div class=\"row row-large\"  id=\"row-902442440\">\n\n\t<div id=\"col-10344140\" class=\"col medium-5 small-12 large-5\"  >\n\t\t\t\t<div class=\"col-inner\"  >\n\t\t\t\n\t\t\t\n<nav class=\"pm-crumbs\" aria-label=\"Breadcrumb\"><ol><li><span aria-current=\"page\">Home<\/span><\/li><\/ol><\/nav>\n\t<div id=\"text-3593444966\" class=\"text\">\n\t\t<p class=\"pm-kicker\">Free tool<\/p><h1>Cover Block Quantity Calculator<\/h1><p class=\"pm-lead\">Find out how many cover blocks you need in a few seconds.<\/p><ol class=\"pm-numbered\"><li>Pick slab, beam, column or footing.<\/li><li>Enter the size.<\/li><li>See the count and send it on WhatsApp.<\/li><\/ol>\t\t\t<\/div>\n\t\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\n\t\n\n\t<div id=\"col-64105270\" class=\"col medium-7 small-12 large-7\"  >\n\t\t\t\t<div class=\"col-inner\"  >\n\t\t\t\n\t\t\t\n<div class=\"pm-calc-wrap\">\t\t<form class=\"calc\" id=\"pms-calc\" novalidate>\n\t\t\t<fieldset class=\"calc-work\">\n\t\t\t\t<legend>1. Where will you use the blocks?<\/legend>\n\t\t\t\t<div class=\"chips\">\n\t\t\t\t\t<label><input type=\"radio\" name=\"work\" value=\"slab\" checked> <span>Slab<\/span><\/label>\n\t\t\t\t\t<label><input type=\"radio\" name=\"work\" value=\"beam\"> <span>Beam<\/span><\/label>\n\t\t\t\t\t<label><input type=\"radio\" name=\"work\" value=\"column\"> <span>Column<\/span><\/label>\n\t\t\t\t\t<label><input type=\"radio\" name=\"work\" value=\"footing\"> <span>Footing<\/span><\/label>\n\t\t\t\t<\/div>\n\t\t\t<\/fieldset>\n\n\t\t\t<fieldset>\n\t\t\t\t<legend>2. Enter the size<\/legend>\n\t\t\t\t<div class=\"chips chips-sm\">\n\t\t\t\t\t<label><input type=\"radio\" name=\"unit\" value=\"ft\" checked> <span>Feet<\/span><\/label>\n\t\t\t\t\t<label><input type=\"radio\" name=\"unit\" value=\"m\"> <span>Metres<\/span><\/label>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"calc-grid\">\n\t\t\t\t\t<div class=\"field\">\n\t\t\t\t\t\t<label for=\"calc-length\" data-label-area=\"Length\" data-label-line=\"Length of one beam\" data-label-col=\"Height of one column\">Length<\/label>\n\t\t\t\t\t\t<input id=\"calc-length\" name=\"len\" type=\"number\" inputmode=\"decimal\" min=\"0\" step=\"any\" value=\"30\">\n\t\t\t\t\t<\/div>\n\t\t\t\t\t<div class=\"field\" data-only=\"area\">\n\t\t\t\t\t\t<label for=\"calc-width\">Width<\/label>\n\t\t\t\t\t\t<input id=\"calc-width\" name=\"wid\" type=\"number\" inputmode=\"decimal\" min=\"0\" step=\"any\" value=\"20\">\n\t\t\t\t\t<\/div>\n\t\t\t\t\t<div class=\"field\">\n\t\t\t\t\t\t<label for=\"calc-count\" data-label-slab=\"How many slabs\" data-label-beam=\"How many beams\" data-label-column=\"How many columns\" data-label-footing=\"How many footings\">How many slabs<\/label>\n\t\t\t\t\t\t<input id=\"calc-count\" name=\"qty\" type=\"number\" inputmode=\"numeric\" min=\"1\" step=\"1\" value=\"1\">\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t<\/fieldset>\n\n\t\t\t<details class=\"calc-more\">\n\t\t\t\t<summary>3. Change gap, block size and extra (optional)<\/summary>\n\t\t\t\t<div class=\"calc-grid\">\n\t\t\t\t\t<div class=\"field\">\n\t\t\t\t\t\t<label for=\"calc-gap\">Gap between blocks (<span class=\"u\">ft<\/span>)<\/label>\n\t\t\t\t\t\t<input id=\"calc-gap\" name=\"gap\" type=\"number\" inputmode=\"decimal\" min=\"0.1\" step=\"any\" value=\"2.5\">\n\t\t\t\t\t<\/div>\n\t\t\t\t\t<div class=\"field\">\n\t\t\t\t\t\t<label for=\"calc-per\">Blocks at each point<\/label>\n\t\t\t\t\t\t<input id=\"calc-per\" name=\"per\" type=\"number\" inputmode=\"numeric\" min=\"1\" step=\"1\" value=\"1\">\n\t\t\t\t\t<\/div>\n\t\t\t\t\t<div class=\"field\">\n\t\t\t\t\t\t<label for=\"calc-size\">Cover size<\/label>\n\t\t\t\t\t\t<select id=\"calc-size\" name=\"size\">\n\t\t\t\t\t\t\t<option value=\"15\">15 mm<\/option>\n\t\t\t\t\t\t\t<option value=\"20\" selected>20 mm<\/option>\n\t\t\t\t\t\t\t<option value=\"25\">25 mm<\/option>\n\t\t\t\t\t\t\t<option value=\"30\">30 mm<\/option>\n\t\t\t\t\t\t\t<option value=\"40\">40 mm<\/option>\n\t\t\t\t\t\t\t<option value=\"50\">50 mm<\/option>\n\t\t\t\t\t\t<\/select>\n\t\t\t\t\t<\/div>\n\t\t\t\t\t<div class=\"field\">\n\t\t\t\t\t\t<label for=\"calc-extra\">Extra for breakage (%)<\/label>\n\t\t\t\t\t\t<input id=\"calc-extra\" name=\"extra\" type=\"number\" inputmode=\"numeric\" min=\"0\" max=\"50\" step=\"1\" value=\"5\">\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<p class=\"small\">Gap: the distance between two blocks. A smaller gap means more blocks. Blocks at each point: for example, a column often needs one block on each side.<\/p>\n\t\t\t<\/details>\n\n\t\t\t<div class=\"calc-result\" aria-live=\"polite\">\n\t\t\t\t<p class=\"calc-result-label\">You need about<\/p>\n\t\t\t\t<p class=\"calc-result-num\"><span id=\"calc-total\">0<\/span> <span class=\"calc-result-unit\">cover blocks<\/span><\/p>\n\t\t\t\t<p class=\"calc-result-detail\" id=\"calc-detail\">Enter your size to see the count.<\/p>\n\t\t\t\t<a class=\"btn btn-primary btn-block\" id=\"calc-wa\" href=\"https:\/\/wa.me\/918980802099?text=Hello%20PM%20SPACERS%2C%20I%20want%20a%20price%20for%20cover%20blocks.\" target=\"_blank\" rel=\"noopener\">\n\t\t\t\t\t<svg class=\"ico\" aria-hidden=\"true\" focusable=\"false\" viewBox=\"0 0 24 24\" fill=\"currentColor\"><path d=\"M12 2a10 10 0 0 0-8.6 15.1L2 22l5-1.3A10 10 0 1 0 12 2zm0 18.2a8.2 8.2 0 0 1-4.2-1.2l-.3-.2-3 .8.8-2.9-.2-.3A8.2 8.2 0 1 1 12 20.2zm4.5-6.1c-.2-.1-1.5-.7-1.7-.8-.2-.1-.4-.1-.6.1l-.8 1c-.1.2-.3.2-.5.1a6.7 6.7 0 0 1-3.3-2.9c-.3-.4.2-.4.7-1.4.1-.2 0-.3 0-.4l-.8-1.8c-.2-.5-.4-.4-.6-.4h-.5a1 1 0 0 0-.7.3 3 3 0 0 0-.9 2.2 5.2 5.2 0 0 0 1.1 2.7 11.9 11.9 0 0 0 4.6 4c1.7.7 2.4.8 3.2.7a2.8 2.8 0 0 0 1.8-1.3 2.3 2.3 0 0 0 .2-1.3c-.1-.1-.3-.2-.5-.3z\"\/><\/svg> Send this on WhatsApp for a price\n\t\t\t\t<\/a>\n\t\t\t<\/div>\n\t\t\t<noscript><p class=\"small\">Please turn on JavaScript to use the calculator, or call us and we will count for you.<\/p><\/noscript>\n\t\t<\/form>\n<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\n\t\n<\/div>\n\t\t<\/div>\n\n\t\t\n<style>\n#section_2001892324 {\n  padding-top: 56px;\n  padding-bottom: 56px;\n  background-color: rgb(38, 42, 49);\n}\n#section_2001892324 .section-bg-overlay {\n  background-color: rgba(28, 31, 36, 0.92);\n}\n#section_2001892324 .section-bg img {\n  object-position: 50% 50%;\n}\n@media (min-width:550px) {\n  #section_2001892324 {\n    padding-top: 100px;\n    padding-bottom: 100px;\n  }\n}\n<\/style>\n\t<\/section>\n\t\n\n\t<section class=\"section\" id=\"section_1036353311\">\n\t\t<div class=\"section-bg fill\" >\n\t\t\t\t\t\t\t\t\t\n\t\t\t\n\n\t\t<\/div>\n\n\t\t\n\n\t\t<div class=\"section-content relative\">\n\t\t\t\n<div class=\"row row-large align-middle\"  id=\"row-775614399\">\n\n\t<div id=\"col-1536435498\" class=\"col pm-prose medium-6 small-12 large-6\"  >\n\t\t\t\t<div class=\"col-inner\"  >\n\t\t\t\n\t\t\t\n\t<div id=\"text-4033536727\" class=\"text\">\n\t\t<h2>How the calculator counts<\/h2><p>For a slab or footing, we place blocks in rows and columns. A slab of 30 ft by 20 ft with a 2.5 ft gap has 13 rows and 9 blocks in each row. That is 117 points.<\/p><p>For a beam or column, we count points along the length, then multiply by the blocks at each point.<\/p><p>Last, we add a little extra (5%) for broken pieces.<\/p>\t\t\t<\/div>\n\t\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\n\t\n\n\t<div id=\"col-502786653\" class=\"col medium-6 small-12 large-6\"  >\n\t\t\t\t<div class=\"col-inner\"  >\n\t\t\t\n\t\t\t\n\t<div class=\"img has-hover pm-photo pm-shadow-img x md-x lg-x y md-y lg-y\" id=\"image_1989848365\">\n\t\t\t\t\t\t\t\t<div class=\"img-inner dark\" >\n\t\t\t<img loading=\"lazy\" decoding=\"async\" width=\"677\" height=\"339\" src=\"https:\/\/dfly.in\/dflymcp\/wp-content\/uploads\/2026\/10\/pm-spacers-cover-block-sizes-15mm-to-50mm.jpg\" class=\"attachment-large size-large\" alt=\"PM Spacers round cover blocks with binding wire in sizes 15, 20, 25, 30, 40 and 50 mm\" srcset=\"https:\/\/dfly.in\/dflymcp\/wp-content\/uploads\/2026\/10\/pm-spacers-cover-block-sizes-15mm-to-50mm.jpg 677w, https:\/\/dfly.in\/dflymcp\/wp-content\/uploads\/2026\/10\/pm-spacers-cover-block-sizes-15mm-to-50mm-300x150.jpg 300w\" sizes=\"auto, (max-width: 677px) 100vw, 677px\" \/>\t\t\t\t\t\t\n\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t\n<style>\n#image_1989848365 {\n  width: 100%;\n}\n<\/style>\n\t<\/div>\n\t\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\n\t\n<\/div>\n\t\t<\/div>\n\n\t\t\n<style>\n#section_1036353311 {\n  padding-top: 64px;\n  padding-bottom: 64px;\n}\n@media (min-width:550px) {\n  #section_1036353311 {\n    padding-top: 100px;\n    padding-bottom: 100px;\n  }\n}\n<\/style>\n\t<\/section>\n\t\n\n\t<section class=\"section pmo-contact\" id=\"section_132363260\">\n\t\t<div class=\"section-bg fill\" >\n\t\t\t\t\t\t\t\t\t\n\t\t\t\n\n\t\t<\/div>\n\n\t\t\n\n\t\t<div class=\"section-content relative\">\n\t\t\t\n<div class=\"row\"  id=\"row-1913753483\">\n\n\t<div id=\"col-1864054068\" class=\"col medium-6 small-12 large-6\"  >\n\t\t\t\t<div class=\"col-inner\"  >\n\t\t\t\n\t\t\t\n\t<div id=\"text-2116355645\" class=\"text\">\n\t\t<h2 id=\"enquiry\">Ask for a rate<\/h2><p>Tell us the size, the quantity and where the site is. Fill the form, call, or send a WhatsApp message and we'll come back with the price.<\/p>\t\t\t<\/div>\n\t\n\t\t<address class=\"pm-nap\">\n\t\t\t<p class=\"pm-nap-name\"><strong>Pavan Sales Corporation<\/strong> (PM SPACERS)<\/p>\n\t\t\t\t\t\t\t<p class=\"ic-line\"><svg class=\"ico\" aria-hidden=\"true\" focusable=\"false\" fill=\"none\" stroke=\"currentColor\" stroke-width=\"1.6\" stroke-linecap=\"round\" stroke-linejoin=\"round\" viewBox=\"0 0 24 24\"><path d=\"M12 21s-7-6.2-7-12a7 7 0 0 1 14 0c0 5.8-7 12-7 12z\"\/><circle cx=\"12\" cy=\"9\" r=\"2.5\"\/><\/svg><span>Rajkot, Gujarat<\/span><\/p>\n\t\t\t\t\t\t\t\t\t\t<p class=\"ic-line\"><svg class=\"ico\" aria-hidden=\"true\" focusable=\"false\" fill=\"none\" stroke=\"currentColor\" stroke-width=\"1.6\" stroke-linecap=\"round\" stroke-linejoin=\"round\" viewBox=\"0 0 24 24\"><path d=\"M5 3h4l2 5-3 2a12 12 0 0 0 6 6l2-3 5 2v4a2 2 0 0 1-2 2A18 18 0 0 1 3 5a2 2 0 0 1 2-2\"\/><\/svg><a href=\"tel:+918980802099\">+91 89808 02099<\/a><\/p>\n\t\t\t\t\t\t\t\t\t\t\t<\/address>\n\t\t\t\t\t<a class=\"button pm-btn-wa\" href=\"https:\/\/wa.me\/918980802099?text=Hello%20PM%20SPACERS%2C%20I%20want%20a%20price%20for%20cover%20blocks.\" target=\"_blank\" rel=\"noopener\"><svg class=\"ico\" aria-hidden=\"true\" focusable=\"false\" viewBox=\"0 0 24 24\" fill=\"currentColor\"><path d=\"M12 2a10 10 0 0 0-8.6 15.1L2 22l5-1.3A10 10 0 1 0 12 2zm0 18.2a8.2 8.2 0 0 1-4.2-1.2l-.3-.2-3 .8.8-2.9-.2-.3A8.2 8.2 0 1 1 12 20.2zm4.5-6.1c-.2-.1-1.5-.7-1.7-.8-.2-.1-.4-.1-.6.1l-.8 1c-.1.2-.3.2-.5.1a6.7 6.7 0 0 1-3.3-2.9c-.3-.4.2-.4.7-1.4.1-.2 0-.3 0-.4l-.8-1.8c-.2-.5-.4-.4-.6-.4h-.5a1 1 0 0 0-.7.3 3 3 0 0 0-.9 2.2 5.2 5.2 0 0 0 1.1 2.7 11.9 11.9 0 0 0 4.6 4c1.7.7 2.4.8 3.2.7a2.8 2.8 0 0 0 1.8-1.3 2.3 2.3 0 0 0 .2-1.3c-.1-.1-.3-.2-.5-.3z\"\/><\/svg> <span>Chat on WhatsApp<\/span><\/a>\n\t\t\t\t\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\n\t\n\n\t<div id=\"col-1055966173\" class=\"col pmo-query medium-6 small-12 large-6\"  >\n\t\t\t\t<div class=\"col-inner\"  >\n\t\t\t\n\t\t\t\n<div class=\"pm-form-card\"><form class=\"enquiry-form\" action=\"https:\/\/dfly.in\/dflymcp\/wp-admin\/admin-post.php\" method=\"post\">\n\t\n\t<input type=\"hidden\" name=\"action\" value=\"pms_enquiry\">\n\t<input type=\"hidden\" name=\"pms_t\" value=\"1792740444\">\n\t<input type=\"hidden\" id=\"pms_nonce\" name=\"pms_nonce\" value=\"47c5a23c47\" \/><input type=\"hidden\" name=\"_wp_http_referer\" value=\"\/dflymcp\/wp-json\/wp\/v2\/pages\/21\" \/>\n\t<div class=\"hp\" aria-hidden=\"true\">\n\t\t<label for=\"pms_website\">Leave this empty<\/label>\n\t\t<input type=\"text\" id=\"pms_website\" name=\"pms_website\" tabindex=\"-1\" autocomplete=\"off\">\n\t<\/div>\n\n\t<div class=\"form-grid\">\n\t\t<div class=\"field\">\n\t\t\t<label for=\"pms_name\">Your name <span class=\"req\" aria-hidden=\"true\">*<\/span><\/label>\n\t\t\t<input type=\"text\" id=\"pms_name\" name=\"pms_name\" required autocomplete=\"name\">\n\t\t<\/div>\n\t\t<div class=\"field\">\n\t\t\t<label for=\"pms_phone\">Mobile number <span class=\"req\" aria-hidden=\"true\">*<\/span><\/label>\n\t\t\t<input type=\"tel\" id=\"pms_phone\" name=\"pms_phone\" required inputmode=\"tel\" autocomplete=\"tel\" pattern=\"[0-9 +\\-]{10,15}\">\n\t\t<\/div>\n\t\t<div class=\"field\">\n\t\t\t<label for=\"pms_product\">Product<\/label>\n\t\t\t<select id=\"pms_product\" name=\"pms_product\">\n\t\t\t\t\t\t\t\t\t<option  selected='selected'>Cover Blocks<\/option>\n\t\t\t\t\t\t\t\t\t<option >AAC Block<\/option>\n\t\t\t\t\t\t\t\t\t<option >Glass Fiber Mesh<\/option>\n\t\t\t\t\t\t\t\t\t<option >FRP Manhole Cover<\/option>\n\t\t\t\t\t\t\t\t\t<option >Construction Chemicals<\/option>\n\t\t\t\t\t\t\t\t<option>Other<\/option>\n\t\t\t<\/select>\n\t\t<\/div>\n\t\t<div class=\"field\">\n\t\t\t<label for=\"pms_qty\">Quantity (approx.)<\/label>\n\t\t\t<input type=\"text\" id=\"pms_qty\" name=\"pms_qty\" placeholder=\"For example: 2000 pieces\">\n\t\t<\/div>\n\t\t<div class=\"field field-full\">\n\t\t\t<label for=\"pms_city\">Site city or area<\/label>\n\t\t\t<input type=\"text\" id=\"pms_city\" name=\"pms_city\" autocomplete=\"address-level2\">\n\t\t<\/div>\n\t\t<div class=\"field field-full\">\n\t\t\t<label for=\"pms_message\">Message<\/label>\n\t\t\t<textarea id=\"pms_message\" name=\"pms_message\" rows=\"3\" placeholder=\"Size, delivery date or any other detail\"><\/textarea>\n\t\t<\/div>\n\t<\/div>\n\t<button class=\"btn btn-primary btn-block\" type=\"submit\">Send Enquiry<\/button>\n\t<p class=\"small\">We use your number only to reply to this enquiry.<\/p>\n<\/form>\n<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\n\t\n<\/div>\n\t\t<\/div>\n\n\t\t\n<style>\n#section_132363260 {\n  padding-top: 40px;\n  padding-bottom: 40px;\n}\n@media (min-width:550px) {\n  #section_132363260 {\n    padding-top: 50px;\n    padding-bottom: 50px;\n  }\n}\n<\/style>\n\t<\/section>\n\t\n","protected":false},"excerpt":{"rendered":"","protected":false},"author":1,"featured_media":0,"parent":0,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"page-blank.php","meta":{"pms_tagline":"","pms_specs":"","pms_prices":"","pms_moq":"","pms_seo_title":"Cover Block Quantity Calculator (Free)","pms_meta_desc":"Free cover block calculator. Enter your slab, beam, column or footing size and see how many cover blocks you need. Then get the price on WhatsApp.","pms_original_content":"<!-- wp:html --><!-- \/wp:html -->","footnotes":""},"class_list":["post-21","page","type-page","status-publish","hentry"],"_links":{"self":[{"href":"https:\/\/dfly.in\/dflymcp\/wp-json\/wp\/v2\/pages\/21","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/dfly.in\/dflymcp\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/dfly.in\/dflymcp\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/dfly.in\/dflymcp\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/dfly.in\/dflymcp\/wp-json\/wp\/v2\/comments?post=21"}],"version-history":[{"count":5,"href":"https:\/\/dfly.in\/dflymcp\/wp-json\/wp\/v2\/pages\/21\/revisions"}],"predecessor-version":[{"id":158,"href":"https:\/\/dfly.in\/dflymcp\/wp-json\/wp\/v2\/pages\/21\/revisions\/158"}],"wp:attachment":[{"href":"https:\/\/dfly.in\/dflymcp\/wp-json\/wp\/v2\/media?parent=21"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}