Full Concrete Project Estimator<\/a> rolls materials, delivery, and labour into one number.<\/p>\n\n\n\nFrequently asked questions<\/h2>\n\n\n\nAt what volume does ready-mix become cheaper than bags?<\/h3>\n\n\n\n
The crossover point is typically 0.75\u20131.25 cubic yards (0.57\u20130.95 m\u00b3) in most US markets when you include short-load fees and labour. In markets with high retail bag prices (UK, Australia), ready-mix becomes competitive even below 0.5 m\u00b3. Short-load fees push the crossover point higher \u2014 the heavier the penalty, the more bags make sense for mid-range volumes of 1\u20132 yd\u00b3.<\/p>\n\n\n\n
How many 60 lb bags equal a yard of concrete?<\/h3>\n\n\n\n
Approximately 45 bags at the standard yield of 0.45 cu ft per bag. If you’re mixing by hand rather than with a mechanical mixer, budget 50 bags (about 11% extra) to account for uneven water addition and mixing losses. For 80 lb bags, the equivalent is approximately 34 bags per cubic yard.<\/p>\n\n\n\n
Does bagged concrete have the same strength as ready-mix?<\/h3>\n\n\n\n
Standard general-purpose bagged concrete mixes (e.g. Quikrete 5000, Sakrete High Strength) are rated at 4,000\u20135,000 PSI \/ 27\u201334 MPa at 28 days, which meets or exceeds the 3,000 PSI \/ 20 MPa minimum for residential driveways and footings. Where bagged mixes fall short is in specialty applications: air entrainment for freeze-thaw resistance, low-shrinkage mixes, and high-early-strength formulations are difficult to achieve reliably from bags.<\/p>\n\n\n\n
Is it worth renting a concrete mixer for a small job?<\/h3>\n\n\n\n
Yes, above 15 bags (roughly 0.33 yd\u00b3 \/ 0.25 m\u00b3). Mixer rental runs $50\u2013$85\/day from most tool hire companies. The labour time savings more than justify the cost, and mechanical mixing produces a more consistent water-cement ratio than hand mixing \u2014 which directly affects final strength. Don’t mix more than 2\u20133 bags at a time in a standard 3.5 cu ft drum mixer.<\/p>\n\n\n\n
What does a short-load fee typically cost?<\/h3>\n\n\n\n
Short-load fees vary by plant, but typical structures in the US charge $40\u2013$75 per cubic yard under the minimum order. A plant with a 6 yd\u00b3 minimum and a $60\/yd\u00b3 short-load rate will add $240 to a 2 yd\u00b3 order. Some plants charge a flat short-load fee of $100\u2013$200 regardless of how far below the minimum you are. Always confirm the exact fee structure before ordering.<\/p>\n","protected":false},"excerpt":{"rendered":"
Ready-mix concrete is cheaper per cubic yard once you cross approximately 1 cubic yard (0.76 m\u00b3) of material \u2014 but that threshold shifts depending on local delivery fees, short-load surcharges, and your labour costs. Below that volume, bagged concrete is typically the lower total-cost option when all factors are included. Neither answer applies universally; the […]<\/p>\n","protected":false},"author":1,"featured_media":20,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[7],"tags":[],"class_list":["post-105","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-concrete-project-planning"],"_links":{"self":[{"href":"https:\/\/allconcretecalculator.com\/guides\/wp-json\/wp\/v2\/posts\/105","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/allconcretecalculator.com\/guides\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/allconcretecalculator.com\/guides\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/allconcretecalculator.com\/guides\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/allconcretecalculator.com\/guides\/wp-json\/wp\/v2\/comments?post=105"}],"version-history":[{"count":1,"href":"https:\/\/allconcretecalculator.com\/guides\/wp-json\/wp\/v2\/posts\/105\/revisions"}],"predecessor-version":[{"id":109,"href":"https:\/\/allconcretecalculator.com\/guides\/wp-json\/wp\/v2\/posts\/105\/revisions\/109"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/allconcretecalculator.com\/guides\/wp-json\/wp\/v2\/media\/20"}],"wp:attachment":[{"href":"https:\/\/allconcretecalculator.com\/guides\/wp-json\/wp\/v2\/media?parent=105"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/allconcretecalculator.com\/guides\/wp-json\/wp\/v2\/categories?post=105"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/allconcretecalculator.com\/guides\/wp-json\/wp\/v2\/tags?post=105"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}