Introduction
Rebar is one of the cheapest parts of a foundation by material cost — and one of the most expensive to get wrong, because a shortage stalls the pour and surplus steel rusts in the yard. Pricing it means combining three numbers: the weight of steel you need, the price per unit of weight your supplier charges, and the labor to tie and place it. The Foundation Rebar Calculator gives you the first number — total weight from your footing dimensions and bar layout — and this guide turns that weight into a budget: how rebar is priced, what each bar size costs, what delivery and tying add, and where waste and ordering choices move the total.
For the estimating math behind the weight figure, see the estimating guide; for the materials themselves, the material guide covers grades and coatings that affect price.
How Rebar Is Priced
Rebar is a commodity steel product, so prices move with the steel market and are quoted in bulk weight units:
- Per ton / per tonne. The standard bulk quote for full bundles — “rebar at $X per ton” is how suppliers think. In the US, quotes use the short ton (2,000 lb); metric markets use the metric tonne (1,000 kg).
- Per pound / per kilogram. Retail and cut-to-length pricing. Expect a premium of 30–100% over the per-ton bulk rate for small quantities, cutting services, and bending.
- Per stick (per bar). Common at retail yards for 20-ft (6.1 m) sticks. A per-stick price is convenient but hides the weight — convert to per-pound to compare suppliers fairly.
- Epoxy-coated and specialty premium. Epoxy-coated bar typically costs 15–30% more than plain black bar of the same size, and galvanized or stainless costs substantially more.
Prices vary by region, supplier, and quantity, and they track steel commodity prices — so treat any number in this guide as a method illustration, not a current quote. Always get two or three written quotes for your actual order.
Price by Bar Size: A Worked Comparison
The table below uses a fixed illustrative price — $1,400 per short ton ($0.70/lb) for plain black Grade 60 bar — to show how size changes the cost of a fixed length. Your supplier’s per-ton figure will differ; the math is the same:
| Bar size | Weight per 20-ft stick | Illustrative cost per stick | Illustrative cost per 100 ft |
|---|---|---|---|
| #3 | 7.52 lb (3.41 kg) | $5.26 | $26.32 |
| #4 | 13.36 lb (6.06 kg) | $9.35 | $46.76 |
| #5 | 20.86 lb (9.46 kg) | $14.60 | $73.01 |
| #6 | 30.04 lb (13.63 kg) | $21.03 | $105.14 |
| #7 | 40.88 lb (18.55 kg) | $28.62 | $143.08 |
| #8 | 53.40 lb (24.22 kg) | $37.38 | $186.90 |
The math behind each row: stick weight = 20 ft × lb/ft (e.g., #5: 20 × 1.043 = 20.86 lb); cost = weight × $0.70/lb. Two things to notice: larger bars cost more per foot but fewer of them are needed for the same steel area — switching a design from 3 #5 bars to 2 #6 bars is roughly cost-neutral on steel weight — and coating premiums apply on top of these figures.
The Full Cost Stack: Material + Delivery + Labor
The steel itself is only part of the budget. A realistic rebar budget has five lines:
1. Bar material
Total order weight × supplier’s unit price. This is where the calculator output plugs in directly: if the estimate says 900 lb (408 kg), at $0.70/lb the material is $630.
2. Cutting, bending, and fabrication
Suppliers charge per cut and per bend — or a flat fabrication fee per ton — for pre-cut and pre-bent pieces (stirrups, hooks, corner bars). Pre-bent stirrups typically cost a few dollars each. If you bend on site, you trade this fee for labor time and a bending tool.
3. Delivery
A flat truck charge, often $50–$150 for local delivery in the US, sometimes waived above a minimum order. 20-ft sticks need a flatbed or a long-bed truck; deliveries to tight residential sites may carry a surcharge. Check whether your supplier’s minimum applies.
4. Tying labor
Steel placement labor is usually priced per ton (material weight basis) or per hour. As a planning range, residential footing tying commonly lands in the low hundreds of dollars per ton of steel placed, varying widely by region, complexity, and whether the crew is already on site for the pour. For DIY, this is the line you save — see the DIY vs pro guide.
5. Accessories
Often forgotten in budgets: tie wire, bar chairs or dobies (concrete blocks) to hold steel off the soil, and splicing consumables. Budget roughly 5–10% of the bar material cost for accessories on a typical footing job.
Worked Budget Example
Take the 40-ft (12.2 m) strip footing from the complete guide, which estimated 176 lb (80 kg) of steel with waste. Budget it at the illustrative $0.70/lb black bar rate:
- Bar material: 176 lb × $0.70/lb = $123.20
- Accessories (8%): $123.20 × 0.08 = $9.86
- Delivery (flat): $75.00 (illustrative)
- Tying labor (DIY): $0 — owner ties the steel
- Total: $208.06
Notice how delivery dominates small orders: on 176 lb of steel, the $75 truck charge is more than half the material cost. The cheapest way to cut rebar costs on small jobs is to combine deliveries — order all foundation steel, mesh for the slab, and any extras on one ticket.
Scale it up to illustrate the labor line: a 200-ft footing run estimating 950 lb (431 kg) of steel at $0.70/lb = $665 material + $53 accessories + $75 delivery + tying labor at an illustrative $350/ton × 0.475 ton = $166.25 → total roughly $959. These are method illustrations — your quotes will differ.
Where the Money Goes: Cost Drivers
- Quantity breaks. Per-ton pricing rewards full-bundle orders; retail stick pricing penalizes small ones. If you’re close to a bundle break, rounding the order up can lower the unit price.
- Lap splices. Every splice is steel you pay for but that adds no strength — minimizing splice count (longer sticks, longer continuous runs) is a real, if modest, saving.
- Coating choice. Epoxy coating adds 15–30%; only specify it when the soil or code calls for it — see the material guide.
- Waste discipline. The 5–10% waste allowance is money; accurate cutting and reusing offcuts for ties and spacers keeps it at the low end.
- Delivery consolidation. One delivery for steel, concrete, and lumber beats three trucks.
- Tie-wire technique. Over-tying wastes wire and time; every intersection doesn’t need a tie — the pro tips guide covers the pattern that holds without waste.
Common Cost Mistakes
- Budgeting bars but not labor or delivery. Material is often less than half the installed cost on small jobs.
- Comparing suppliers on per-stick prices. Convert every quote to a common unit — $/lb or $/kg — before comparing.
- Ordering coated bar “to be safe.” The epoxy premium is real money for no benefit in ordinary soils.
- Ignoring minimums. Some yards have minimum order or delivery minimums that make a second small order expensive — plan the full cut list first.
- Steel price timing. Rebar tracks commodity steel; on large projects, locking a quote (most quotes hold 15–30 days) protects the budget.
More estimating-side errors are catalogued in the common mistakes guide.
Related Guides
- FAQ — quick answers to the most asked questions.
- Estimating Guide — step-by-step measurement and counting workflow.
- Formula Explained — the math behind bar counts, laps, and weight.
- DIY vs Pro — when to tie steel yourself and when to hire.
- Material Guide — grades, coatings, and accessories.
Get Your Number, Then Price It
Rebar budgeting is a two-step process: first get an accurate weight from the Foundation Rebar Calculator — runs, laps, and transverse steel included — then price that weight with two or three supplier quotes converted to a common $/lb or $/kg figure, and add delivery, accessories, and tying labor. The steel is usually the smallest line on the installed-cost stack, so get the quantity right and let the quotes compete on the rest.
Open the Foundation Rebar Calculator
Disclaimer: Calculator results are planning estimates based on the dimensions and layout you enter. Prices in this guide are illustrative methods, not current market quotes — actual costs vary with steel markets, suppliers, and region. Verify quantities with your supplier, have structural designs reviewed by a qualified engineer, and check your local building code before ordering or installing.
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