Concrete calculator

Concrete weight calculator

Concrete weight calculator publishes formula CONC-WT-001 version 1.0.0.

By Feroz Shiekh · Formula CONC-WT-001 v1.0.0 · Internal QA complete · Planning only — not a supplier quote

FormulaCONC-WT-001v1.0.0

Project inputs

Enter field measurements. Imperial lengths take feet and inches. Unit conversion happens before the reviewed formula is applied.

Concrete volumeyd³Volume in cubic yards (imperial) or cubic metres (metric)Densitylb / ft³Normalweight concrete is often planned at 150 lb/ft³ (2,400 kg/m³). Type pcf or kg/m³ to match the unit toggle

All values can be refined when you edit the estimate. This tool does not replace field verification or local requirements.

Calculated result

6.08tons

Concrete weight

FormulaCONC-WT-001

tons = yd³ × density (lb/ft³) × 27 ÷ 2,000

3 yd³

Volume

150 lb / ft³

Planning density

5.51 t

Tonnes

Concrete weight calculator publishes formula CONC-WT-001 version 1.0.0. Concrete weight calculator for tons from a stated volume and an editable density. Waste, rounding and the rate you type stay on the sheet so a quote letter can still explain the number. Add the line to an estimate. Planning takeoff only — not a code approval and not a live supplier price.

Formula CONC-WT-001 version 1.0.0 is the arithmetic on this concrete weight calculator page and on the quote letter.
Concrete takeoff: Concrete tons from a stated volume and an editable density. Ready-mix yards stay the slab tool. Waste and purchase rounding stay visible inputs, not hidden constants.
Add the concrete weight calculator result to an estimate, then send a quote letter — an old letter still explains itself.
You type the unit rate. Construclytic does not fetch supplier prices for this concrete tool.
Planning takeoff only. The concrete weight calculator is not a code approval, mix design, or PE stamp.

Transparent cost view

No dummy crew rates. Totals stay at zero until you type a material or labour rate. Pick a currency — badges, inputs, and totals follow.

Costs use the unit rate you type. Construclytic does not connect to a supplier API. Indicative 2026 US ready-mix often lands around $125–165 per cubic yard delivered; place-and-finish commonly $2–4 per square foot. Replace every rate with a plant or crew quote before you send the letter. Qatar and GCC planning: switch the currency control to QAR, AED, SAR, KWD, OMR or BHD. Construclytic does not publish a live Gulf plant or labour index. Plant, block and crew rates in Doha, Dubai and Riyadh vary by plant and season — replace every number with a local quote.

View estimate Quote / invoice Add another item

Embed this calculator

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Paste on a contractor site or blog. The iframe is a planning takeoff, not a bid.

How this calculator works

A transparent concrete weight takeoff.

Feroz ShiekhWritten by Feroz Shiekh · founderFormula CONC-WT-001 v1.0.0 reviewed Aug 31, 2026. Planning tool — not engineering advice.

Tons equal cubic yards times density in lb/ft³ times 27, divided by 2,000. Metric uses kg/m³ into tonnes.

CONC-WT-001 weighs a volume you already have: tons = yd³ × density (lb/ft³) × 27 ÷ 2,000. It does not replace the slab calculator’s ready-mix order. 150 lb/ft³ is a normalweight planning density, not a mix design.

Worked example. Example: 3 yd³ at 150 lb/ft³ weighs 6.08 tons.

1. Start from a volume you already calculated on the slab or footing page.
2. 150 lb/ft³ is normalweight planning concrete. Lightweight and heavyweight mixes differ.
3. This is mass, not a ready-mix order.

Field notes that change the number

Start from a volume you already calculated on the slab, footing or sonotube page.
150 lb/ft³ is normalweight planning concrete. Lightweight and heavyweight mixes differ.
In metric, type kg/m³ (about 2,400 for normalweight) or leave 150 to keep pcf.

Common mistakes

Using this page as a ready-mix order.
Leaving 150 in place when you meant 2,400 kg/m³ and also changing other inputs without noticing the unit toggle.
Treating the tons as a structural dead-load stamp.

Need the broader workflow? Read the concrete planning guide.

Questions

Questions about concrete weight

Does this replace the slab calculator?

No. Slab returns yards and bags. This page weighs a volume you already have.

Is 150 lb per cubic foot always right?

It is a common normalweight planning density. Replace it with the mix the plant will send.

What is the formula ID?

This concrete weight calculator publishes formula CONC-WT-001, version 1.0.0. The ID stays on the result and on the estimate line.

Is this engineering advice?

No. The concrete weight calculator is a planning takeoff. Construclytic is not a registered engineering or contracting firm. Field checks, codes and product data still sit with you.

Does Construclytic fetch live supplier prices?

No. Costs on the concrete weight calculator use the rate you enter. Construclytic does not fetch live supplier prices.