Asphalt Tonnage Calculator
Calculate how many tons of asphalt you need for any paving job. Enter your dimensions and depth — get your tonnage and recommended order quantity instantly.
Calculate Asphalt Tonnage
Quick presets
How Asphalt Tonnage is Calculated
The formula is straightforward — but the details matter.
Tons = (Area in sq ft × Depth in feet × 145 lbs/cu ft) ÷ 2,000
- 145 lbs/cu ft is the standard density for hot-mix asphalt (HMA). Dense-graded mixes typically range 140–150 lbs/cu ft.
- Depth in feet — convert inches to feet by dividing by 12. A 2" lift = 0.167 ft.
- 2,000 lbs per ton (short ton, used in the US and Canada).
Why add 10% overage?
Always order more than your calculated need. Asphalt compacts during rolling — typically 10–15% volume reduction. You'll also lose material at irregular edges, curves, and truck tailgate. Running short mid-job is an expensive problem: you pay a second delivery fee and risk a cold joint if the plant load takes too long.
Depth guidelines by job type
| Job Type | Recommended Depth |
|---|---|
| Thin overlay / crack repair | 1.5" |
| Residential driveway overlay | 2" |
| Residential driveway full-depth | 3–4" |
| Light commercial parking lot | 2.5–3" |
| Standard commercial parking lot | 3–4" |
| Heavy truck / industrial | 4–6"+ |
Turn Your Tonnage Into a Signed Proposal
Once you know your tonnage, you need to price it, propose it, and win it. PaveDesk connects your estimates to professional proposals, e-signature, and invoicing — all in one place.
Build line-item estimates
Price tonnage, labor, and equipment as separate line items. Add optional services clients can accept themselves.
Send proposals with e-signature
Deliver a branded proposal through a client portal. Clients sign on any device — no printing required.
Invoice from the same job
When the work is done, generate the invoice in one click. No re-entering data.
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Start FreeFrequently Asked Questions
How many tons of asphalt do I need per square foot?▼
At 2" depth: approximately 0.025 tons per sq ft (1 ton covers about 40 sq ft). At 3" depth: approximately 0.036 tons per sq ft (1 ton covers about 27 sq ft). Use the calculator above for exact numbers.
How many tons of asphalt fit in a standard dump truck?▼
A standard tandem dump truck holds 15–20 tons. A tri-axle or quad-axle truck holds 20–25 tons. Always confirm with your asphalt plant — load size varies by truck configuration and local weight limits.
What is asphalt density in lbs per cubic foot?▼
Standard hot-mix asphalt (HMA) is approximately 145 lbs per cubic foot. Dense-graded mixes range from 140–150 lbs/cu ft depending on aggregate type and binder content. Confirm the spec with your plant for critical jobs.
How much does a ton of asphalt cover?▼
At 1" depth: 1 ton covers approximately 80 sq ft. At 2" depth: approximately 40 sq ft per ton. At 3" depth: approximately 27 sq ft per ton. The thicker the lift, the less area per ton.
Should I add a waste factor to my tonnage calculation?▼
Yes — always add 10% for residential jobs, 5–8% for large flat commercial lots. You lose material to compaction, irregular edges, curves, and truck tailgate. Running short mid-pour is expensive and causes cold joints.