Patio Concreto Estimador

Calculadora de patio de concreto

Estimate a patio from square feet or dimensions, then move beyond yardage into bag count, ready-mix material cost, backyard access, drainage slope, finish scope, and quote checks before you approve a patio bid.

12x12 answer

1.96 yd3 with 10% waste, or about 89 common 80 lb bags.

20x20 trigger

5.43 yd3 with waste, usually a ready-mix or placement quote.

Cotizacion scope

Check base, slope, finish, access, joints, cleanup, and exclusions.

Enter Patio Size

Guarda esta estimacion o descarga un reporte PDF

El reporte PDF usa el resultado calculado actual. Guarda la estimacion primero cuando quieras reutilizar los datos despues.

Resultados

Estimacion en vivo

Volumen de concreto

1.9556 yd³

52.8 ft³ / 1.4951 m³

Bolsas necesarias

88 bolsas

Redondeado a bolsas enteras

Costo estimado

$440.00

Basado en el precio por bolsa

Desperdicio

10%

Incluido en el volumen total

Estimacion de concreto en yardas

Tu estimacion de 1.9556 yd3 equivale aproximadamente a 88 bolsas despues del desperdicio. Usa el numero de yardas para elegir como comprar antes de ordenar.

Zona de comparacion bolsas vs ready-mix

Este es el rango donde el concreto en bolsas puede verse mas barato, pero entrega, cargos de carga corta, ayuda disponible y velocidad de colocacion pueden cambiar la mejor opcion.

Revisar rendimiento de bolsa Comparar entrega Revisar la cotizacion

Siguientes revisiones de cotizacion

Usa este volumen para comparar ready-mix entregado, concreto en bolsas, entrega, cargos de carga corta y huecos de cotizacion antes de ordenar.

Costear el vaciado Comparar bolsas vs ready-mix Revisar cobertura de bolsas Revisar huecos de cotizacion Comparar ofertas de contratistas Guardar costos locales

Patio buying decision in one screen

This patio may still be bag-friendly, but check the total weight, mixing pace, backyard access, and local delivery minimum before choosing.

Concrete volume

1.96 yd3

80 lb bag check

Ready-mix screen

$448

Citation-ready answer: this patio needs about 1.96 yd3 with 88 80-lb bags. At $165 per yd3 plus a $125 delivery or short-load fee, the material screen is about $448, or about $3.11 per sq ft before installed labor and scope.

Compare bags Price material Review quote

Patio scope plan

Convierte las yardas del patio en un plan listo para cotizar

This result is a Site scope check needed with a scope score of 60/100. Use it to check the patio items that usually change the real installed price after the concrete math is already correct.

Patio area

144 sq ft

Thickness

4 in

Buying pressure

Bags versus ready-mix check

Patio next step

Confirm base depth, slope away from the house, access path, finish type, control joints, cleanup, and exclusions before treating the calculator result as an approved budget.

Build a shopping list Check truck access Normalize contractor bids

Falta alcance de patio antes de aprobar

Subgrade compaction, gravel base depth, drainage, and vapor barrier.
Inside-form dimensions, form bracing, thickened edges, and turndowns.
Control joint layout, saw-cut timing, finish type, curing, and cleanup.
Crew pace, truck access, chute reach, pump, buggy, or wheelbarrow distance.
Slope away from structures, drainage path, and exposed-edge finish.

Preguntas para cotización de patio

Does the quote include excavation, gravel base, compaction, forms, and form removal?
Are reinforcement, vapor barrier, control joints, curing, cleanup, and haul-off separated?
Does the concrete line match the calculator volume, waste factor, PSI, slump, and delivery window?
Are access limits, wheelbarrow distance, pump or buggy needs, and waiting time priced?
Are finish texture, drainage slope, steps, drains, and backyard access included?

Common Patio Tamano Respuestas

Tamano del patio	Con desperdicio	80 lb bags	Pantalla de ready-mix
10 ft x 10 ft patioSmall seating pad at 4 inches thick with 10% waste.	1.36 yd3	62	$349
12 ft x 12 ft patioCommon backyard patio at 4 inches thick with 10% waste.	1.96 yd3	88	$448
16 ft x 20 ft patioLarge seating area where ready-mix usually needs a quote.	4.35 yd3	196	$842
20 ft x 20 ft patioLarge patio that should be priced as delivery or contractor work.	5.43 yd3	245	$1021

Patio Formula

Primero en pies cuadrados

patio area = length x widtharea = 12 x 12 = 144.00 sq ft

Volumen de concreto

cubic yards = square feet x thickness in / 12 / 27final volume = 48.0000 x (1 + 10%/100)

Split L-shaped or curved patios into rectangles, calculate each section, then add waste after the sections are totaled. Estimate step pads, grill pads, fire-pit extensions, and walkway connectors separately.

Patio quote normalizer

Compara el alcance del patio antes del precio

A patio estimate should not stop at concrete volume. Base prep, slope, access, finish, joints, and cleanup often explain why a material-only number and an installed bid feel far apart.

Alcance	Revision	Por qué
Base and grade	Excavation, gravel depth, compaction, slope away from structures.	A correct yardage number can still fail if water or settlement is ignored.
Finish and joints	Broom, smooth, stamped, stained, exposed, control joints, sealer.	Finish scope changes labor and warranty more than concrete volume.
Backyard access	Truck chute reach, wheelbarrow route, buggy, pump, lawn protection.	Patio placement can become a logistics job before it is a material job.
Quote comparison	Material-only cost, installed cost per sq ft, pavers comparison.	Cheap material math should not be compared directly with a full installed bid.

Patio content cluster

Keep the patio calculator connected to the buying decision

Review a patio quote

Concrete patio extension calculatorEstimate a new patio strip or add-on separately, then check tie-ins, drainage, access, and finish matching.Concrete slab calculatorStart with the base yardage before you split the patio into finish and access checks.Ready-mix vs bags calculatorCompare bag count, delivery minimums, and the point where truck delivery wins.Concrete delivery cost calculatorCheck billable yards, short-load fees, wait time, and written delivered totals.Concrete quote reviewerNormalize patio bids against the same scope before you compare price.

Preguntas frecuentes

¿Cuánto concreto necesito para un patio de 12x12?

A 12 ft by 12 ft patio at 4 inches thick needs about 1.78 cubic yards before waste. With 10% waste, plan about 1.96 cubic yards, or about 89 common 80 lb bags.

¿Cuántas bolsas de concreto se necesitan para un patio de 20x20?

A 20 ft by 20 ft patio at 4 inches thick needs about 5.43 cubic yards with 10% waste. That is about 245 common 80 lb bags, so ready-mix, buggy, pump, or contractor placement should be checked before buying bags.

What thickness should I use for a concrete patio?

Four inches is a common planning starting point for a simple residential patio on a prepared base. Hot tubs, outdoor kitchens, weak soil, thickened edges, structural work, or local code can require a different design.

Does a patio calculator include gravel base and drainage?

No. This calculator estimates concrete material. Gravel base, excavation, compaction, drainage slope, isolation joints, finish, cleanup, and labor should be checked as separate quote lines.

When should I compare a concrete patio with pavers?

Compare pavers when design, modular repair, drainage, or base correction matters. Use the same patio square feet, access path, base scope, demolition, and cleanup assumptions before judging the cheaper quote.

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Disclaimer: This calculator is for concrete material planning only. Patio thickness, base, drainage, reinforcement, finish, code, permits, and structural needs can change the real job. Confirm structural and local requirements with a qualified contractor or engineer.