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Professional Calculators

Precise calculations for irrigation systems

System Parameters

Enter data regarding sprinklers and schedule

Calculation Formulas

Section consumption (liters): Flow × Number of sprinklers × Time

Consumption (m³): Liters ÷ 1000

Cycle cost: Consumption [m³] × Price [PLN/m³]

Monthly cost: Cycle cost × Frequency

Default values: Swell factor 1.25, Soil density 1500 kg/m³ (wet garden soil)

Excavation Parameters

Enter dimensions and ground characteristics

Calculation Formulas

Excavation volume: Length × Width × Depth

Bulk volume: Excavation volume × Swell factor

Mass: Bulk volume × Density

Number of trips: Mass [tons] ÷ Capacity (rounded up)

Sand: Length × Width × Layer

Warning: Internal pipe diameter differs from nominal (e.g. PE 25mm has 2mm wall, so d=21mm). Coefficient C for new PE pipes

Hydraulic Parameters

Enter pipeline and flow data

Example: PE 25mm SDR11 → d ≈ 21mm

PE new: 140-150, old: 120-130

Calculation Formulas (Hazen-Williams)

Pressure loss: ΔP = 605000 × L × (Q/C)^1.852 × d^-4.87

Velocity: v = 21.22 × Q / d²

where: L [m], Q [l/min], d [mm], C [dimensionless], ΔP [bar], v [m/s]

System Parameters

Enter basic information about your garden and irrigation system

💰 Irrigation system tips:

💡 Cost-saving tips: Choose optimal water pressure (3.5 atm) - it's the foundation of the system

🔧 Pipe selection: Choose PE pipe appropriate for garden size - you'll avoid additional costs

📱 WiFi control: WiFi control is worth adding if you travel frequently

🌧️ Sensors: Every irrigation system should have a rain sensor

🛠️ DIY installation: By installing the irrigation yourself you can save up to 40-50% of costs, but you need appropriate skills and time

Lawn Parameters

Enter area and terrain shape

m²

1.05 (5%) for simple shapes, 1.10-1.15 (10-15%) for complex ones

Enter area and terrain shape

Seeding Parameters

Enter area and dosage

m²

Standard: 0.025 - 0.030 kg/m² (25-30g)

kg/m²

Enter area and dosage

Fertilization/Spray Parameters

Select product type and dosage

m²

g/m²

Select product type and dosage

Roof and Rainfall Parameters

Calculate rainwater harvesting potential

m²

Average: 600mm

mm

0.9 (tile/metal), 0.6 (gravel flat), 0.3-0.5 (green)

dni

PLN

Calculate rainwater harvesting potential

Don't know how to compose an irrigation system?

Use the AI Planner and design your irrigation system in 3 simple steps

Draw your garden

Mark the garden area

Design with AI

AI assistant will automatically select all elements

Buy a ready-made set

The entire system available for purchase in one place