Compare calculators

Both calculators run independently — change the inputs on either side to compare results.

Landscape Lighting Transformer Calculator

Size your low-voltage landscape lighting transformer and estimate wire requirements before buying equipment. Essential when planning a new outdoor lighting installation or expanding an existing system.

Number of Light Fixtures (fixtures)

Average Fixture Wattage

Longest Wire Run (ft)

Acceptable Voltage Drop

Future Expansion

Fill in the required fields to see your result.

Landscaping

Irrigation Sprinkler Coverage Calculator

Estimates how many sprinkler heads your lawn needs and the total system cost based on lawn area, head type, coverage overlap, and per-head purchase and installation prices. Use it to plan a new in-ground irrigation system or expand an existing one.

Total Lawn Area (sq ft)

Sprinkler Head Type

Coverage Overlap

Cost per Sprinkler Head ($)

Installation Cost per Head ($)

Fill in the required fields to see your result.

Key differences

	Landscape Lighting Transformer Calculator	Irrigation Sprinkler Coverage Calculator
Category	Landscaping	Landscaping
Inputs required	5	5
Result	Transformer Size Needed (watts)	Total Irrigation System Cost ($)
What it does	Size your low-voltage landscape lighting transformer and estimate wire requirements before buying equipment. Essential when planning a new outdoor lighting installation or expanding an existing system.	Estimates how many sprinkler heads your lawn needs and the total system cost based on lawn area, head type, coverage overlap, and per-head purchase and installation prices. Use it to plan a new in-ground irrigation system or expand an existing one.