Light Energy Calculator For Greenhouse & Indoor Grows

Greenhouse Lighting Calculator

Trying to decide which is the best horticultural lighting solution for your unique grow application? Use the P.L. Light Systems greenhouse and indoor grow lighting calculator tool to help you determine which product(s) will deliver the optimum light levels for your crop.

Read more about calculating your greenhouse ROI in our downloadable guide or explore our Expert Articles for more light strategy and planning resources.

And remember: 1% loss in light = 1% loss in yield

Estimate the Number of Light Fixtures Required*

Application:
Crop:
Light Fixture:
Target Light Levels (µmol/m².s):
Bay Measurements
A. Bay Length:
ft
m
B. Bay Width:
ft
m

Estimated # of Light Fixtures Required: --

* Please Note:
The data generated through this tool is meant to serve as a general guide only. It should NOT be considered a comprehensive light plan. The actual number of light fixtures required is dependant on various factors, including crop height, the greenhouse structure, irrigation, screening, heating, etc. For a detailed a light plan that will ensure you achieve optimum light yields with as few fixtures as possible, contact one of our lighting specialists for detailed advice specific to your application. We especially recommend you contact us for a custom light plan in applications requiring 50+ light fixtures.

Find your Savings*

Discover how much you could save on your operating costs by switching over to PL Light Systems fixtures.

Hours running lights / day:

Your local electrical utility's kWh Cost:
(you can find this on your utility bill)

Current Lighting System

Wattage - Current Fixture

# of fixtures

PL Light System

PL Light Replacement Fixture

Estimated # of new fixtures
*You can find this on your PL Light Systems light plan or you can use "find your Light" tool for a quick estimate.

Current Lighting System Usage

Typical Watts used per day: 0

Typical kWh used per day: 0.00

Typical kWh used per month: 0.00

Current Lighting System

Current Daily Cost: $

Current Monthly Cost: $

Current Annual Cost: $

PL Light System Usage

Typical Watts used per day: 0

Typical kWh used per day: 0.00

Typical kWh used per month: 0.00

PL Light System

New Daily Cost: $

New Monthly Cost: $

New Annual Cost: $

Savings per Month*: $

Savings per Year*: $

Savings percentage per year*: %

* Please Note: the data generated through this tool is meant to serve as a general guide only. It should NOT be considered a comprehensive light plan. The actual number of light fixtures required is dependant on various factors, including crop height, the greenhouse structure, irrigation, screening, heating, etc. For a detailed a light plan that will ensure you achieve optimum light yields with as few fixtures as possible, contact one of our lighting specialists for detailed advice specific to your application. We especially recommend you contact us for a custom light plan in applications requiring 50+ light fixtures.

* All calculated savings are estimated values only. PL Light systems cannot guarantee actual results.