LED Shop Lighting

Calculate the LED
lighting for an average
size home shop using

LED Shop

Entry Form

Length: In feet

Width: In feet

Lumens: One Lamp



Total Lumens: Required

Total Lamps: Required

Double Lamp: Fixtures

The dual 4 foot, 18 watt
5000K single ended clear
T8 tube is a good choice

Whether you are changing
out T12s or doing a brand
new install, these 18 watt
tubes work well.

If you have existing T12
and you want to upgrade
to LEDs; you can reuse
these fixtures as the LEDs
will fit into them.

120 volt AC is applied only
to the one end of the tubes.

For dual tubes, on the
power end you require
four conductor tomb stones,
to bridge the power to both

On the far end you can use
the existing tombstones,
as there is no power there
and they are only used to
support the tubes.


LEDs use less energy.

LEDs turn on in cold

LEDs instantly turn
on bright.

Shop Calculator.

Enter lumens of one
4 foot LED light bulb.

Enter length and width
of room in feet.

LED bulb Lumens
range from 2600
to 6000s.
6000 range gets
into a bluer light.

Average preferred shop
lighting is 4000 to
5000 lumens.

5000 being daylight,
4000 being a softer light.

Average room requires
100 lumens per square foot.

This calculator is intended
for approximate estimating.

Color of ceiling and walls
will affect the lighting.

Rendering values range
from 0-100.

Rendering is accuracy in
seeing colors, aim for

Lighting Reflection

Window covering 40-50%

Walls 50% max.

Shop Equipment 25-45%.

Ceiling 70-80%

Floor 25-45%


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