Antenna Calculator

MHz
= ft. (or inches.)
Length of each Leg

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Factor Calculator


Results

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For the Photographer

Depth of Field Calculator
Negative Format
Lens focal length
Selected aperture
Subject distance (Meters)

Hyperfocal distance for this lens/aperture combination.
Near limit of acceptable sharpness.
Far limit of acceptable sharpness.
Total depth of field.

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For the Painter

Walls

Wall 1 Width: ft.
Wall 1 Height: ft.
Wall 2 Width: ft.
Wall 2 Height: ft.
Wall 3 Width: ft.
Wall 3 Height: ft.
Wall 4 Width: ft.
Wall 4 Height: ft.

Doors

Door 1 Width: ft.
Door 1 Height: ft.
Door 2 Width: ft.
Door 2 Height: ft.

Windows

Window 1 Width: ft.
Window 1 Height: ft.
Window 2 Width: ft.
Window 2 Height: ft.

Area covered by one can of paint

Can covers: sq. ft.

Calculated Area
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Wall 1 Area: sq. ft.
Wall 2 Area: sq. ft.
Wall 3 Area: sq. ft.
Wall 4 Area: sq. ft.

Total Area without windows and doors substituted
Total Area: sq. ft.

Total Area with windows and doors substituted
Total Area: sq. ft.

How many cans of paint will be needed.
Number of cans:

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A Handy Calculator

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