Enter the length of the deck railing and the spacing between each baluster into the calculator to determine the number of deck railing balusters needed; this calculator can also evaluate any of the variables given the others are known.

## Deck Railing Formula

The following formula is used to calculate the number of deck railing balusters needed for a given length of railing:

N = {L}/{S}

Variables:

- N is the number of deck railing balusters needed
- L is the length of the deck railing
- S is the spacing between each deck railing baluster

To calculate the number of deck railing balusters needed, divide the length of the deck railing by the spacing between each baluster. Round up the result to the nearest whole number using the ceiling function.

## What is a Deck Railing?

A deck railing is a safety feature installed around the perimeter of a deck, balcony, or porch to prevent accidents such as falls. It is typically constructed from materials such as wood, metal, vinyl, or composite materials, and consists of posts, top and bottom rails, and infill (which could be balusters, lattice, glass, etc.). The design and materials of a deck railing can vary widely depending on the architectural style of the house, local building codes, and the homeowner’s personal preference. In addition to providing safety, a deck railing can also serve as a decorative element, enhancing the overall aesthetic appeal of the deck and the house.

## How to Calculate Deck Railing?

The following steps outline how to calculate the Deck Railing.

- First, measure the length of the deck railing (in feet).
- Next, determine the cost per foot of the deck railing ($).
- Next, multiply the length of the deck railing by the cost per foot to calculate the total cost of the deck railing.
- Finally, calculate the Deck Railing.
- After inserting the measurements and calculating the result, check your answer with the calculator above.

**Example Problem : **

Use the following variables as an example problem to test your knowledge.

length of the deck railing (in feet) = 10

cost per foot of the deck railing ($) = 25