120/27 = 4.44 cubic yards of stone. Our fire pit ended up being about 4 feet (49 inches) in diameter on the outside and 3 feet (35.5 inches) in diameter on the inside- if you want something bigger or smaller, you will just need more or less blocks. This calculator assumes a 3 â 8 â mortar bed. Fire Pit Layout. I picked up some cheap retaining wall blocks from Home Depot. Fireplaces and Fire Pits Home Interiors Outdoor Living Paver Patios ... Our online project estimator tool allows you to calculate the amount of pavers, retaining wall blocks, or Slimbrick that you will need for your projects such as patios, walkways, driveways, and retaining walls. Calculator Stake String Spray Paint, flour, or marking chalk Gloves Shovel Pea Gravel Level Rake Leveling Sand Stackable interlocking retaining wall bricks (we used 57) Directions: 1. 16â³ Exposed Stone Patio Block. Round or Square. Retaining Wall Blocks. We will calculate pieces of each for you with the order. Our fire pit is also 16 inches high. Area / 1.78 = # of pieces. Example: 400 sq.ft. Contact; Retaining Wall Block, Fire Pit, Etc. Feb 1, 2016 - Explore Suzanne House-Thomas's board "Outdoor Firepit Walls", followed by 166 people on Pinterest. Belgard Weston Stone Fire Pit Kit (In Stock) For those who prefer a cleaner, more contemporary look, Belgardâs Weston Stone® Universal Kit offers a pleasing visual alternative to some of our more textured products. If the top row will be a cap block, then the number of cap blocks needed is the number of columns. Beside above, how many retaining wall blocks do I need for a fire pit? 4â³x8â³x12â³, 4 Colors. Then lay out the first course of blocks to find the size of your fire pit and establish where the sod and soil will be removed to construct the base. Signup for your Pavestone eNews! See more ideas about outdoor fire pit, outdoor fire, outdoor. 4 colors to choose from. Get updates on products, offers and all things Pavestone delivered to your inbox. Firepit. But round up and buy at least 5 yards. Choose a location for your fire pit that isnât close to trees, buildings or anything that could catch fire from a spark. 20 feet x 2 feet x 3 feet = 120 feet. The fire pit is 36" in diameter, so its circumference is about 113". Calculate how many bricks you need using the calculator above. I picked up some cheap retaining wall blocks from Home Depot. Sold individually. Divide the height of the wall in inches by the height of the block and round up, this is the number of rows. 42 retaining wall blocks and 36â³ ring. If you can afford it, get 6 or even 7 yards. Pavers also work well, but since these are literally made to be used as a wall, they stack nicely. Step 1: Determine the Location. Note: If you would like to incorporate 8â³x 16â³ patio stone with the 16â³x 16â³ patio stone in a 50 %/ 50% blend, the square footage cost for the project will be the same. Fire Pit Rings. The kit is available in five popular color blends developed to complement most Belgard paving stone and retaining wall types. Determine the location of your fire pit. Each block is about 9" long on the short end, so I ⦠/ 1.78 = 224 pieces. The thickness of the mortar bed you use can also vary your material needs. HOW TO BUILD A FIRE PIT using retaining wall blocks. You would need a little less than 4 1/2 yards of stone to build your stone wall. The type of brick you choose will determine how many you need for a wall because every kind of brick is a slightly different size. Log Stepper. Wall Panel Foundation. 3 sizes â 18â³, 24â³ and 36â³ ring.