Table of Contents

## How much granular sub base do I need?

Measure the length and width in metres of the area you wish to fill with a sub base aggregate e.g. 20m x 10m. Multiply the length and width to find the area in square metres. Multiply by the depth e.g. 150mm. Multiply by 2 to get the tonnage required.

## How do I calculate how much base I need?

Length in feet x Width in feet x Depth in feet (inches divided by 12). Take the total and divide by 21.6 (the amount of cubic feet in a ton). The final figure will be the estimated amount of tons required.

**How do I calculate my base course ton?**

Manual Calculator

- Multiply the length of the area by the width of the area = Square Feet.
- Multiply Square Feet by the Depth* = Cubic Feet.
- Divide Cubic Feet by 27 = Cubic Yards.
- Multiply Cubic Yards by 1.5 = Tons Needed.

### How much crush and run Do I need calculator?

Multiply the length (L), in feet, by the width (W), in feet, by the height (H), in feet, and divide by 27. This number is how many cubic yards of crushed stone you need.

### How much ballast and cement do I need calculator?

ballast calculator for concrete:-quantity of ballast for 1m3 concrete is calculated as follows, ballast quantity = 5/6 × 1m3 = 0.833 m3, we know weight of ballast = volume × density, so weight of ballast in kg = 0.833m3 × 1750kg/m3 = 1458kg, if weight of ballast bag is 25kg, then number of bags of 25kg ballast as 1458/ …

**How much ballast do I need calculator?**

## How much does a ton of sub base cover?

Availability: Quantity: 1000kg (1 tonne) bulk bag. Coverage: 1000kg of MOT type 1 sub-base will typically cover 10m² (10m x 1m) at a depth of 50mm. Consists of: Crushed concrete, bricks and rocks; a mixture of hard stone, sand, limestone, granite and gritstone.

## What is the permeability of granular sub-base?

Permeability requirements of Granular Sub-base (GSB) is 300m/day as per IRC 37:2012 Flexible Pavement Strength wise GSB is more superior as compared to the subgrade. Brick metal, kankar and crushed concrete is permitted in lower sub-base. Granular Sub-base (GSB) materials shall be free from organic or other deleterious constituents

**What is a subbase calculator?**

A calculator for estimating the quantities of sub base required. Home Sitemap Terms & Conditions Forum Press Tell a Friend Calculators Contact Us

### How do I calculate how much aggregate I Need?

AGGREGATES CALCULATOR. Use this handy calculator to estimate how much aggregate you will need for your project. Enter the Length, Width & Depth of your Project Area. Select the Unit of Measurement for your entered numbers (Feet, Inches, Centimeters or Meters).

### What are the materials required for granite sub base?

Material Requirement for Granular Sub-base (GSB) 1 River/Natural sand 2 Crushed Gravel 3 Crushed Stone 4 Blast Furnace slag metal 5 Brick metal, kankar and crushed concrete is permitted in lower sub-base.