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The Taeil Calculator is designed to enable users to obtain accurate results most intuitively and quickly, from complex construction sites to everyday numerical calculations.

To emphasize that the Taeil Calculator is not merely a tool for adding numbers, but a professional tool designed to maximize practical efficiency on construction sites, we provide a detailed explanation of the Hebe, Lube, and quantity calculation functions. This information is highly recommended for use in the 'Help' section or the detailed page within the app.

🏗️ Detailed Guide to Exclusive Practical Features of the Taeil Calculator

Beyond simple arithmetic operations, the Taeil Calculator is equipped with formulas for unit conversion and quantity calculation that are most frequently used on construction sites.

1. Hebe (㎡) Calculation: Area Calculation
'Hebe' is a field term derived from a Japanese expression; its correct name is **Square Meter (㎡)**.

- It is used to calculate the area for wall painting, tiling, floor plastering, etc.

- Calculation Formula: $Width (m) \times Length (m) = Area (㎡)$
App Usage: Entering the width and length values ​​instantly converts them to Hebe (㎡) units, and an automatic conversion function to 'Pyeong' units is also provided if needed. ($1㎡ \approx 0.3025 pyeong$)

2. Calculation of 'Lube' (㎥): Calculation of Volume and Size. 'Lube' refers to **cubic meters (㎥)** and is essential when calculating concrete (ready-mix concrete) order quantities or soil excavation volumes.

- Calculation Formula: $Width (m) \times Length (m) \times Thickness/Height (m) = Volume (㎥)$

- App Usage: You can accurately predict the required amount of ready-mix concrete by entering the dimensions of the slab (floor) or foundation.

3. Calculation of Concrete Quantity and Number of Ready-Mix Trucks. Going a step further than the cubic meter (㎥) calculation, it calculates the actual number of ready-mix trucks (mixer trucks) needed on-site.

- Key Feature: Calculates the required number of vehicles by dividing the total calculated cubic meter (㎥) by the loading capacity per ready-mix truck (typically $6㎥$).

- Application of Surcharge Rate: Includes a feature to select and apply a surcharge rate of typically 3% to 5% to account for on-site losses.

4. Rebar Quantity (Ton) Calculation: Simplifies the complex process of calculating the total weight (Ton) by multiplying the unit weight and length of rebar according to its specifications.

- Calculation Method:

1. Select rebar specification (D10, D13, D16, D19, D22, D25, etc.)

2. Enter total length (m)

3. Formula: $Unit Weight (kg/m) \times Total Length (m) \div 1000 = Weight (Ton)$

- Key Features: Standard unit weights for each specification are pre-entered within the app, so the tonnage calculation is completed immediately simply by selecting the specification.