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import streamlit as st
import math
def calculate_plaster(length, width, thickness, cement_ratio, sand_ratio, cement_bag_weight, dry_volume_factor, wastage_percent, cement_bag_price, plaster_price_per_m2, unit_system):
# Convert inputs to metric if necessary
if unit_system == "Imperial":
length = length * 0.3048 # feet to meters
width = width * 0.3048 # feet to meters
thickness = thickness * 0.0254 # inches to meters
# Calculate plaster area
plaster_area = length * width
# Calculate wet mortar volume
wet_mortar_volume = plaster_area * thickness
# Calculate dry mortar volume (accounting for dry volume factor)
dry_mortar_volume = wet_mortar_volume * dry_volume_factor
# Calculate total dry mortar volume with wastage
total_dry_mortar = dry_mortar_volume * (1 + wastage_percent/100)
# Calculate cement and sand quantities
total_parts = cement_ratio + sand_ratio
cement_volume = (cement_ratio / total_parts) * total_dry_mortar
sand_volume = (sand_ratio / total_parts) * total_dry_mortar
# Convert cement volume to weight and bags
cement_density = 1440 # kg/m3
cement_weight = cement_volume * cement_density
cement_bags = cement_weight / cement_bag_weight
# Calculate costs
cement_cost = cement_bags * cement_bag_price
total_plaster_cost = plaster_area * plaster_price_per_m2
return {
"Plaster area": plaster_area,
"Wet mortar volume": wet_mortar_volume,
"Dry mortar volume": dry_mortar_volume,
"Total dry mortar (with wastage)": total_dry_mortar,
"Cement volume": cement_volume,
"Cement weight": cement_weight,
"Cement bags": cement_bags,
"Sand volume": sand_volume,
"Cement cost": cement_cost,
"Total plaster cost": total_plaster_cost
}
def calculate_paint(length, width, subtract_area, coats, coverage_per_liter, paint_price_per_liter, unit_system):
# Convert inputs to metric if necessary
if unit_system == "Imperial":
length = length * 0.3048 # feet to meters
width = width * 0.3048 # feet to meters
subtract_area = subtract_area * 0.0929 # sqft to sqm
# Calculate total paintable area
total_area = (length * width) - subtract_area
# Calculate total paint required
total_liters = (total_area * coats) / coverage_per_liter
# Calculate total cost
total_cost = total_liters * paint_price_per_liter
return {
"Total area": total_area,
"Total liters": total_liters,
"Total cost": total_cost
}
def calculate_tiles(floor_length, floor_width, tile_length, tile_width, wastage_percent, tile_price_per_m2, unit_system):
# Convert inputs to metric if necessary
if unit_system == "Imperial":
floor_length = floor_length * 0.3048 # feet to meters
floor_width = floor_width * 0.3048 # feet to meters
tile_length = tile_length * 0.0254 # inches to meters
tile_width = tile_width * 0.0254 # inches to meters
# Calculate floor area
floor_area = floor_length * floor_width
# Calculate tile area
tile_area = tile_length * tile_width
# Calculate number of tiles needed (without wastage)
num_tiles = floor_area / tile_area
# Add wastage
total_tiles = num_tiles * (1 + wastage_percent/100)
# Calculate total cost
total_cost = floor_area * tile_price_per_m2
return {
"Floor area": floor_area,
"Tile area": tile_area,
"Number of tiles (without wastage)": num_tiles,
"Total tiles (with wastage)": math.ceil(total_tiles),
"Total cost": total_cost
}
def main():
st.title("Construction Calculator")
# Sidebar for navigation
st.sidebar.title("Navigation")
calculation_type = st.sidebar.radio(
"Select Calculation Type",
("Plaster", "Paint", "Tiles")
)
# Unit system selection
unit_system = st.sidebar.radio("Unit System", ("Metric", "Imperial"))
if calculation_type == "Plaster":
st.header("Plaster Calculation")
col1, col2 = st.columns(2)
with col1:
length = st.number_input("Length", min_value=0.0, value=1.0)
width = st.number_input("Width", min_value=0.0, value=1.0)
thickness = st.number_input("Plaster Thickness (m)", min_value=0.0, value=0.02)
st.subheader("Mortar Ratio")
cement_ratio = st.number_input("Cement", min_value=1, value=1)
sand_ratio = st.number_input("Sand", min_value=1, value=5)
with col2:
cement_bag_weight = st.number_input("Cement Bag Weight (kg)", min_value=0.0, value=50.0)
dry_volume_factor = st.number_input("Dry Volume Factor", min_value=0.0, value=1.27)
wastage_percent = st.number_input("Wastage %", min_value=0.0, value=2.0)
cement_bag_price = st.number_input("Cement Bag Price ($)", min_value=0.0, value=0.0)
plaster_price_per_m2 = st.number_input("Plaster Price per m² ($)", min_value=0.0, value=0.0)
if st.button("Calculate Plaster"):
results = calculate_plaster(
length, width, thickness, cement_ratio, sand_ratio,
cement_bag_weight, dry_volume_factor, wastage_percent,
cement_bag_price, plaster_price_per_m2, unit_system
)
st.subheader("Results")
st.table({
"Material": [
"Plaster area", "Wet mortar volume", "Dry mortar volume",
"Total dry mortar (with wastage)", "Cement volume",
"Cement weight", "Cement bags", "Sand volume",
"Cement cost", "Total plaster cost"
],
"Quantity": [
f"{results['Plaster area']:.2f} m²",
f"{results['Wet mortar volume']:.4f} m³",
f"{results['Dry mortar volume']:.4f} m³",
f"{results['Total dry mortar (with wastage)']:.4f} m³",
f"{results['Cement volume']:.4f} m³",
f"{results['Cement weight']:.2f} kg",
f"{results['Cement bags']:.2f} bags",
f"{results['Sand volume']:.4f} m³",
f"${results['Cement cost']:.2f}",
f"${results['Total plaster cost']:.2f}"
]
})
st.subheader("Calculation Steps")
st.write(f"1. Plaster Area = Length × Width = {length} × {width} = {results['Plaster area']:.2f} m²")
st.write(f"2. Wet Mortar Volume = Plaster Area × Thickness = {results['Plaster area']:.2f} × {thickness} = {results['Wet mortar volume']:.4f} m³")
st.write(f"3. Dry Mortar Volume = Wet Mortar Volume × Dry Volume Factor = {results['Wet mortar volume']:.4f} × {dry_volume_factor} = {results['Dry mortar volume']:.4f} m³")
st.write(f"4. Total Dry Mortar (with {wastage_percent}% wastage) = {results['Dry mortar volume']:.4f} × {1 + wastage_percent/100} = {results['Total dry mortar (with wastage)']:.4f} m³")
st.write(f"5. Cement Volume = (Cement Ratio / Total Parts) × Total Dry Mortar = ({cement_ratio}/{cement_ratio + sand_ratio}) × {results['Total dry mortar (with wastage)']:.4f} = {results['Cement volume']:.4f} m³")
st.write(f"6. Cement Weight = Cement Volume × Cement Density (1440 kg/m³) = {results['Cement volume']:.4f} × 1440 = {results['Cement weight']:.2f} kg")
st.write(f"7. Cement Bags = Cement Weight / Bag Weight = {results['Cement weight']:.2f} / {cement_bag_weight} = {results['Cement bags']:.2f} bags")
st.write(f"8. Sand Volume = (Sand Ratio / Total Parts) × Total Dry Mortar = ({sand_ratio}/{cement_ratio + sand_ratio}) × {results['Total dry mortar (with wastage)']:.4f} = {results['Sand volume']:.4f} m³")
st.write(f"9. Cement Cost = Cement Bags × Bag Price = {results['Cement bags']:.2f} × {cement_bag_price} = ${results['Cement cost']:.2f}")
st.write(f"10. Total Plaster Cost = Plaster Area × Price per m² = {results['Plaster area']:.2f} × {plaster_price_per_m2} = ${results['Total plaster cost']:.2f}")
elif calculation_type == "Paint":
st.header("Paint Calculation")
col1, col2 = st.columns(2)
with col1:
length = st.number_input("Length", min_value=0.0, value=1.0)
width = st.number_input("Width", min_value=0.0, value=1.0)
subtract_area = st.number_input("Subtract Area", min_value=0.0, value=0.0)
with col2:
coats = st.number_input("Number of Coats", min_value=1, value=1)
coverage_per_liter = st.number_input("Coverage per Liter (m²)", min_value=0.0, value=9.5)
paint_price_per_liter = st.number_input("Paint Price per Liter ($)", min_value=0.0, value=0.0)
if st.button("Calculate Paint"):
results = calculate_paint(
length, width, subtract_area, coats,
coverage_per_liter, paint_price_per_liter, unit_system
)
st.subheader("Results")
st.table({
"Material": ["Total area", "Total liters", "Total cost"],
"Quantity": [
f"{results['Total area']:.2f} m²",
f"{results['Total liters']:.2f} liters",
f"${results['Total cost']:.2f}"
]
})
st.subheader("Calculation Steps")
st.write(f"1. Total Area = (Length × Width) - Subtract Area = ({length} × {width}) - {subtract_area} = {results['Total area']:.2f} m²")
st.write(f"2. Total Paint Required = (Total Area × Number of Coats) / Coverage per Liter = ({results['Total area']:.2f} × {coats}) / {coverage_per_liter} = {results['Total liters']:.2f} liters")
st.write(f"3. Total Cost = Total Liters × Price per Liter = {results['Total liters']:.2f} × {paint_price_per_liter} = ${results['Total cost']:.2f}")
elif calculation_type == "Tiles":
st.header("Tiles Calculation")
st.subheader("Floor Dimensions")
col1, col2 = st.columns(2)
with col1:
floor_length = st.number_input("Floor Length", min_value=0.0, value=1.0)
floor_width = st.number_input("Floor Width", min_value=0.0, value=1.0)
st.subheader("Tile Dimensions")
with col2:
tile_length = st.number_input("Tile Length", min_value=0.0, value=0.3)
tile_width = st.number_input("Tile Width", min_value=0.0, value=0.3)
st.subheader("Other Parameters")
wastage_percent = st.number_input("Wastage %", min_value=0.0, value=5.0)
tile_price_per_m2 = st.number_input("Tile Price per m² ($)", min_value=0.0, value=0.0)
if st.button("Calculate Tiles"):
results = calculate_tiles(
floor_length, floor_width, tile_length, tile_width,
wastage_percent, tile_price_per_m2, unit_system
)
st.subheader("Results")
st.table({
"Material": [
"Floor area", "Tile area", "Number of tiles (without wastage)",
"Total tiles (with wastage)", "Total cost"
],
"Quantity": [
f"{results['Floor area']:.2f} m²",
f"{results['Tile area']:.4f} m²",
f"{results['Number of tiles (without wastage)']:.0f}",
f"{results['Total tiles (with wastage)']}",
f"${results['Total cost']:.2f}"
]
})
st.subheader("Calculation Steps")
st.write(f"1. Floor Area = Length × Width = {floor_length} × {floor_width} = {results['Floor area']:.2f} m²")
st.write(f"2. Tile Area = Tile Length × Tile Width = {tile_length} × {tile_width} = {results['Tile area']:.4f} m²")
st.write(f"3. Number of Tiles (without wastage) = Floor Area / Tile Area = {results['Floor area']:.2f} / {results['Tile area']:.4f} = {results['Number of tiles (without wastage)']:.0f}")
st.write(f"4. Total Tiles (with {wastage_percent}% wastage) = {results['Number of tiles (without wastage)']:.0f} × {1 + wastage_percent/100} = {results['Total tiles (with wastage)']}")
st.write(f"5. Total Cost = Floor Area × Price per m² = {results['Floor area']:.2f} × {tile_price_per_m2} = ${results['Total cost']:.2f}")
if __name__ == "__main__":
main() |