PangPang ToolsConstruction & Electrical
Construction volume, cost-index comparisons, electrical reference checks and Korean connection and inspection fee estimates.
Wires, power & lighting
Current & power
Amps, watts and three-phase power
Battery & solar energy
Battery & solar energy calculators with separate inputs and assumptions
Cable drum & cutting stock
Cable drum & cutting stock calculators with separate inputs and assumptions
Cable selection & checks
Size, ampacity, voltage drop and DC loss
Cable tray quantity & fill
Cable tray quantity & fill calculators with separate inputs and assumptions
Conduit quantity, fill & offsets
Conduit quantity, fill & offsets calculators with separate inputs and assumptions
Lighting & illuminance
Required fixtures and estimated lux
Circuits & motors
Motor speed & shaft torque
Motor speed & shaft torque calculators with separate inputs and assumptions
Three-phase distribution checks
Three-phase distribution checks calculators with separate inputs and assumptions
Resistors & LED circuits
Resistors & LED circuits calculators with separate inputs and assumptions
Concrete & earthwork
Aggregate & asphalt quantities
Volume and tonnage for aggregate or asphalt
Man-day and Labor Cost Calculator
Total worker attendance, fractional man-days, and labor charges from per-worker workdays and unit rates.
Construction Daily Report PDF
Generate an A4 construction daily report with workers, activities, equipment, issues and the next-day plan.
Concrete & volume
Shape, openings and concrete bag quantities
Defect Inspection Photo Report
Create a structured A4 defect photo report with inspection location, dates, per-photo notes and action status.
Electrical Measurement Record PDF
Record insulation, ground resistance and leakage measurements in an A4 electrical inspection table; manually assess compliance.
Equipment Rental Cost Calculator
Calculate rental costs for multiple site machines from days, unit count, daily rates, extras and user-entered tax.
Excavation & backfill
Excavation, trench backfill and soil delivery
Material Purchase Order PDF
Build an itemized A4 material purchase order with supplier, delivery details, quantities and optional pricing.
Rebar & metal quantities
Rebar & metal quantities calculators with separate inputs and assumptions
Site Photo Sheet PDF
Create A4 site photo sheets from up to 12 photos, with project labels, captions and two/four-image layouts.
Slab Formwork Contact Area
Slab Formwork Contact Area: enter the labelled dimensions or electrical values, calculate related outputs, and review scope limits before using the estimate.
Finishes & materials
Masonry & mortar quantities
Brick or block counts and solid-brick mortar volume
Construction quotation & BOQ
Construction quotation & BOQ with dedicated accessible tabs
Fillet Weld Deposit Estimator
Fillet Weld Deposit Estimator: enter the labelled dimensions or electrical values, calculate related outputs, and review scope limits before using the estimate.
Floor & wall render
Floor screed and wall render volume
Sheet Metal Bend Allowance
Sheet Metal Bend Allowance: enter the labelled dimensions or electrical values, calculate related outputs, and review scope limits before using the estimate.
Slopes & roofs
Grade, angle, surface area and roofing materials
Stair Riser and Tread Calculator
Plan stair step counts, actual riser height and horizontal run from floor rise, target riser and tread depth.
Finishing material quantities
Finishing material quantities calculators with separate inputs and assumptions
Pipes, water & ventilation
Air Conditioner Cooling Capacity Estimate
Air Conditioner Cooling Capacity Estimate — enter your own values to calculate clear numerical results, with labelled units, validation and scope limitations. A first-pass heat load from floor area, user-set watts/m² and ceiling height factor, not a formal peak cooling design.
Irrigation Water Volume
Irrigation Water Volume: enter the labelled dimensions or electrical values, calculate related outputs, and review scope limits before using the estimate.
Pipe volume, flow & paint
Pipe volume, flow & paint calculators with separate inputs and assumptions
Pump Hydraulic Power Calculator
Pump Hydraulic Power Calculator — enter your own values to calculate clear numerical results, with labelled units, validation and scope limitations. Water-like incompressible fluid and user-entered pump efficiency; does not size motor or electrical protection.
Tank filling & circulation time
Filling with inflow and outflow, or theoretical circulation time
Rainwater Harvest Estimator
Rainwater Harvest Estimator: enter the labelled dimensions or electrical values, calculate related outputs, and review scope limits before using the estimate.
Ventilation & air changes
Airflow to ACH, or ACH to required airflow
Wall Heat Flow Calculator
Wall Heat Flow Calculator: enter the labelled dimensions or electrical values, calculate related outputs, and review scope limits before using the estimate.
Fees & cost indices
Electric energy & charging
Electric energy & charging calculators with separate inputs and assumptions
Cost indices & bid floor
Cost indices & bid floor with dedicated accessible tabs
KESCO pre-use inspection fee calculator
KESCO inspection fees, extras and VAT
KEPCO facility contribution calculator
Korean connection and new-route contribution