ProPac Tools - Corrugated Box Calculator

ProPac Tools

Professional Corrugated Box Calculator

About Corrugated Box Calculator

This calculator uses the following formulas to calculate corrugated box parameters:

1. Sheet Size Calculation:
   • Cutting Length = (Length + Width) × 2 + Margin (60mm or 120mm)
   • Deckle Width = Width + Height + 30mm
2. Weight Calculation:
   • Area (m²) = (Cutting Length × Deckle Width) ÷ 1,000,000
   • GSM Weight = Total GSM (sum of all layers)
   • Raw Weight = (Area × GSM Weight) ÷ 1000
   • Final Weight = Raw Weight × 1.03 (3% wastage)
3. Cost Calculation:
   • Price per Box = Weight (kg) × Paper Rate+conversation (per kg)
   • Total Cost = Price per Box × Quantity

Margin Rules:

• If Length + Width ≤ 890mm → Margin = 60mm
• If Length + Width > 890mm → Margin = 120mm
• Additional margin for Inner Dimensions based on ply:
• 3 Ply: Length/Width +4mm, Height +6mm
• 5 Ply: Length/Width +5mm, Height +6mm
• 7 Ply: Length/Width +5mm, Height +6mm

Flute Multiplier: Each flute paper GSM is multiplied by flute type multiplier (A=1.55, B=1.35, C=1.45, E=1.30, F=1.25)

Dimensions Required

Outer Dimensions

Inner Dimensions

Measurement Unit Millimeters (mm) Centimeters (cm) Meters (m) Inches Feet Yards

Length

Width

Height

Specifications Required

Ply Type Select Ply 3 Ply 5 Ply 7 Ply

Flute Type Select Flute A Flute (1.55) B Flute (1.35) C Flute (1.45) E Flute (1.30) F Flute (1.25)

Paper GSM Values Required

Please select ply type first

Additional Settings

Currency

₹

INR - Indian Rupee USD - US Dollar EUR - Euro GBP - British Pound BDT - Bangladeshi Taka JPY - Japanese Yen

Weight Unit Kilograms (kg) Pounds (lb) Grams (g)

Paper Rate+conversation Optional

Enter the current market rate per unit of weight (optional)

Quantity Optional

Enter the total number of boxes needed (optional, default is 0). Results will show per box cost.

Calculation Tip

Total Weight = Sheet Area × Total GSM × 1.03 ÷ 1000
Sheet Area = (Cutting Length × Deckle Width) ÷ 1,000,000
Cutting Length = (Length + Width) × 2 + Margin
Deckle Width = Width + Height + 30mm

Calculation Formulas Used

Formula 1: Sheet Dimensions
Cutting Length = (Length + Width) × 2 + Margin (60/120mm)
Deckle Width = Width + Height + 30mm

Formula 2: Weight Calculation
Area (m²) = (Cutting Length × Deckle Width) ÷ 1,000,000
Raw Weight (kg) = (Area × Total GSM) ÷ 1000
Final Weight = Raw Weight × 1.03 (3% wastage)

Formula 3: Cost Calculation
Rate per Box = Weight (kg) × Paper Rate+conversation per kg
Total Cost = Rate per Box × Quantity

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