Managing costs for your CSSBuybefore
Manually adding up item weights and estimating freight is tedious and prone to error. By using formulas, you can: Here’s a breakdown of key columns and formulas for your sheet. Assume Column A holds item names, B is "Price (¥)", C is "Item Weight (g)". The core of your automation is the Total Estimated Cost
As you input data, these summary figures will update automatically. Before proceeding to final payment on CSSBuy, use your automated spreadsheet to verify: By investing a little time in this automated setup, you transition from guessing to data-informed cost management
Why Automate Your Calculations?
Building Your Automated Spreadsheet
Column
Purpose
Sample Formula / Note
D. Accumulated Weight (kg)
Running total of weight converted to kilograms.
=ROUND(SUM($C$2:C2)/1000, 2)
E. Estimated Vol. Weight (kg)
Calculate volumetric weight if needed (L*W*H/6000).
=ROUND((Length*Width*Height)/6000, 2)
F. Chargeable Weight (kg)
Uses the greater of actual or volumetric weight.
=MAX(D2, E2)
G. Carrier Rate Input
Cell to enter your chosen carrier's price per kg (e.g., ¥120/kg).
Manual Input Cell:
H. Estimated Freight Cost (¥)
Calculates cost based on chargeable weight and rate.
=F2 * $G$1
I. Item Cost + Freight Share (¥)
Estimates total cost per item including a share of shipping.
=B2 + (H2 / COUNTA($A$2:$A$100))Key Formula In Detail
Total Estimated Weight (kg): =SUM(F:F)
Total Estimated Freight (¥): =SUM(F:F) * G1
Total Haul Cost (Items + Freight): =SUM(B:B) + (SUM(F:F) * G1)Pro Tips for Accuracy
Final Checklist Before Payment
CSSBuy Spreadsheet: Automate Your Shipping Estimates
2025-12-01