Shipping Overpay Calculator
Estimates what your monthly shipping should cost given package volume, average weight, and zone mix — and flags the gap vs. what you're actually paying.
Amazon FBA is active. Other marketplace modules stay marked as planned until audited.
Methodology
Shipping Overpay Calculator. Compares current average package cost with a zone-and-weight benchmark to estimate monthly and annual overpay or savings.
Fee schedule/source date: carrier benchmark model reviewed 2026-05-08; use your negotiated rate card before acting.
Read the formula, inclusions, exclusions, and fee-category audit →
Calculator
Regional pages
Regional pages
Margin Ruler keeps a regional page for every active country so calculators stay tied to the local landing context. Browse below; the calculator math is the same on each.
Australia
Canada
New Zealand
United States
- New York, NY
- Los Angeles, CA
- Chicago, IL
- Houston, TX
- Phoenix, AZ
- Philadelphia, PA
- San Antonio, TX
- San Diego, CA
- Dallas, TX
- San Jose, CA
- Austin, TX
- Jacksonville, FL
- Fort Worth, TX
- Columbus, OH
- Charlotte, NC
- San Francisco, CA
- Indianapolis, IN
- Seattle, WA
- Denver, CO
- Washington, DC
- Boston, MA
- El Paso, TX
- Detroit, MI
- Nashville, TN
- Portland, OR
- Memphis, TN
- Oklahoma City, OK
- Las Vegas, NV
- Louisville, KY
- Baltimore, MD
- Milwaukee, WI
- Albuquerque, NM
- Tucson, AZ
- Fresno, CA
- Sacramento, CA
- Mesa, AZ
- Kansas City, MO
- Atlanta, GA
- Colorado Springs, CO
- Omaha, NE
- Raleigh, NC
- Miami, FL
- Long Beach, CA
- Virginia Beach, VA
- Oakland, CA
- Minneapolis, MN
- Tulsa, OK
- Tampa, FL
- Arlington, TX
- New Orleans, LA
- Wichita, KS
- Cleveland, OH
- Bakersfield, CA
- Aurora, CO
- Anaheim, CA
- Honolulu, HI
- Santa Ana, CA
- Riverside, CA
- Corpus Christi, TX
- Lexington, KY
- Stockton, CA
- Henderson, NV
- Saint Paul, MN
- St. Louis, MO
- Cincinnati, OH
- Pittsburgh, PA
- Greensboro, NC
- Anchorage, AK
- Lincoln, NE
- Orlando, FL
- Irvine, CA
- Newark, NJ
- Toledo, OH
- Durham, NC
- Chula Vista, CA
- Fort Wayne, IN
- Jersey City, NJ
- St Petersburg, FL
- Laredo, TX
- Madison, WI
- Chandler, AZ
- Buffalo, NY
- Lubbock, TX
- Scottsdale, AZ
- Reno, NV
- Glendale, AZ
- Gilbert, AZ
- Winston Salem, NC
- North Las Vegas, NV
- Norfolk, VA
- Chesapeake, VA
- Garland, TX
- Irving, TX
- Hialeah, FL
- Fremont, CA
- Boise, ID
- Richmond, VA
- Spokane, WA
- Baton Rouge, LA
- Tallahassee, FL