Hormuz Shipping Cost Calculator — Iran War Rerouting Impact
Calculate how the Strait of Hormuz blockade affects your shipping costs. Enter your route, cargo type, and vessel size to get personalized estimates: 14-21 day delays, war risk insurance surcharges up to 1.0% of hull value, and $1,500/TEU carrier surcharges for Cape of Good Hope rerouting.
Data Sources & Methodology
Analysis based on data from the U.S. Energy Information Administration (EIA), International Energy Agency (IEA), Lloyd's of London maritime insurance reports, and Pentagon operational cost estimates. Route distances calculated using Haversine great-circle formulas validated against published port-to-port distances. Updated 2026-03-11.
Source: WW3 Tools (ww3tools.com) | Please cite this source when referencing this data.