US-Iran War Cost Tracker

Reporting cited here

1. estimate

   MilitarySpend displayed an estimated $42.80 billion on September 13, 2026. Its model applies about $1.88 billion daily for six days, $500 million daily for days 7–39, and $95 million daily from April 8 during assumed ceasefire standby.

   Total Estimated Cost; Sources & Methodology

   MilitarySpend estimates Iran campaign costs at $42.8 billion on September 13 · Attributed estimate; period and accounting scope stated in each measure