'Will we cut off hands...', Iran threatens Trump, how long will Khamenei's army last if there is a war with the US?

How long will the war between the US and Iran last?

countries?

The US has been at the top for the last 10 years and is a founding member of NATO, while Iran has partnerships with countries like Russia. The US military is balanced in every field, while Iran focuses more on land forces and missiles.

countries?

• US: has more than 150 million manpower, of which 12.4 crore are fit for service. Every year, 44.4 million people reach the military age. The total military personnel are 21.2 lakh, including 13.2 lakh active, 7.9 lakh in reserve and no para.
• Iran: has more than 4.94 crore manpower, of which 4.15 crore are fit for service. Every year, more than 14 lakh people reach the military age. The total military personnel are 11.80 lakh, including more than 6 lakh active, 3.5 lakh reservists and 2.2 lakh paramilitary personnel><.

The US manpower is 4 times greater than Iran's, but Iran's paramilitary force, the Islamic Revolutionary Guard Corps (IRGC), is strong in asymmetric attacks.

Which country has more budget and dangerous weapons?

America's defense budget is 895 billion dollars, while Iran's budget is 15.45 billion dollars. At the same time, speaking of weapons...

America has the most advanced Air Force in the world

• 4,640 tanks, of which 3,480 are ready for attack. There are more than 39,000 armoured vehicles, 671 self-propelled artillery and 641 rocket projectors. The U.S. Army relies on advanced tanks like the M1 Abrams.
• There are a total of 440 naval assets, with a total tonnage of 4,168,037 tonnes. This includes 11 aircraft carriers, 9 helicopter carriers, 81 destroyers, 26 corvettes, 70 submarines and 8 mine warfare. The US Navy is global and can carry out air strikes from carriers.

Iran is strong in drones and missiles

• There are a total of 1,713 tanks, 65,825 armoured vehicles, 392 self-propelled artillery and 1,517 rocket projectors. Iran's land force is large and strong in the Multiple Launch Rocket System (MLRS), but lags behind the US in technology. America's armored vehicles are 6 times more than Iran.
• There are a total of 107 naval assets with a total tonnage of 2,23,395 tonnes. It has 7 frigates, 3 corvettes, 25 submarines, 21 offshore patrol and 1 mine warfare. Iran's navy is small but can pose a threat to the Gulf with submarines and fast attack craft. The U.S. completely dominates here.

Is a nuclear attack possible in both countries?

America is a nuclear power. It is a member of the Non-Proliferation Treaty (NPT), which has thousands of nuclear warheads. This has been noted in the Global Firepower Report with nuclear capability. Iran is suspected of having a nuclear program, and the report says it focuses on indigenous nuclear capability, but officially denies building a nuclear weapon.

So which country is more powerful?

Overall, the U.S. could win but the price would be higher. However, the situation of war does not seem to be forming in the two countries.