How many wei is 0.1 ETH?

0.1 ETH equals exactly 100,000,000,000,000,000 wei.

Is ETH to wei conversion exact?

Yes. 1 ETH equals exactly 1,000,000,000,000,000,000 wei (1e18).

Exact conversion (no API). 1 ETH = 1,000,000,000,000,000,000 wei.

0.1 ETH equals

100,000,000,000,000,000

Exact: 0.1 × 1e18 = 100,000,000,000,000,000 wei