Gauges work like this; the smaller the number the thicker the steel. So 10 gauge is thicker than 16 gauge.

Which is thicker 14 gauge or 16 gauge?

14 ga is thicker than 16 ga .

What is thicker 20 gauge or 18 gauge?

The smaller the number the thicker the steel. ... 18 Gauge would be a stronger metal than a 20 Gauge. A 20 Gauge casket would fulfill the same need as an 18 Gauge but for less money.