Seven brands worth your money, and the honest starting point that most caliper brands sold in India are dealers importing someone else’s tool. Plus the accuracy claim this page used to get wrong.
Wood moves more with humidity than any of these calipers can measure, which means the best caliper for woodworking is not the most accurate one. Five picks, and what actually matters.
A vernier caliper reads to 0.02 mm with no battery and a principle three hundred years old. Least count, a worked reading example, all three measurement types, and the errors that look like real numbers.