# What prefix means one million in the metric system?

Mega-

1/10th. A decimeter, for example, is 1/10th of a meter or 10cm.

### How many grams equals a milligram?

The gram is the larger unit. There are 1000 milligrams in 1 gram. 1 milligram = 0.001 gram = 1/1000th of a gram In the metric system, the prefix gives us the number. "milli-" means one thousandth, while "centi-" means one hundredth. Kilo means one thousand, while mega means million and giga means billions.

### Which metric prefixes make a standard metric unit larger?

The size of a standard unit doesn't change. "deca..." as a prefix means "10 of them" "hecto..." as a prefix means "100 of them" "kilo..." means "1,000 of them" (103) "mega..." means "1 million of them" (106) "giga..." means "1 billion of them" (109) "tera..." means "1 trillion of them" (1012) "petta..." means "1 quadrillion of them" (1015) "exa..." means "1 quiuntillion of them" (1018) "zetta..." means "1 sextillion of them" (1021) "yotta..." means "1…