# Units of Measurement Metric and Standard conversions

xupisimu's version from 2016-05-01 03:58

## Summary

Memorize frequently used conversions for units of measurement.

## Metric and Standard

Values are not exact. These figures are rounded to the simplest (and most memorable) value, to be easier to use and remember.

StandardMetric
1 inchabout 2 and a half cms
a little more than half a mile1 km
almost half an inch1 cm

Original Reference: http://pmep.cce.cornell.edu/facts-slides-self/facts/gen-peapp-conv-table.html

## Quarts and cups, etc.

#### Order by size

This table has all seven measuring units from gallons through teaspoons. Click memorize, and then click matching mode to match them into the right order.

UnitOrder
gallon1
quart2
pint3
cup4
ounce5
tablespoon6
teaspoon7

#### Conversions

Now, click one of the memorize links to remember how they convert.

Larger UnitSmaller Unit
quarts in a gallon4 quarts
pints in a quart2 pints
cups in a pint2 cups
ounces in a cup8 ounces
tablespoons in an ounce2 tablespoons
teaspoons in a tablespoon3 teaspoons
pints in a gallon8 pints
cups in a gallon16 cups
ounces in a gallon128 ounces
ounces in a pint16 ounces

Abbreviation/prefixFactor
M = mega-million
k = kilo-thousand
h = hecto-hundred
da = deka-ten
d = deci-tenth
c = centi-hundredth
m = milli-thousandth
μ = micro-millionth
n = nano-billionth
p = pico-trillionth

Abbreviation/prefixFactor
M = mega-1,000,000
k = kilo-1,000
h = hecto-100
da = deka-10
d = deci-0.1 = 1/10
c = centi-0.01 = 1/100
m = milli-0.001 = 1/1,000
μ = micro-0.000 001 = 1/1,000,000
n = nano-0.000 000 001 = 1/1,000,000,000

Abbreviation/prefixFactor
M = mega-106 = 10 to the power of 6
k = kilo-103 = 10 to the power of 3
h = hecto-102 = 10 to the power of 2
da = deka-101 = 10 to the power of 1
d = deci-10-1 = 10 to the power of -1
c = centi-10-2 = 10 to the power of -2
m = milli-10-3 = 10 to the power of -3
μ = micro-10-6 = 10 to the power of -6
n = nano-10-9 = 10 to the power of -9