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http://www.simetric.co.uk/
" Info on SI Units
" SI Unit Descriptions
" SI Derived Units
" SI Prefixes (mega, giga)
" Imperial/UK Units
" Scientific Notation --(i.e. what is 1.00E+09)
" Metric Forum
" Feet to metres calculator
" Metres to feet calculator
" British Thermal Units Btu
" Density of bulk materials
" Density of liquids
" Specific Gravity of water
" Density of metals
" Density of woods
" Kitchen metric
" Medical metric
" Parts per million - ppm
" Clothing metric
" Yarn metric
" Time
" cc to hp
" Paper & Envelopes
" Gross to Nett price
" Nett to Gross price
" Add on Commission
" Sheet metal swg - mm
" Wire & rod swg - awg
" Electrical wire swg - awg
" Steam tables (4 pages)
" Watts, amps, volts, ohms
" M Threads & spanners
" Self tapping screws
" M tap & pilot drill sizes
" Info on SI Units
" SI Unit Descriptions
" SI Derived Units
" SI Prefixes (mega, giga)
" Imperial/UK Units
" Scientific Notation --(i.e. what is 1.00E+09)
" Metric Forum
" Feet to metres calculator
" Metres to feet calculator
" British Thermal Units Btu
" Density of bulk materials
" Density of liquids
" Specific Gravity of water
" Density of metals
" Density of woods
" Kitchen metric
" Medical metric
" Parts per million - ppm
" Clothing metric
" Yarn metric
" Time
" cc to hp
" Paper & Envelopes
" Gross to Nett price
" Nett to Gross price
" Add on Commission
" Sheet metal swg - mm
" Wire & rod swg - awg
" Electrical wire swg - awg
" Steam tables (4 pages)
" Watts, amps, volts, ohms
" M Threads & spanners
" Self tapping screws
" M tap & pilot drill sizes