Resources
Unit of Measure Conversion Factor
Percent Parts per Million Parts per Billion Parts per Trillion
.001% = 10 ppm =
.0001% = 1 ppm = 1,000 ppb = 1,000,000 ppt
.00001% = .1 ppm = 100 ppb = 100,000 ppt
.000001% = .01 ppm = 10 ppb = 10,000 ppt
.001 ppm = 1 ppb = 1,000 ppt
.0001 ppm = 1 ppb = 100 ppt
.01 ppb = 10 ppt
.001 ppb = 1 ppt
Temperature Conversion Formula
°C to °F °F to °C
(°C x 9/5) + 32 = °F (°F–32) x 5/9 = °C

Weight Conversion Table

From / To g kg M.Ton grain oz lb
 g 1 0.001 1 x 10–6 15.43 0.03527 0.00220
 kg 1000 1 0.001 1.54 x 104 35.27 2.205
 Metric Ton 1 x 106 1000 1 1.54 x 107 3.53 x 104  2205
 grain 6.48 x 10–2 6.48 x 10–5 6.48 x 10–5 1 2.29 x 10–3 1.43 x 10–4
 oz 28.35 0.02835 2.83 x 10–5 437.5 1 0.06250
 lb 453.6 0.4536 4.54 x 104 7000 16 1

To convert from a unit shown in the left column, multiply by the factor listed in the column for the desired unit.

Volume Conversion Table
From/To cm3 liter m3 in3 ft3 yd3 fl oz fl pt fl qt gal
 cm3

1

0.001

 

1x10–6

0.06102

 

3.53x10–5

 

1.31x10–6

0.03381

0.00211

0.00106

 

2.64x10–4

 liter 1000 1 0.001 61.02 0.03532 0.00131 33.81 2.113 1.057 0.2642
 m3 1 x 106 1000 1 6.10x104 35.31 1.308 3.38x104 2113 1057 264.2
 in3 16.39 0.01639 1.64x10–5 1 5.79x10–4 2.14x10–5 0.5541 0.03463 0.01732 0.00433
 ft3 2.83x104 28.32 0.02832 1728 1 0.03704 957.5 69.84 29.92

7.481

 yd3 7.65x105 764.5 0.7646 4.67x104 27 1 2.59x104 1616 807.9 202.0
 fl oz 29.57 0.02957 2.96x10–5 1.805 0.00104 3.87x10–5 1 0.06250 0.03125 0.00781
 fl pt 473.2 0.4732 473x10–4 28.88 0.01671 619x10–4 16 1 0.6000 0.1250
 fl qt 946.4 0.9463 9.46x10–4 57.75 0.03342 0.00124 32 2 1 0.2500
 gal 3785 3.786 0.00379 231.0 0.1337 0.00495 128 8 4 1

To convert from a unit shown in the left column, multiply by the factor listed in the column for the desired unit.

Length Conversion Table
From/To cm m km in ft mile
 cm

1  

100

1 x 10–5  

0.3937  

0.03281  

6.214 x 10–6

 m

100  

1

0.001

39.37

3.281

6.214 x 10–4

 km

1 x 105

1000

1

3.94 x 104

3281

0.6214

 in

2.540

0.02540

2.540 x 10–5

1

0.08333

1.578 x10–5

 ft

30.48

0.3048

3.048 x 10–4

12

1

18.94 x 10–4

 mile

1.609 x 105

1609

1.609

6.336 x 104

5280

1

To convert from a unit shown in the left column, multiply by the factor listed in the column for the desired unit.