| Part 1 | The International System of Units and other Units |
| 1.1 | Measurement of length |
| 1.1.1 | SI units |
| kilometre (km) | = | 1000 metres |
| metre (m) | = | as defined Schedule 1 |
| centimetre (cm) | = | 10-2 metre |
| millimetre (mm) | = | 10-3 metre |
| micrometre (μm) | = | 10-6 metres |
| 1.1.2 | Other units |
| nautical mile = 1852 metres |
| 1.2 | Measurement of Area |
| 1.2.1 | SI units |
| square metre (m2) | = | as defined in Schedule 1. |
| square kilometre ((km)2) | = | 1 000 000 square metres |
| square millimetre ((mm)2) | = | 1/1 000 000 th of square metre |
| 1.2.2 | Other units |
| Hectare (ha) = 10 000 square metres |
| are (a) = 100 square metres |
| square centimetre ((cm2)) = 1/10000 th of a square metre |
| 1.3 | Measurement of Plane and Solid angle |
| 1.3.1 | Plane angle |
| radian (rad) = as defined in Schedule 1. |
| degree (°) = π/180 radians |
| minute (′) = π/10800 radians |
| second (″) = π/648 000 radians |
| 1.3.2 | Solid angle |
| steradian (sr) = as defined in Schedule 1. |
| 1.4 | Measurement of Speed |
| 1.4.1 | SI units |
| metre per second (m/s) = as defined in Schedule 1. |
| 1.4.2 | Other units |
| kilometre per hour = 10/36 metres per second |
| knot = 1.852 kilometres per hour |
| 1.5 | Measurement of Volume or Capacity |
| 1.5.1 | SI units |
| Cubic metre = as defined in Schedule 1. |
| 1.5.2 | Other units |
| Hectolitre (hl) = 100 litres |
| litre (l or L) = 1/1000 th of a cubic metre = 1 cubic decimetre |
| Cubic centimetre ((cm)3) = 1/100 000 th of a cubic metre |
| decilitre (dl) = 1/10 th of a litre |
| Centilitre (cl) = 1/100 th of a litre |
| millilitre (ml) = 1/1000 th of a litre |
| 1.6 | Measurement of Mass |
| 1.6.1 | SI units |
| kilogram (kg) = as defined in Schedule 1. |
| gram (g) = 1/1000 th of kilogram |
| milligram (mg) = 1/1 000 000 000 th of a kilogram |
| microgram (μg) = 1/ 000 000 000 th of a kilogram |
| 1.6.2 | Other units |
| tonne (t) = 1000 kilogram |
| metric carat = 200 milligrams |
| 1.7 | Measurement of Density (mass density) |
| 1.7.1 | SI units |
| kilogram per cubic metre = as defined in Schedule 1. |
| 1.7.2 | Other units |
| tonne per cubic metre = 1000 kilograms per cubic metre |
| 1.8 | Measurement of Force |
| 1.8.1 | SI units |
| meganewton (MN) = 1 000 000 newtons |
| kilonewton (kN) = 1 000 newtons |
| newton (N) = as defined in Schedule 1. |
| millinewton (mN) = 1/1 000 of a newton |
| 1.9 | Measurement of pressure and stress |
| 1.9.1 | SI units |
| megapascal (MPa) = 1 000 000 pascals |
| kilopascal (kPa) = 1 000 pascals |
| pascal (Pa) = as defined in Schedule 1. |
| 1.10 | Measurement of linear density of Textiles |
| 1.10.1 | Other units |
| tex (tex) = The mass in grams of one kilometre of yarn. |
| = 1 g/1 km = 10-6 kg/m |
| millitex (mtex) = 1/1000 th of a tex |
| decitex (dtex) = 1/10 th of a tex |
| kilotex (ktex) = 1000 tex. |
| 1.11 | Measurement of Time and Frequency |
| 1.11.1 | Time |
| minute (min) | = | 60 seconds |
| hour (h) | = | 3600 seconds |
| day (d) | = | 86400 seconds |
| week | = | 7 days |
| month and year of the Gregorian calendar |
| 1.11.2 | Frequency |
| gigahertz (GHz) = 1 000 000 000 hertz |
| megahertz (MHz) = 1 000 000 hertz |
| kilohertz (kHz) = 1 000 hertz |
| hertz (Hz) = as defined in Schedule 1. |
| 1.12 | Measurement of Temperature |
| 1.12.1 | SI units |
| kelvin (K) = as defined in Schedule 1. |
| 1.12.2 | Other units |
| degree Celsius (°C) = one kelvin (K) |
| The Celsius temperature scale is defined by the following equation: |
| t | = | T - To where |
| t | = | temperature in degrees Celsius, |
| T | = | temperature in kelvins |
| To | = | 273.15K |
| 1.13 | Measurement of Energy and Power |
| 1.13.1 | Energy, Work and Quantity of Heat |
| Joule (J) = as defined in Schedule 1. |
| Kilojoule (kJ) = 1000 joules |
| Megajoule (MJ) = 1000 000 joules and all other multiples and sub-multiples as defined in section 4 of Schedule 1 |
| Watt hour (Wh) = 3.6 x 103 joules |
| kilowatt hour (kWh) = 1000 watthour |
| Electron volt (eV) = The energy acquired by an electron in passing through a potential difference of 1 volt in vacuum. |
| 1.13.2 | Power, Energy flow rate and Heat flow rate |
| milliwatt (mW) = 1/1000 of a watt |
| watt (W) = as defined in Schedule 1. |
| kilowatt (kW) = 1000 watts |
| Megawatt (MW) = 1000 000 watts and all other multiples and sub-multiples as defined in Section 4, of Schedule 1. |
| 1.14 | Specific Energy |
| 1.14.1 | SI units |
| kilojoules per kilogram (kJ/kg) = 1000 joules per kilogram |
| joule per kilogram (J/kg) = 1 joule per kilogram |
| 1.14.2 | Other units |
| joule per gram (J/g) = 1/1 000 th joules per kilogram |
| 1.15 | Electric current |
| 1.15.1 | SI units |
| ampere (A) = as defined in Schedule 1. |
| milliampere (mA) = 1/1 000 th of ampere |
| microampere (μA) = 1/1 000 000 th of ampere |
| 1.16 | Electromotive force and Potential difference |
| 1.16.1 | SI units |
| kilovolt (kV) = 1 000 volts |
| volt (V) = as defined in Schedule 1. |
| millivolt (mV) = 1/1 000 th of a volt |
| microvolt (μV) = 1/1 000 000 th of a volt |
| 1.17 | Electric Capacitance |
| 1.17.1 | SI Units |
| henry (H) = as defined in Schedule 1. |
| millihenry (mH) = 1/1 000 th of a henry |
| microhenry (μH) = 1/1 000 000 th of a henry |
| 1.18 | Electric resistance |
| 1.18.1 | SI units |
| megaohm (MΩ) | = | 1 000 000 ohms |
| kiloohm (kΩ) | = | 1 000 ohms |
| ohm (Ω) | = | as defined in Schedule 1. |
| milliohm (mΩ) | = | 1/1 000 th of an ohm |
| microohm (μΩ) | = | 1/1 000 000 th of an ohm |
| 1.19 | Quantity of Electricity |
| 1.19.1 | SI units |
| coulomb (C) = as defined in Schedule 1. |
| millicoulomb (mC) = 1/1000 th of coulomb |
| microcoulomb (μC) = 1/1 000 000 th of coulomb |
| 1.19.2 | Other units |
| amperehour (Ah) = 3600 coulombs |
| 1.20 | Luminous intensity |
| 1.20.1 | SI units |
| candela (cd) = as defined in Schedule 1. |
| 1.21 | Illumination |
| 1.21.1 | SI units |
| lux (1x) = as defined in Schedule 1. |
| 1.22 | Luminous flux |
| 1.22.1 | SI units |
| lumen (1m) = as defined in Schedule 1. |
| 1.23 | Activity |
| 1.23.1 | SI units |
| becquerel (Bq) = as defined in Schedule 1 |
| millibecquerel (mBq) = 1/1 000 of becquerel |
| 1.24 | Absorbed dose |
| 1.24.1 | SI units |
| gray (Gy) = as defined in Schedule 1 |
| milligray (mGy) = 1/1 000 of gray |
| 1.25 | Exposure |
| 1.25.1 | SI units |
| coulomb per kilogram (C/kg) = as defined in Schedule 1. |