This is the registration manual for 1979 casework.
Do not under any circumstances use the information here when settling 2012 casework. This resource has been archived and is no longer being updated. As such, it contains many broken links. Much of the information contained here is obsolete or superseded.
P10 Conversion Tables
CONVERSION TABLES
NOTE: These conversion tables are provided for use within the Agency only.
METRIC SYMBOLS
A RANGE OF MULTIPLES AND SUBMULTIPLES
Symbol | Unit | Symbol | Unit |
a | are | km | kilometre |
ha | hectare | km2 | square kilometre |
cm | centimetre | m | metre |
cm2 | square centimetre | m2 | square metre |
Dm | decimetre | mm | millimetre |
dm2 | square decimetre | mm2 | square millimetre |
Plural as for singular |
Factor | Multiples and submultiples | Prefix | Symbol |
One million | 106 | mega | M |
One thousand | 103 | kilo | k |
One hundred | 102 | hecto | h |
Ten | 101 | deca | da |
One tenth | 10-1 | deci | d |
One hundredth | 10-2 | centi | c |
One thousandth | 10-3 | milli | m |
One millionth | 10-6 | micro | µ |
TABLES
Imperial | (linear) | Imperial | (area) |
12 inches | = 1 foot | 144 sq. inches | = 1 sq foot |
3 feet | = 1 yard | 9 sq. feet | = 1 sq yard |
5.5 yards | = 1 rod, pole or perch | 484 sq. yards | = 1 sq chain (Gunter's) |
22 yards | = 1 chain (Gunter's) | 10 sq. chains | = 1 acre |
10 chains | = 1 furlong | 640 acres | = 1 sq mile |
8 furlongs | = 1 mile | 30.25 sq yards | = 1 sq rod, pole or perch |
40 sq poles | = 1 rood | ||
4 roods | = 1 acre |
Metric | (linear) | Metric | (area) |
10 mm | = 1 cm | 100 cm2 | = 1 dm2 |
10 cm | = 1 dm | 100 dm2 | = 1m2 |
100 cm | = 1 m | 100 m2 | = 1 a |
1,000 m | = 1 km | 10,000 m2 | = 1 ha |
100 ha | = 1 km2 |
FACTORS
Imperial to | Metric (linear) | Imperial to | Metric (area) |
1 inch | = 0.0254 m | 1 sq foot | = 0.09290304 m2 |
= 25.4 mm | 1 sq yard | = 0.83612736 m2 | |
1 foot | = 0.3048 m | 1 sq chain (Gunter's) | = 404.686 m2 |
1 yard | = 0.9144 m | 1 rood | = 1011.71 m2 |
1 rod, pole or perch | = 5.0292 m | 1 acre | = 4046.86 m2 |
1 link | = 0.201168 m | 1 sq link | = 0.0404687m2 |
1 chain (Gunter's) | = 20.11684 m | 1 sq mile | = 258.999 ha |
1 chain (engineers) | = 30.48 m | ||
1 furlong | = 201.168 m | ||
1 mile | = 1.609344 km |
Metric to | Imperial (linear) | Metric to | Imperial (area) |
1 mm | = 0.0393701 inch | 1 cm2 | = 0.155000 sq inch |
1 cm | = 0.393701 inch | 1 m2 | = 1.19599 sq yards |
1 dm | = 3.93701 inches | 1 a | = 119.599 sq yards |
1 m | = 39.3701 inches | 1 ha | = 2.47105 acres |
= 3.28084 feet | 1 km2 | = 247.105 acres | |
= 1.09361 yards | |||
1 km | = 1093.61 yards | ||
= 0.621371 mile |
SCOTS MEASUREMENTS
SCOTS | IMPERIAL | |||
A. LINEAR | ||||
8.88 inches | = 1 link | 1 Scots inch | = 1.001616 Imp inches | |
1.35 links | = 1 foot | 1 Scots link | = 8.89435 Imp inches | |
3 1/12 feet | = 1 ell | 1 Scots foot | = 12.019392 Imp inches | |
6 ells | = 1 fall | 1 ell | = 37.0598 Imp inches | |
4 falls | = 1 chain | = 3.0883166 Imp feet | ||
= 1.0294389 yards | ||||
10 chains | = 1 furlong | 1 fall | = 6.1766334 yards | |
8 furlongs | = 1 mile | 1 Scots chain | = 24.706533 yards | |
1 Scots furlong | = 247.06533 yards | |||
1 Scots mile | = 1976.5226 yards | |||
NB To convert Scots ells into Imperial yards multiply by | 1.0294389 | NB To convert Imperial yards into Scots ells multiply by | 0.971403 | |
B. SQUARE | ||||
78.8544 sq inches | = 1 sq link | 1 sq Scots inch | = 1.0032346 sq Imp inches | |
1.82615 sq links | = 1 sq foot | 1 sq Scots link | = 79.109061 sq Imp inches | |
9.5069 sq feet | = 1 sq ell | 1 sq Scots foot | = 144.46578 sq Imp inches | |
36 sq ells | = 1 sq fall | = 1.0032345 sq Imp feet | ||
16 sq falls | = 1 sq chain | 1 sq ell | = 1.0597444 sq yards | |
2½ sq chains | = 1 Rood | 1 sq fall | = 38.150341 sq yards | |
4 Roods | = 1 Acre | 1 sq Scots chain | = 610.40545 sq yards | |
1 Scots rood | = 1526.0316 sq yards | |||
1 Scots acre | = 6104.1264 sq yards | |||
NB To convert Scots acres into Imperial acres multiply by | 1.26118345 | NB To convert Imperial acres into Scots acres multiply by | 0.79290606 |
*
This is the registration manual for 1979 casework.
Do not under any circumstances use the information here when settling 2012 casework. This resource has been archived and is no longer being updated. As such, it contains many broken links. Much of the information contained here is obsolete or superseded.
*
The Manual is an internal document intended for RoS staff only. The information in the Manual does not constitute legal or professional advice and RoS cannot accept any liability for actions arising from its use.
Using this website requires you to accept cookies. More information on cookies.