GURPS Metric Speed/Range Table


If you want to run your GURPS games in metric units, you will probably need a metric conversion of the combat speed/range table. I have drawn up such a table, using slightly rubbery metric conversions for simplicity in the final numbers. High speeds are also given in Mach numbers - multiples of the speed of sound at Earth-normal sea-level atmospheric pressure and composition.
Speed/Range    Size       Linear       Speed   Speed
 Modifier    Modifier   Measurement   (km/h)   (Mach)

   +15         -15          7 mm
   +14         -14         10 mm
   +13         -13         15 mm
   +12         -12         20 mm
   +11         -11         30 mm
   +10         -10         45 mm
    +9          -9         70 mm
    +8          -8        100 mm
    +7          -7        150 mm
    +6          -6        200 mm
    +5          -5        300 mm
    +4          -4        450 mm
    +3          -3        700 mm
    +2          -2          1 m       3.6 km/h
    +1          -1        1.5 m       5.4 km/h
     0           0          2 m       7.2 km/h
    -1          +1          3 m      10.8 km/h
    -2          +2        4.5 m      16.2 km/h
    -3          +3          7 m      25.2 km/h
    -4          +4         10 m        36 km/h
    -5          +5         15 m        54 km/h
    -6          +6         20 m        72 km/h
    -7          +7         30 m       108 km/h
    -8          +8         45 m       162 km/h
    -9          +9         70 m       252 km/h
   -10         +10        100 m       360 km/h     0.30
   -11         +11        150 m       540 km/h     0.45
   -12         +12        200 m       720 km/h     0.61
   -13         +13        300 m      1080 km/h     0.91
   -14         +14        450 m      1620 km/h     1.36
   -15         +15        700 m      2520 km/h     2.12
   -16         +16          1 km     3600 km/h     3.03
   -17         +17        1.5 km     5400 km/h     4.55
   -18         +18          2 km     7200 km/h     6.06
   -19         +19          3 km    10800 km/h     9.09
   -20         +20        4.5 km    16200 km/h    13.64
   -21         +21          7 km    25200 km/h    21.21
   -22         +22         10 km    36000 km/h    30.30
   -23         +23         15 km    54000 km/h    45.45
   -24         +24         20 km    72000 km/h    60.61
   -25         +25         30 km   108000 km/h    90.91
   -26         +26         45 km   162000 km/h   136.36

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