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Changing from 5 ft squares to 1 yard/meter squares
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<blockquote data-quote="Musing Mage" data-source="post: 8216873" data-attributes="member: 7025552"><p>1st Ed uses a scale of 1 Square = 3.3ft, so 3x3 squares is a 10ft area.</p><p></p><p>The movement rates and such are all geared around this scale, so factoring a per-segment movement rate is simply a matter of dividing your movement rate appropriately. If you're using indoor movements were 1" of movement equals 10ft, 1 segment of movement is your rate divided by 10. (there are 10 segments in a round)</p><p></p><p>So a human with a base movement of 12" can move 120ft per round, or 12ft per segment. Converting to squares, just divide your core movement rate by 3, and you get your per-segment movement in squares. (4 in the case of a movement rate of 12")</p><p></p><p>Outdoor movement is base 1 for 1. 1" = 10 yards, so therefore a 12" movement scale means 12 squares per segment of movement.</p><p></p><p></p><p>So if you're converting from a system that's designed around the 5ft grid square, you need to factor in all of the other elements. Just as changing 1E to 5ft squares creates a mathematical disjoint that needs to be addressed, likewise switching to 3.3ft squares from a system designed around 5ft squares will present some hiccups as you've noted.</p><p></p><p>Converting character movement to movement points is probably the best bet, but because all movement rates in 5e aren't equally divisible by 3 you'll get fractions. Perhaps a fraction equals a half point.... because you'll want any diagonal step to equal 1.5 movement points, so half points will see use.</p><p></p><p>Formula for movement pts is Base move in feet divided by 3, fractions count as half.</p><p></p><p>Move of 25ft therefore = 8.5 movement pts. 40ft = 13.5 movement pts etc etc...</p><p></p><p>On a practical level, 3.3ft square grids eat up a lot of space on your battlemap, so that might not be ideal if you're playing in a smaller space.</p><p></p><p>For my own part, I run 1E and use the 3.3ft spacing, and I have a large battlemat and a small one. I use them for 'zoom out' views, where I treat each square as a 10ft area - which is great for laying out the map for players. Then I 'zoom in' by plopping down the smaller mat when we need a close up for combat or more nuanced spacing.</p></blockquote><p></p>
[QUOTE="Musing Mage, post: 8216873, member: 7025552"] 1st Ed uses a scale of 1 Square = 3.3ft, so 3x3 squares is a 10ft area. The movement rates and such are all geared around this scale, so factoring a per-segment movement rate is simply a matter of dividing your movement rate appropriately. If you're using indoor movements were 1" of movement equals 10ft, 1 segment of movement is your rate divided by 10. (there are 10 segments in a round) So a human with a base movement of 12" can move 120ft per round, or 12ft per segment. Converting to squares, just divide your core movement rate by 3, and you get your per-segment movement in squares. (4 in the case of a movement rate of 12") Outdoor movement is base 1 for 1. 1" = 10 yards, so therefore a 12" movement scale means 12 squares per segment of movement. So if you're converting from a system that's designed around the 5ft grid square, you need to factor in all of the other elements. Just as changing 1E to 5ft squares creates a mathematical disjoint that needs to be addressed, likewise switching to 3.3ft squares from a system designed around 5ft squares will present some hiccups as you've noted. Converting character movement to movement points is probably the best bet, but because all movement rates in 5e aren't equally divisible by 3 you'll get fractions. Perhaps a fraction equals a half point.... because you'll want any diagonal step to equal 1.5 movement points, so half points will see use. Formula for movement pts is Base move in feet divided by 3, fractions count as half. Move of 25ft therefore = 8.5 movement pts. 40ft = 13.5 movement pts etc etc... On a practical level, 3.3ft square grids eat up a lot of space on your battlemap, so that might not be ideal if you're playing in a smaller space. For my own part, I run 1E and use the 3.3ft spacing, and I have a large battlemat and a small one. I use them for 'zoom out' views, where I treat each square as a 10ft area - which is great for laying out the map for players. Then I 'zoom in' by plopping down the smaller mat when we need a close up for combat or more nuanced spacing. [/QUOTE]
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