# Calculator talk:Runecrafting/Fractional rates

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This talk page is for discussing the Calculator:Runecrafting/Fractional rates page.

Perhaps this article could use the x1 and x2 levels e.g. Natures=level 44=x1 Natures=level 91=x2 etc. GundoggyTalk Contribs # 01:42, March 26, 2010 (UTC)

## Rune Multiplier Equation

Based on a few small studies and assumptions, I came up with this equation to calculate the average rune per ess multiplier at any given level.

y = ([(x-a)/(b-a)]^2)+c

y = average rune per ess multiplier at level x

a = the level which guarantees the current multiplier. If crafting nature runes at level 65, this is 44. If crafting air runes at level 65, this is 55

b = the next level that will guarantee an extra rune per ess. If crafting nature runes at level 65, this is 91. If crafting air runes at level 65, this is 66. Because there is no guaranteed multiplier for law, death or blood runes, I assume it to be 108, 130, and 154 respectively. This follows the general pattern of other multipliers.

c = The current guaranteed multiplier. If crafting nature runes at level 65, this is 1. If crafting air runes at level 65, this is 6.

If you're experienced with wiki code, feel free to make some calculators or graphs based on this equation. It would also be a good idea to further test the accuracy of this equation, so a large test of at least 1000 runes at different levels should be able to give me a good sample to tweak it if needed. If my understanding of the multipliers is correct, the only thing that might need altered is the exponent, 2.

So please, use this to calculate the average multiplier for your level and perform a large test sample so we can verify my equation's accuracy. It would be appreciated. 23:48, November 22, 2010 (UTC)

The figures on the calc page are based on samples, some larger, some smaller. Rich Farmbrough, 14:02 1 December 2010 (GMT).
The templtes such as Template:Air multiple might prove useful for anyone attempting a calc based on this. Rich Farmbrough, 14:06 1 December 2010 (GMT).
Template:Runelvl gives a floor for a multiple and rune type, although it seems incomplete at first glance. Rich Farmbrough, 14:11 1 December 2010 (GMT).
F2P runes level and multiplier below assuming https://runescape.wiki/w/Calculator:Runecrafting/Multiple_runes is right.
I used M=((0,6/(a-b-1)) x (L-b)) + c
Where M=multiplier L=lvl a= level for next multiple runes b=last level for next multiple rune c=last multiple rune
For example I have 83 (L) rc last multiple rune was at 77 (b) where i could make 8 (c) air out of 1 essence, and the next multiple rune is at 88 (a) where I can make 9 air runes out of 1 essence. So (0,6/(88-77-1)) x (83-77)) + 8=((0,6/10) x 6) + 8=8,36 runes per essence.
This doesn't work for levels which have a rune multiplier, I got them from http://www.tip.it/runescape/?page=runecrafting_guide.htm.
 level air mind water earth fire body 1 1 1 - - - - 2 1,0667 1.05 - - - - 3 1,1333 1,1 - - - - 4 1,2 1,15 - - - - 5 1,2667 1,2 1 - - - 6 1,3333 1,25 1,0462 - - - 7 1,4 1,3 1,0923 - - - 8 1,4667 1,35 1,1385 - - - 9 1,5333 1,4 1,1846 1 - - 10 1,6 1,45 1,2308 1,0375 - - 11 2 1,5 1,2769 1,075 - - 12 2,06 1,55 1,3231 1,1125 - - 13 2,12 1,6 1,3692 1,115 - - 14 2,18 2 1,4154 1,11875 1 - 15 2,24 2,0462 1,4615 1,225 1,03 - 16 2,3 2,0923 1,5077 1,2625 1,06 - 17 2,36 2,1385 1,5538 1,3 1,09 - 18 2,42 2,1846 1,6 1,3375 1,12 - 19 2,48 2,2308 2 1,375 1,15 - 20 2,54 2,2769 2,0333 1,4125 1,18 1 21 2,6 2,3231 2,0667 1,45 1,21 1,024 22 3 2,3692 2,1 1,4875 1,24 1,048 23 3,06 2,4154 2,1333 1,525 1,27 1,072 24 3,12 2,4615 2,1667 1,5625 1,3 1,096 25 3,18 2,5077 2,2 1,6 1,33 1,12 26 3,24 2,5538 2,2333 2 1,36 1,144 27 3,3 2,6 2,2667 2,024 1,39 1,168 28 3,36 3 2,3 2,048 1,42 1,192 29 3,42 3,0462 2,3333 2,072 1,45 1,216 30 3,48 3,0923 2,3667 2,096 1,48 1,24 31 3,54 3,1385 2,4 2,12 1,51 1,264 32 3,6 3,1846 2,4333 2,144 1,54 1,288 33 4 3,2308 2,4667 2,168 1,57 1,312 34 4,06 3,2769 2,5 2,192 1,6 1,336 35 4,12 3,3231 2,5333 2,216 2 1,36 36 4,18 3,3692 2,5667 2,24 2,0176 1,384 37 4,24 3,4154 2,6 2,264 2,0353 1,408 38 4,3 3,4615 3 2,288 2,0529 1,432 39 4,36 3,5077 3,0333 2,312 2,0706 1,456 40 4,42 3,5538 3,0667 2,336 2,0882 1,48 41 4,48 3,6 3,1 2,36 2,1059 1,504 42 4,54 4 3,1333 2,384 2,1235 1,528 43 4,6 4,0462 3,1667 2,408 2,1412 1,552 44 5 4,0923 3,2 2,432 2,1588 1,576 45 5,06 4,1385 3,2333 2,456 2,1765 1,6 46 5,12 4,1846 3,2667 2,48 2,1941 2 47 5,18 4,2308 3,3 2,504 2,2118 2,0133 48 5,24 4,2769 3,3333 2,528 2,2294 2,0267 49 5,3 4,3231 3,3667 2,552 2,2471 2,04 50 5,36 4,3692 3,4 2,576 2,2647 2,0533 51 5,42 4,4154 3,4333 2,6 2,2824 2,0667 52 5,48 4,4615 3,4667 3 2,3 2,08 53 5,54 4,5077 3,5 3,024 2,3176 2,0933 54 5,6 4,5538 3,5333 3,048 2,3353 2,1067 55 6 4,6 3,5667 3,072 2,3529 2,12 56 6,06 5 3,6 3,096 2,3706 2,1333 57 6,12 5,0462 4 3,12 2,3882 2,1467 58 6,18 5,0923 4,0333 3,144 2,4059 2,16 59 6,24 5,1385 4,0667 3,168 2,4235 2,1733 60 6,3 5,1846 4,1 3,192 2,4412 2,1867 61 3,36 5,2308 4,1333 3,216 2,4588 2,2 62 6,42 5,2769 4,1667 3,24 2,4765 2,2133 63 6,48 5,3231 4,2 3,264 2,4941 2,2267 64 6,54 5,3692 4,2333 3,288 2,5118 2,24 65 6,6 5,4154 4,2667 3,312 2,5294 2,2533 66 7 5,4615 4,3 3,336 2,5471 2,267 67 7,06 5,5077 4,3333 3,36 2,5647 2,28 68 7,12 5,5538 4,3667 3,384 2,5824 2,2933 69 7,18 5,6 4,4 3,408 2,6 2,3067 70 7,24 6 4,4333 3,432 3 2,32 71 7,3 6,0462 4,4667 3,456 3 2,3333 72 7,36 6,0923 4,5 3,48 3 2,3467 73 7,42 6,1385 4,5333 3,504 3 2,36 74 7,48 6,1846 4,5667 3,528 3 2,3733 75 7,54 6,2308 4,6 3,552 3 2,3867 76 7,6 6,2769 5 3,576 3 2,4 77 8 6,3231 5,0333 3,6 3 2,4133 78 8,06 6,3692 5,0667 4 3 2,4267 79 8,12 6,4154 5,1 4 3 2,44 80 8,18 6,4615 5,1333 4 3 2,4533 81 8,24 6,5077 5,1667 4 3 2,4667 82 8,3 6,5538 5,2 4 3 2,48 83 8,36 6,6 5,2333 4 3 2,4933 84 8,42 7 5,2667 4 3 2,5067 85 8,48 7,0462 5,3 4 3 2,52 86 8,54 7,0923 5,3333 4 3 2,5333 87 8,6 7,1285 5,3667 4 3 2,5467 88 9 7,1846 5,4 4 3 2,56 89 9,06 7,2308 5,4333 4 3 2,733 90 9,12 7,2769 5,4667 4 3 2,5867 91 9,18 7,3231 5,5 4 3 2,6 92 9,24 7,3692 5,5333 4 3 3 93 9,3 7,4154 5,5667 4 3 3 94 9,36 7,4615 5,6 4 3 3 95 9,42 7,5077 6 4 3 3 96 9,48 7,5538 6 4 3 3 97 9,54 7,6 6 4 3 3 98 9,6 8 6 4 3 3 99 10 8 6 4 3 3

## Extreme Runecrafting potion

I used the ERCp at both the Cosmic and Law altars. There was no notable effect on Cosmic rune production, but I managed to obtain 56 Law runes from 27 Pure Essence, which would seem to indicate Double Laws, even after taking all other effects into account. Includes V bonus and wearing Blood outfit and Infinity Head. Everybody check the math? ThatOneCH00B 21:06, September 11, 2018 (UTC)