Farm Value

**Farm Value** (abbreviated **FV**) represents the total value of your farm and is used to discover and upgrade to new eggs. It also determines how much money drones, elite drones, boxes, and videos offer, as their money values are a fraction of your Farm Value.

## Current Approximate Formula

Farm value is proportional to these factors.

* A multiplier by the epic research "Accounting Tricks"
* Common Research
* Egg value
* Egg laying rate ***per hour***
* Earning bonus (mystical eggs). Note that to calculate this, you need to take the displayed Earnings Bonus, aka Mystical Egg Bonus, in game, divide by 100, and add 1, in order to express it as a multiplier.
* The fourth root of (max running chicken bonus - 4)
* Egg upgrade level (2 if edible, 3 if superfood, ..., 19 if universe, 20 if enlightenment)
* A modified version of "population", the sum of the four following terms.
	+ 1.00 \* (Effective population)
	+ 0.20 \* (Ineffective population, limited by shipping rate)
	+ (Habs vacancy) ^ 0.6
	+ 0.25 \* (Total Internal hatchery rate = Internal Hatchery Rate \* Habs) \* (Max away time in minutes)

See the image for details; note that LayingRate/Chick/min ***is wrong*** (use *per hour* instead) and EarningBonus needs you to translate the game's displayed bonus, which is additive, to multiplicative, like this: MultiplicativeEB = 1+AdditiveEB/100.

Note that the only Artifact which *directly* influences Farm Value is the Mercury's Lens, but Chalices and Life Stones result in more chickens over time, which will *indirectly* result in a greater Farm Value.

The same formula, simplified slightly (all rates are per minute, *including* Laying Rate - the division by 60 to convert to per hour has been accounted for by modifying other constants):

P

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{\displaystyle {\begin{aligned}P&={\text{Population}}\\EarningBonus&=1+{\frac {MysticalEggBonus}{100}}\\L&=25\times AccountingTricks\times EarningBonus\times {\begin{cases}2,&Edible\\3,&Superfood\\...\\19,&Universe\\20,&Enlightenment\\\end{cases}}\\FarmValue&=L\times EggValue\times {\frac {LayingRate}{P}}\times {\sqrt[{4}]{MaxRunningChickenBonus-4}}\\&\times \left(16\left\lfloor P\times min\left(1,{\frac {ShippingRate}{LayingRate}}\right)\right\rfloor +4P+20\left(HabCapacity-P\right)^{\frac {3}{5}}+5IHR\times Habs\times MaxAwayTime\right)\\\end{aligned}}}

In other words, depending on whether or not you are shipping capped (total shipping is at least total laying), this simplifies further:

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{\displaystyle {\begin{aligned}ShippingCappedFarmValue&=L\times EggValue\times LayingRatePerChicken\times {\sqrt[{4}]{MaxRunningChickenBonus-4}}\\&\times \left(16\left\lfloor {\frac {ShippingRate}{LayingRatePerChicken}}\right\rfloor +4P+20\left(HabCapacity-P\right)^{\frac {3}{5}}+5IHR\times Habs\times MaxAwayTime\right)\\ShippingUncappedFarmValue&=L\times EggValue\times LayingRatePerChicken\times {\sqrt[{4}]{MaxRunningChickenBonus-4}}\\&\times 5\left[4\left(P+\left(HabCapacity-P\right)^{\frac {3}{5}}\right)+IHR\times Habs\times MaxAwayTime\right]\\\end{aligned}}}

A couple notes, in case you're using the formula and getting the wrong answer:

* Your displayed EB is *rounded*. You need to calculate your EB manually from your Soul Eggs, Prophecy Eggs, and so on, if you want a precise answer.
* Your Laying Rate per Chicken is *not 0* just because you have 0 chickens. The base rate with no upgrades is 2; if you have maxed out Epic Comfy Nests, your base rate with no Common Research is 4.
* Remove all artifacts before checking your stats to put into the formula - *only* lenses modify Farm Value, which otherwise uses your artifactless numbers, which you have no way to display in-game with the artifacts equipped.

With maxed out Research and provided you've bought 4 Habs and as many Silos as you can, everything in the formula is a constant except for Population and you will not be shipping capped for Farm Value purposes. To give you a sense of scale for the population portion of the formula,

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{\displaystyle P + \left ( HabCapacity - P \right )^{ \frac{3}{5} }}

:

* At P=0, it is about 1,078,370.
* At P=11,340,000,000, it is equal to 11,340,000,000.
* In relative terms, filling your habs from empty to full raises the Population term by approximately x10,516.
* Note that maxed out, IHR\*MaxAwayTime is 2,678,400 for a standard permit holder and 13,392,000 for a pro permit holder. Remember that the P component is multiplied by 4 before the two are added together in this context.
* If you have no source of chickens other than IHR (i.e. you don't use the manual chicken hatchery to send chickens and you don't equip any Life Stones or Chalices), the final component simplifies to:

T

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time in minutes

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# Internal Hatchery Rate
7
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440

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Final Term

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446400
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55800
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{\displaystyle \begin{align}
T &= \text{time in minutes}\\
I &= \text{Internal Hatchery Rate} = 7,440 \\
P &= 4TI = 29,760T\\
A &= \begin{cases}
1, & \text{Standard Permit} \\
5, & \text{Pro Permit} \\
\end{cases} \\
\text{Final Term} &= 20\left [ 29760T + \left ( 11.34\times10^9 - 29760T \right )^{ \frac{3}{5} } + 446400A \right ] \\
&= 160\left [ 3720T + \left ( 354.375\times10^6 - 930T \right )^{ \frac{3}{5} } + 55800A \right ] \\
&\approx 595200\left [ T + 0.016\left(381048 - T\right)^\frac{3}{5} + 15A \right ] \\
\end{align}}

	+ As a corollary, the Pro Permit's effect changes the term from having roughly 15 "free" minutes to 75. If you increase your IHR via artifacts and stones so your population grows faster, the pro permit becomes equivalent to fewer and fewer additional minutes.

## Old Formula (pre-1.12)

Farm value is the sum of the three following terms:

* income/sec \* 54000
* income/sec/chicken \* chicken hab max size \* 6000
* income/sec/chicken \* internal hatchery chickens/min/hab \* 7200000 / egg upgrade multiplier (see below)

Then:

* Multiply by accounting tricks (1.0x if not upgraded, 2.0x if fully upgraded)
* Multiply by (1.0+0.5 for each egg upgrade above edible egg). Examples: Edible egg = 1.0x, superfood egg = 1.5x, medical egg = 2x, rocket fuel egg = 2.5x ... terraform egg = 7.0x)

(One way to think of the first two terms is as follows: You earn 10% of your farm value just from building habs, and the remaining 90% by filling them with chickens to the brim. The third term is fairly irrelevant as it will be about 0.7-3% the size of the second term.)