Miscellaneous Beer Calculators

I've been working to build some easy JavaScript calculators for use when I'm brewing. It's been done before, of course, but I like the practice coding and will always remember where to find these. Let me know if you'd like to see a particular brewing calculator on here, and I'll see if I can code it.
Thanks!
Ben

Estimated BAC Calculator

Estimated BAC Calculator
How many 12 oz. beers have you had?
How many hours have you been drinking?
How much do you weigh (in lbs.)?
Are you a man or a woman?	Male Female
Estimated BAC:
Please note: This is just an estimation tool. We assume a 5% ABV on beer, so remember that 6% ABV is 20% drunker than 5% and adjust accordingly. This calculator should not be relied upon to determine if you are legally capable of driving. Never drink and drive. Also, don't try to get the high score.

Draft System Calculator

Draft System Balance Calculator
Beer Temperature (Deg F)
What style are you working towards?	British Style Ales 1.5 – 2.0 volumes Belgian Ales 1.5 – 2.4 volumes American Ales and Lager 2.2 – 2.7 volumes Fruit Lambic 3.0 – 4.5 volumes Porter, Stout 1.7 – 2.3 volumes European Lagers 2.2 – 2.7 volumes Lambic 2.4 – 2.8 volumes German Wheat Beer 3.3 – 4.5 volumes I'd like to enter my own.
Or, enter your desired CO2 Volumes:
Recommended Pressure:
What is your CO2 PSI?
How long is your beer line in feet?
What is the size and type of your beer line?	3/8” OD stainless beverage tubing 5/16” OD stainless beverage tubing 1/4” OD stainless beverage tubing 3/8” ID plastic beer line 5/16” ID plastic beer line 1/4” ID plastic beer line 3/16” ID plastic beer line
How far above your keg is your tap (in inches)?
Min. beer line length in feet:
Legal Disclaimer: The stangebrewing.com Draft Beer Calculator is for entertainment purposes and should not be used for professional brewing. No warranty or guarantee of accuracy is provided on the information provided by this calculator. Always be careful when working with compressed gas! Never exceed pressure ratings listed by the manufacturer. Use proper safety equipment. Read the instructions!

Mash Strike Water Calculator

Strike Water Calculator
Weight of Malt Bill (lbs):
Mash Thickness (qts/lb):
Grain Temperature (F):
Target Temperature (F):
Strike Water Temperature (F):
Quarts of Water Needed:

Mash Infusion Calculator

Mash Infusion Calculator
Weight of Malt Bill (lbs):
Current water volume (qts):
Current Mash Temperature (F):
Target Temperature (F):
Added Water Temperature (F):
Quarts of Water Needed: