Water pH Adjustment Calculator: Acid or Base Dose
You pour water into your hydroponic reservoir and watch the pH meter flicker. It’s reading seven point eight. You’re trying for six point five. What … Read More
JSCalc
Raise pH in Pool Calculator: Soda Ash Dose by Gallons
High acidity (pH) is corrosive to both your pool equipment and swimmers. After a few hours in the sun you’ll feel like you’re itching all … Read More
RNA Molarity Calculator: ng/uL to nM, pmol, Copies
You want to order some siRNA and you sit down to do it and realize that twenty nanograms per microliter isn’t the same thing as … Read More
Molarity to mg/mL Calculator – Convert M to Mass Conc
You’ve got a protocol that requires 10 millimolar Tris buffer. You’re standing in a lab with a bottle of powder and a protocol that requires … Read More
Molarity to PPM Calculator (mg/L, ug/mL, gpg)
Chemistry occurs at molecular level, which means you begin with a molarity value. One mole of something per liter of water is just dandy for … Read More
Molarity to Volume Calculator: Prep Volume & Dilution
You’ve got a spatula loaded with some white powder. It’s sitting there on your beaker, waiting for you to do something. Wait…what are you gonna … Read More
Concentration to Molarity Calculator (g/L, ppm, % w/v)
A bottle sits in your hand, labeled with an abstraction: a percentage of something you aren’t sure about. You’re standing in a lab where the … Read More
Roof Insulation R-Value Calculator: Assembly R and U-Value
The Roof Deck: You feel the cold radiating from the roof deck while standing in your drafty attic. Will an extra bag of insulation help? … Read More
Blown-In Insulation R-Value Calculator: Bags & Depth
An attic has to be seen more as a heat barrier over your head and not merely floor space. An attic either traps heat inside … Read More
Landscape Brick Calculator for Pavers, Edging, and Base Sand
Start with an idea in your head. Would you like a nice clean walkway up to the back door? Would you like a comfy new … Read More