Plant Spacing Calculator: Grid & Triangular Bed Planner
I started gardening with optimism. I dug in the dirt, amended it, and purchased seeds as if Mother Nature would do all the work of … Read More
Biology & Nature
Calculators for biology and the natural world, from BMI and body stats to genetics and Punnett squares, population growth, dilutions and dosages. Useful in the classroom, the lab and the outdoors.
Carbon Footprint Calculator: Home, Car, Flights, Diet
In reality, you don’t need to think about your carbon footprint as an amorphous state of mind, it’s really a collection of very concrete actions: … Read More