Multi-Component Buffer Reagent Mass and Cost Calculator
Calculate powder masses, stock volumes, solvent top-up, and optional ingredient-use cost for a multi-component buffer recipe.
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HPLC Mobile Phase Blend and Run Cost Calculator
Calculate HPLC gradient mobile phase A and B volumes, preparation reserve, sequence runtime, and solvent-related cost.
Epoxy EEW, Amine Ratio, Batch and Cost Calculator
Calculate epoxy hardener grams, phr, mixed batch mass, resin-to-hardener ratio, and optional material used cost from EEW and AHEW.
Industrial Chemical Feed Rate, Pump Setting and Cost Calculator
Calculate liquid chemical feed rate, pump capacity setting, monthly gallons used, and monthly chemical cost from flow and dose.
Laboratory Stock Solution Purity and Hydration Calculator
Calculate solid reagent mass for a stock solution using final volume, hydrate water, formula weight, and purity or assay.
Chinchilla Cage Size and Floor Space Calculator
Check a chinchilla cage’s dimensions, floor area, volume, and main standing surface for one or two chinchillas.
Guinea Pig Cage Size and Floor Space Calculator
Check a guinea pig cage’s usable floor space against a selected target and see the extra length or width needed.
Hamster Cage Size and Floor Space Calculator
Calculate a hamster cage’s continuous interior floor area and compare it with your own target or a limited USDA research rule.
CFU per mL and Serial Dilution Plate Count Calculator
Calculate original-sample CFU/mL from colony counts, plated volumes, known dilutions, or custom serial dilution steps.
Hemocytometer Cell Count, Concentration and Viability Calculator
Calculate viable and total cells per mL, cell viability, and per-square count spread from hemocytometer counts.