Free calculators for your hobbies. No signup, no ads, no tracking. Just useful tools that work.
ABV estimation, priming sugar calculations, and brewing formulas for craft beer and cider.
BrewingWater chemistry, dosing calculators, tank volume, and stocking level guides.
FishkeepingHydration ratios, baker's percentages, starter feeding schedules, and recipe scaling.
BakingDIY vape juice mixing with VG/PG ratios, nicotine calculations, and flavor percentages.
DIY VapeCalculate cubic yards of concrete for slabs, footings, and columns. Bags needed with waste factor.
ConstructionCalculate tiles needed for floors and walls. Accounts for grout width, waste, and boxes needed.
Home ImprovementCalculate cubic yards and bags of mulch for landscaping. Supports multiple bed shapes.
Landscaping