The Calcs family
Meet the Calcs Family
Every Calcs site is built the same way: free, plain-spoken calculators with real formulas and named sources. Pick the one that fits the job in front of you.
Calculators
Free calculators for hobbies, trades and the home.
AdventureCalcs
Flights, hiking, and trip-cost calculators for travelers and backpackers.
AquariumCalcs
Tank setup, stocking, water chemistry, and reef calculators for fishkeepers.
AthleteCalcs
Training, nutrition, and performance calculators for athletes.
BibleCalcs
Scripture facts, reading plans, and reference calculators for Bible study.
ChefCalcs
Measurement, scaling, and doneness calculators for the home kitchen.
CleanerCalcs
Dilution ratios and dosing calculators for cleaning professionals.
DriverCalcs
Fuel mileage, ownership cost, and buying/loan calculators for drivers.
GarageCalcs
Engine, drivetrain, fuel, and shop math for the home auto enthusiast.
HomeBuildCalcs
Paint, drywall, concrete, and framing calculators for the hands-on homeowner.
HomesteadCalcs
Animal care, gardening, off-grid, and maker tools for the self-sufficient life.
HorseCalcs
Feeding, tack, breeding, and barn-budget calculators for horse owners.
HuntersCalcs
Ballistics, archery, reloading, and trophy scoring for hunters.
LawnCalcs
Seed, fertilizer, and lawn-care calculators for the home lawn.
LumberCalcs
Framing, decking, and material-sizing calculators for lumber and woodworking.
PayoutCalcs
Marketplace and payment-processor fee calculators for sellers.
PoolCareCalcs
Chemical dosing and volume calculators for pool and hot tub owners.
VersusCalcs
Side-by-side comparisons, calculators and quizzes: crocodile vs alligator, gas vs electric and more.
Other tools
Lookup tools built the same way.
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