## Hobby Calculators

**Aquarium**

You can use these calculators to calculate volume, water chemistry, glass, design, electrics, and more..

**Chess - Darts - Karts - Boats**

You can use these calculators to calculate chess rating, darts score, kart ratio, and bass boat speed.

**Horses**

You can use these calculators to calculate feeding, foaling, weight, cost, and more..

**Music**

You can use these calculators to calculate strings, chords, fretboard, neck angle, and more..

**Rock climbing - Skydiving**

You can use these calculators to calculate canopy size, wing load, shock force, and free fall simulation.

**Scuba Diving**

You can use these calculators to calculate weight-belt, gas consumption, MOD, SAC, and more..

**Shooting**

You can use these calculators to calculate paintball trajectory, ballistic coefficient, distance, power, stability, and more..

**Soap making**

You can use these calculators to calculate water, Sodium Hydroxide, fragrance, lye, cost, recipe, and more..