Reef Aquarium Calculators

Professional reef calculator tools for saltwater aquarium management, dosing, and water testing

6+ Calculators
Mobile Optimized
Multi-Language

Professional Reef Aquarium Calculations

Our comprehensive reef calculator suite is designed by experienced reef aquarists for marine aquarium enthusiasts. Calculate precise dosing amounts, water volumes, salinity levels, and nutrient balances to maintain optimal reef tank conditions and ensure healthy coral growth.

Why Choose Our Reef Calculators?

Trusted by thousands of reef keepers worldwide, our calculators provide the accuracy and reliability you need for successful saltwater aquarium management.

Laboratory-Grade Accuracy

Calculations based on proven scientific formulas used by marine biologists and professional aquarists

Intuitive Interface

Simple, user-friendly design that works perfectly on desktop and mobile devices

Complete Calculator Suite

Everything you need for reef aquarium management in one convenient location

Always Free

Professional-grade reef calculators available at no cost to the aquarium community

Accurate

Precise calculations for optimal results

Mobile Friendly

Use anywhere, anytime on any device

Community Driven

Built by the reef community

Suggest New Calculators & Features

Have ideas for new calculators, additives, or improvements? We'd love to hear from you! Help us make the reef community's favorite calculator suite even better.

What can we add?

New calculators
Additive databases
Feature improvements
New features

Get in touch with us:

contact@reefnote.com
Send Email

We typically respond within 24-48 hours