OceanCalc

Affiliate Disclosure

OceanCalc may include links to products or services. If we participate in affiliate programs, we may earn a commission when you make a purchase through our links. This does not affect the price you pay. We only recommend tools and resources we believe are useful for our audience.

All Maritime Calculators

OceanCalc is a precision-focused maritime calculation platform built for sailors, navigators, and marine professionals. All formulas are derived from established navigation principles including great-circle computation, rhumb line navigation, and classical seamanship mathematics.

Hull SpeedRhumb LineGreat CircleBearing
NavigationDistanceWind & WavesSailing