Tide Signal Tools
Maritime Tools
Practical maritime calculators and quick-reference tools for voyage planning, chartering, cargo operations and regulatory checks.
Live Maritime Tools
Simple tools built for fast checks, operational review and shipping calculations.
Maritime Converter
Convert nautical miles, kilometres, knots, metric tons, long tons, barrels, cubic metres and bunker-related quantities.
Open tool LiveVoyage ETA Calculator
Estimate sea time, sea ETA, practical distance, average daily run and optional fuel cost from voyage distance and speed.
Open tool LiveVoyage Margin Calculator
Review freight, bunker cost, voyage expenses and commercial margin through a practical voyage economics calculation.
Open toolComing Soon
Additional calculators planned for chartering, port delays, fuel cost and regulation.
Port Delay Cost Calculator
Estimate how waiting time, congestion and berth delay can affect voyage cost and commercial exposure.
Laytime & Demurrage Calculator
Support basic laytime and demurrage checks using agreed time, used time and daily demurrage rate.
EU ETS Estimate Tool
Create indicative carbon cost checks for voyages affected by EU ETS maritime rules.
Fuel Cost Calculator
Estimate total fuel cost from daily consumption, voyage duration and bunker price.
Cargo Intake Calculator
Support indicative cargo intake checks linked to draft, bunkers, constants and operational assumptions.
Statement of Facts Helper
Organise key port call events for easier operational and chartering review.
Practical Maritime Calculators for Shipping Workflows
Tide Signal Tools are designed as quick-reference maritime calculators for shipping professionals, officers, operators, chartering teams, students and analysts. The tools support common checks related to voyage planning, vessel speed, fuel cost, cargo quantities, port delays and commercial voyage assumptions.
Built for Quick Checks, Not Official Decisions
The tools are intended for indicative calculations only. They can help users review assumptions, compare scenarios and understand the relationship between distance, speed, time, fuel and cost. They do not replace official passage planning, vessel performance data, charterparty terms, cargo documents, bunker delivery notes or professional operational review.
How the Tools Connect with Tide Signal Guides
Each calculator is connected with Tide Signal Academy and operations guides. Readers can use the tools while reviewing articles on voyage planning, pre-stowage planning, port delays, laytime, bunker exposure, carbon cost and maritime regulation.
Related Reading
Maritime Tools FAQ
What are Tide Signal Maritime Tools?
Tide Signal Maritime Tools are practical calculators and quick-reference tools for shipping, voyage planning, chartering, cargo operations and regulatory checks.
Are the tools free to use?
The main tools are available as free quick-reference calculators. Some advanced tools or deeper commercial reports may be added later as premium features.
Can these calculators be used for official voyage planning?
No. They are intended for indicative calculations only. Official voyage planning must follow approved passage plans, company procedures, navigational publications, weather routing and vessel-specific data.
Which tools are currently live?
The live tools include the Maritime Converter, Voyage ETA Calculator and Voyage Margin Calculator.




