Generic selectors
Exact matches only
Search in title
Search in content
Search in posts
Search in pages

Intuitive, Easy to use

Marine Calculators

From Design to Operations in easy to use Spreadsheets

Our Calculators form an essential part to every Marine/Offshore professional’s Kit

Designed to Save your Time and Money

Based on credible references and literature

Downloaded by thousands of our trusted clients

High acceptability by MWS, Class and other approval authorities

Marine Transportation

Pad-eye Design Spreadsheet

Not sure if the existing lifting lug can take the loads? Or want to design a new lug for cargo sea-fastening? This spreadsheet provides a rigorous design for a pad-eye and is one of our bestsellers. A suite of other apps helps you design the structural accessories like stoppers, dog-plates, bollards stanchions and lashings 

View the Pad-eye calculator

View All products in Marine Transport

Towing Operations

Bollard Pull Calculators

Looking for the tug for your charter barge or ship? Use these tools to select the right sized tug and avoid losing money going for an over-sized tug based on thumb rules. Further use our towing bridle design spreadsheet to complete your tow equipment selection. Hundreds of our clients have trusted these for their critical towing operations.

View Bollard Pull Calculator for Barges

View All Products for Towing Ops

Marine Operations

Mooring Design Spreadsheets

Unsure about the mooring design of your upcoming berthing operation. Evaluate your design using our mooring calculators. Further, use our calculators based on OCIMF standards to know the environmental loads on your tanker or gas carrier.

View the Mooring Design App for berthing (Port/Stbd on Quay)

View All Products for Marine Operations

Ship Corrosion

Cathodic Protection Design

Worried about how many anodes will be needed to provide complete protection from corrosion for your ship, boat or offshore structure? This spreadsheet, based on DNV RP-B-401 gives a precise number based on a user selected anode design.

View Cathodic Protection App >>

View All Products in this Category >>

Ship Design

Ship Stability Calculator

Want to run a quick check on the stability and trim of your vessel without having to go through an elaborate software? With pre-fed hydrostatics and tank particulars, our extremely handy tool Shipload calculates the stability and trim parameters in a flash.

View Shipload

View All Ship Design Products >>

Ship Efficiency

Ship EEDI Calculator

Are you spending thousands of dollars on evaluating the EEDI of your vessel in the design or sea trial stage? Use this comprehensive, reliable and easy-to-use application to calculate your vessel’s Energy Efficiency Design Index (EEDI).

View All >>

Can't find what you need? Let us know

10 + 7 =