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Welcome To
TheNavalArch
Welcome to TheNavalArch!
We endeavor to become the richest hub for quality online resources for the Marine and Oil & Gas industries. We currently house an array of marine calculators which are handy and easy to use in design and operations. You may also wish to checkout our technical Articles which are in-depth and written by some recognized industry experts.
We’re based out of Singapore, and on the constant lookout for collaborators who are willing to share knowledge and content with the world. To share your ideas and feedback, feel free to write to us.
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
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.
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)
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.
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.
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).
Testimonials
What our Customers Say
You do a fine job of explaining the methodology and inputs to your spreadsheets which allows our people to make effective use of them immediately. We will certainly continue in the future, to purchase your products
Robert. P. HillYour spreadsheet is great, even better that the software I am used to.
I am using it in order to design fenders for a new Harbour in Montevideo.
Jose ZorrillaJust wanted to thank you for your assistance with the two technical analyses we conducted recently.
I was pleased with the work provided, which was very professional. In addition, your response to enquiries and requests for further analyses was always prompt, which was very much appreciated.
I look forward to working with you in the future.
Tony LaubreauxTheNavalArch’s products have been handy for us in getting reliable Engineering Calculations for critical Marine Operations like Mooring, Loadout and Towing which we carry out on a regular basis.
The Technical Support is prompt and helpful in clarifying doubts and queries. Technical Consultancy provided for Critical Loadout operations involving Ballasting and Stability Calculations have helped us deliver our projects timely.
Capt. M.S.Kulwant SinghSo far I have downloaded Lug and Cargo forces spreadsheets and use them daily and find them very useful.
I get similar results with my own spreadsheets so it’s great to have a double check as its very easy to make a mistake in a spread sheet
Kris DeckeThank you for the outstanding help we received during our project.
Your products have also been helpful to us in our operations.
AnnieGot a Question? Write to us.
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