These Air and Sea Calculators (aka Aviation and Maritime Calculators) are part of the suite of free online engineering calculators designed and maintained by iCalculator. Please choose one of the air and sea calculators from the selection below. If you are looking for a bespoke air and sea calculator for a certain air and sea calculation that is not featured in our suite of engineering calculators, please contact us and we will build the air and sea calculator and add it to our engineering suite for you and our other communities free use online.