Calculators

Harken product specifications are shown in both imperial and metric measurements. In most cases, the metric dimension shown is calculated…

Because wind speed is squared, it is the most important variable and can greatly influence loading. Wind speed (the apparent wind) should be…

The formula for mainsheet loading is not as widely accepted as that for genoa sheet loads and should only be used as a rough guide for offshore…

1) Search for your boat. 2) Select it from the search results. 3). Enter a wind speed in knots. 4) Click calculate to calculate your max…