Wingload for Skydiving vs Hoppkollen

A simple wing load calculator for skydiving. Wing loading is a measurement of how much total weight is supported by how large a wing, and is expressed in pounds per square foot. This tool lets you calculate your wing load using both metric and imperial units. You can also compare your wing loading on different sizes of canopies using the compare feature.

Hoppkollen is the member portal for SFK and SYD - two Swedish skydiving clubs. Use Hoppkollen to plan jump days, RSVP, coordinate with other approved club members through direct messages and channels, keep your digital logbook, sign jumps, follow student progression, manage gear and stay up to date with club announcements. For jumpers, the app makes the everyday club workflow faster: upcoming jump days, calendar sync, logbook entries, signatures, gear reminders, achievements and member profiles are all in one place. For instructors and admins, Hoppkollen supports student reviews, jump-day staffing, member management, moderation and operational announcements. Messaging is built for respectful club coordination. Members accept messaging guidelines before first use, can report messages or profiles, and can block other members. Reports are reviewed by club administrators. Hoppkollen is free to use. There are no in-app purchases, advertising or third-party tracking.