Healthcare & emergency services
Night shifts, changing rosters and short recovery windows need a clear overview.
Fire services & security
Long and rotating duties make reliable planning of work and shared time especially valuable.
Manufacturing & logistics
Early, late, night, Sunday and holiday work can be estimated with your own contractual rates.
Share a useful tool—not an advertisement
If a calculator answers a concrete question in your team or community, link directly to that calculator. Please describe what it calculates and mention that results are estimates.
Why Shift Lion?
Calculators work directly in the browser.
Formulas, limits and sources are visible.
Tools and app understand rotating work patterns.