Price Rounding Rule
A price rounding rule defines how calculated prices are adjusted to clean, presentable figures, such as rounding every price up to the nearest whole unit.
What a rounding rule is
A price rounding rule is the policy that converts a raw calculated price into a tidy, menu-ready figure. When you apply a markup to a cost you often get an awkward number like 28.37; a rounding rule turns that into something deliberate, 28, 29, or 30, according to a consistent convention. Common conventions include rounding to the nearest whole unit, always rounding up, or snapping to charm prices such as those ending in 5 or 9.
Rounding sits at the end of the pricing calculation, after cost, markup, and VAT basis have been applied. It is presentational, but it still affects margin: always rounding up captures a little extra on every line, while rounding down concedes it.
Why it matters
On a wine list, inconsistent rounding looks unprofessional and complicates updates. A defined rule keeps a list visually coherent and ensures that when costs change and prices recalculate, the results stay clean automatically rather than needing manual tidying. For multi-venue groups, a shared rounding rule is part of presenting a consistent brand.
In a wine program, rounding should be a setting, not a manual chore performed every time a price moves. Vinius applies venue-grade rounding logic inside its pricing engine, so recalculated bottle and glass prices arrive already clean and consistent.
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