Alcohol Calculator
Calculate bottles of wine, lager, and spirits (70cl) for your guest list.
Launch Tool →Budget Allocator
Smartly split your pot. Includes a "London Wedding" toggle for higher venue costs.
Launch Tool →Cake Size Calculator
Coffee portions vs Dessert portions. Know exactly what tier sizes to order.
Launch Tool →Confetti Calculator
Biodegradable petals are sold by the litre. Find out how much you really need.
Launch Tool →Why use WeddingCalculator.uk?
UK Measures
No "Gallons" or "Ounces". We use Litres, 70cl bottles, and £GBP.
Money Saving
Our formulas are designed to prevent over-buying and waste.
Free Forever
No sign-ups or paywalls. Just instant answers.