Wedding Cake Calculator — Size & Tiers
Choose the right wedding cake size and tiers for your guest count.
Total number of people attending
Cake style
Portion size
Number of tiers
Amount in pounds sterling
How We Calculate This
This calculator recommends cake size based on guests and portion size.
Formula
- Portions = number of guests
- Total weight = portions x portion size (g)
- Recommended tiers based on guest count
- Cost = portions x cost per portion
Frequently Asked Questions
Related Calculators
Wedding Guest Calculator
Plan your wedding guest list with separate day and evening numbers, plus ones and expected attendance rates. Free online wedding planning tool.
Wedding Budget Calculator
Create a comprehensive wedding budget covering venue, catering, flowers, photography and every other category. Track your spending. Free calculator.
Wedding Flower Calculator
Calculate flower quantities for your wedding ceremony, reception, bouquets and table arrangements. Plan stems and costs. Free online calculator.
Wedding Favour Calculator
Work out wedding favour quantities and costs for your guests, including packaging, contents and spare favours. Free online wedding calculator.
Bridesmaid Bouquet Calculator
Plan bouquet sizes and flower quantities for the bride, bridesmaids, flower girls and buttonholes for your wedding party. Free online calculator.
Last updated: February 2026
All calculations are estimates. Adjust quantities based on your guests and event type.