Ceres Calculators

A growing collection of practical calculators designed for fish & chip shops, takeaways and foodservice businesses to improve pricing, margins, food cost control and operational decision-making.

Markup vs Margin

Compare markup and gross profit margin or calculate required selling prices.

Gross Profit Calculator

Calculate gross profit, VAT and margin percentages from selling prices.

Chilled Fish Count Calculator

Calculate fish cost, VAT contribution, gross profit and gross margin per portion.

Frozen at Sea Fish Calculator

Analyse yield, waste, moisture loss and portion profitability.

Food Cost to Turnover

Track food costs as a percentage of turnover excluding VAT.

Labour Cost Percentage

Measure labour costs against turnover to monitor operational efficiency.

Weekly Shop Cash Flow

Estimate weekly cash flow, outgoing costs and operating performance.

Energy Costs Percentage

Understand energy spend as a percentage of weekly turnover.

Delivery Aggregator Fee Calculator

Calculate selling prices required to offset aggregator commissions.

Curry Sauce Calculator

Calculate sauce yield, portion costs, VAT and gross profit.

Gravy Mix Calculator

Estimate gravy yield, cost per portion and profitability.

Fishcake Mix Calculator (Simple)

Quickly calculate fishcake mix yield, portions and profit margins.

Fishcake Mix Calculator (Advanced)

Advanced costing and profitability calculator for fishcake production.

Potato Peeling Yield

Measure waste percentage and usable potato yield after preparation.

Chips Yield Loss

Track chip shrinkage and yield loss through cooking.

Weight Conversion

Quickly convert between grams, ounces, pounds and kilograms.

VAT Calculator

Break down VAT-inclusive pricing and understand tax contribution.

These calculators are designed as practical guides for shop owners and operators. They use common UK foodservice assumptions, including VAT-inclusive selling prices where relevant, but should always be checked against your own costs, yields and accounting advice.