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💰 Job Costing Calculator

Everything you need to know — takes 2 minutes to read.

👤 Your Details

First time: Fill in your name, Gas Safe number, phone and email then tap Save My Details. From that point on, they auto-fill every time you open this page — you never need to type them again. If you need to update them, just change the fields and hit Save again.


🔍 Searching for a Customer

Type any part of a customer's name, address or postcode in the search box. Customers saved in your Customer Hub will appear in the dropdown — tap one to fill in their details instantly. For a new customer you've never saved before, just fill in the fields manually.


⚡ Quick Add Buttons

The Common Jobs and Common Parts buttons add a line item with the description already filled in — just enter your price. You can add as many line items as you need and remove any with the Remove button.


🧮 VAT

VAT is set to 20% by default. If you're not VAT registered, set it to 0% and no VAT will be added or shown on the invoice. The total updates automatically as you type.


🏦 Bank Details & Terms

Enter your bank details and terms & conditions once, then tap Save Payment & Terms. They auto-fill every time you open this page and print clearly on every invoice so the customer knows exactly how to pay and what your terms are.


📄 Generating the Invoice

  • Click Generate Invoice when everything is filled in.
  • A professional PDF downloads automatically to your device.
  • The PDF includes your details, customer details, all line items, VAT breakdown, total, bank details and your terms.
  • You can email or WhatsApp the PDF directly to the customer from your phone.

🖼 Company Logo

You can upload your company logo and it will appear on the invoice. The logo is saved in your browser so it reloads automatically next time.

Job Costing Calculator

Generate professional quotes and invoices

Your Details

✅ Auto-filled from your saved details

Customer Details

✅ Filled from your saved customers

🔍
Quick Add Common Jobs
Quick Add Common Parts
Job Items
Settings
Payment & Terms

Saved once — auto-fills every time and prints on every invoice.

Subtotal: £0.00
VAT (20%): £0.00
TOTAL: £0.00