Free tools for UK tradesmen
Quick, no-nonsense tools to help you price jobs, work out CIS and invoice clients — free, with nothing to install.
Money & admin
Free invoice generator
Fill in your details, add line items and VAT, preview it live and download a professional PDF invoice. No sign-up.
Create an invoice →VAT calculator
Add VAT to a net price or strip it out of a gross price at 20%, 5% or any rate. Instant net, VAT and gross.
Calculate VAT →CIS deduction calculator
Work out your CIS deduction (20% / 30%) and the net pay you'll receive after the contractor deducts it.
Calculate CIS →CIS tax refund estimator
Most subbies are owed money back. Estimate your CIS rebate from your income, expenses and deductions.
Estimate my refund →Day & hourly rate calculator
Not sure what to charge? Get a suggested day rate and hourly rate from your target take-home and costs.
Work out my rate →Late payment interest
Client paying late? Work out the statutory interest and compensation you're entitled to charge.
Calculate interest →Mileage claim calculator
Work out your business mileage allowance at HMRC's 45p / 25p rates for cars and vans.
Calculate mileage →Job & material calculators
Concrete calculator
Get the volume in m³ and the number of 25kg bags you need for a slab, footing or base.
Calculate concrete →Brick calculator
How many bricks for a wall? Based on 60 (single) or 120 (double) bricks per m², with waste added.
Calculate bricks →Paint calculator
Work out how many litres of paint you need from your wall area, coats and coverage.
Calculate paint →Tile calculator
How many tiles for a wall or floor? From your area and tile size, with cuts and breakages added.
Calculate tiles →Want all of this in your pocket?
Invoice My Job logs your jobs, handles CIS & VAT, and sends invoices in about 60 seconds — built for UK tradesmen.
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