ModuleAvailable
Tools for each trade
The back-of-the-envelope sums, done right: quantities, cable sizes, slopes, outputs, VAT. Twenty tools for every trade.
- The result becomes a quote line
- Assumptions shown, values adjustable
Module
What it changes
- 1
Twenty calculators
Paint, tiles, concrete, roofing, insulation, heating, cable, stairs, applicable VAT, price and margin…
- 2
From sum to quote
The result becomes a quote line in one tap, with nothing to copy out.
- 3
You stay in control
Usual values are suggested and the assumptions shown: every figure can be changed.
The trade's tool
For your trade
The result becomes a quote line.
- Heating and air conditioningHeating output per room50 m³ living room, average insulation, 21 °C with −8 °C outside: about 1.5 kW.See the trade page
- Plumbing and bathroomsDrain slope4 m drain at 2%: an 8 cm drop from one end to the other.See the trade page
- ElectricalCable size and voltage drop25 m at 16 A in 2.5 mm², at 230 V: a 5.6 V drop, or 2.4%.See the trade page
- RoofingReal roof area and tiles8 × 5 m roof face on the ground, 35° pitch: 48.8 m², about 880 tiles at 18 per m².See the trade page
- JoineryStairs (Blondel formula)2.70 m to climb: 15 steps of 18 cm, 27 cm going (2r + g = 63 cm).See the trade page
- LocksmithsPrice and marginCylinder bought at €40, marked up 25%, plus one hour at €60: €110 excl. VAT.See the trade page
- Masonry and structural workSlab and concrete4 × 5 m slab, 12 cm thick: 2.4 m³, or 34 bags of 25 kg cement at 350 kg/m³.See the trade page
- Finishing tradesPaint40 m² of walls, two coats, 12 m² per litre, 10% wastage: 7.3 litres.See the trade page
- General contractorsWhich VAT rate1960 house lived in by its owner: 6% with the legal note, except a fossil-fuel boiler at 21%.See the trade page
Frequently asked questions
Your questions
Which calculation tools?
The sums for each trade: paint, tiles, slab and concrete, drain slope, cable size and voltage drop, roof area, stairs, heating output, price and margin, which VAT rate. The assumptions are shown and adjustable, and the result becomes a quote line.
Which trades is it for?
Every building professional, alone or in a small team: heating and air conditioning, plumbing, electrical, roofing, joinery, locksmiths, masonry and structural work, finishing trades, well drilling and pumps, and general contractors. You tick one or more trades when you create your account: the starter catalogue, the receptionist's questions and the calculation tools follow.
Trades
For your trade
The typical emergency, the questions and the sums change from one trade to the next.
The other modules
- AI receptionistShe answers when you can't, spots the emergency, books the slot and sends you the summary.
- JobsThe file that links the call, the customer, the appointments, the quotes and the payments.
- Compliant quotes and invoicesA quote in two minutes on your phone, accepted online, then the invoice with no retyping.
- Schedule and routeWho goes where, in what order, with how much driving: each team member has their own colour.
- Signed job sheetThe work done, the parts fitted and the hours, signed with a finger by the customer on your phone.
- Messages to customers, in their languageConfirmation, reminder the day before, "I'm on my way", quote, invoice, payment reminder, review request.
- Export for the accountantThe month's sales, split by VAT rate, in a file your accountant can use as it is.
Less phone, less paperwork
Create your account, confirm your listing and make your first quote today. You keep your number.