Locksmith
Smart Lock Cost Calculator
Prices a smart lock, where the interesting costs are the ones that recur.
Result
A planning estimate, not a quote. Access, the age of the equipment, what is found once it is opened up and local labour rates all move the real figure, sometimes a long way.
Get a Free Business AuditHow the calculation works
Time, hardware and the call-out, with setup time that a mechanical lock does not need: pairing, network configuration, code and user setup, and showing the customer how it works. The hardware is more expensive than mechanical and the installation is comparable, so the purchase price comparison is straightforward. What the arithmetic does not show is the ongoing side. Batteries need replacing on a cycle, some products charge a subscription for remote features or history, and a lock dependent on a hub or a cloud service inherits that service's reliability and lifespan.
What moves the number
- Whether it needs a hub or bridge, which adds hardware and a point of failure.
- Subscription for remote access, logging or integrations, which is a recurring cost some products require.
- Battery type and expected life, since a dead battery on a keyless lock is a lockout.
- Whether a mechanical key override exists, which changes what happens when the electronics fail.
Where this one goes wrong
Make sure there is a way in when the electronics fail, and make sure the customer knows what it is. A keyless lock with a dead battery and no mechanical override is a lockout that costs more than the lock. Many products provide a key cylinder, an external battery terminal or a code accessible offline, and confirming which applies is part of a competent installation. The other thing worth raising honestly is that a smart lock's convenience is real and its security is not automatically better than a good mechanical deadbolt, since the door and frame remain the weak point either way. A smart lock on a weak strike is a smart lock on a weak strike.
Before you quote
- Confirm and demonstrate the override path for a dead battery.
- Tell the customer about any subscription before fitting.
- Check the strike and jamb, since the electronics do not strengthen the door.
Questions
About this calculator
What happens if the battery dies in a smart lock?
It depends on the product. Many have a mechanical key override, an external terminal to jump the electronics, or an offline code. Some have none, in which case a flat battery is a lockout. Establishing which before fitting, and telling the owner, is part of doing the job properly.
Are smart locks more secure than a deadbolt?
Not inherently. They remove the risk of copied keys and let you revoke access, which are real benefits, but the physical resistance still comes from the bolt, strike and frame. A smart lock on a poorly fixed strike is no harder to force than a mechanical one on the same door.
Do smart locks need a subscription?
Some do for remote access, access history or integrations, and some work fully offline. It is worth establishing before buying, because a recurring fee changes the comparison against a mechanical lock considerably over a few years.
The formula
total = hours x people x rate + parts + call-out, then sales tax
Put this calculator on your site
Free to embed. Paste this where you want it to appear. It stays up to date automatically because it loads from BDEVY.
Please keep the attribution line. It is the only thing we ask in return.
How to use this calculator
- Hours on site (h). Enter your own figure; the page starts at 0.8 h.
- People needed. Enter your own figure; the page starts at 1.
- Labour rate charged ($). Enter your own figure; the page starts at $120.
- Parts and materials ($). Enter your own figure; the page starts at $35.
- Call-out or diagnostic fee ($). Enter your own figure; the page starts at $95.
- Sales tax (%). Leave at zero if you are quoting before tax.
The result updates as you type, so you can try a figure, see what it does to estimated total, and change it back. Nothing you enter is sent anywhere or saved.
A worked example
These are the figures the calculator opens with. Every number in the results column below is produced by the same calculation the page runs, so you can follow it through before putting your own figures in.
What goes in
| Input | Value |
|---|---|
| Hours on site | 0.8 h |
| People needed | 1 |
| Labour rate charged | $120 |
| Parts and materials | $35 |
| Call-out or diagnostic fee | $95 |
| Sales tax | 0% |
What comes out
| Result | Value |
|---|---|
| Estimated total main result | $226 |
| Labour | $96 |
| Before tax | $226 |
| Sales tax | $0 |
About $226: $96 of labour, $35 of parts and a $95 call-out.
How sensitive the answer is
Holding everything else steady and changing only labour rate charged, this is what happens to estimated total. It is worth knowing which of your inputs the answer actually hinges on, and which barely move it.
| Labour rate charged ($) | Estimated total |
|---|---|
| $60 | $178 |
| $90 | $202 |
| $120 example above | $226 |
| $180 | $274 |
| $240 | $322 |
Every other input is held at the example value while this one changes, which is not how a real job behaves. Treat it as a guide to which number matters most, not as five separate quotes.
What each figure means
- Hours on site (h)
- Measured in h, between 0 and 400, starting at 0.8 h.
- People needed
- A number, between 0 and 40, starting at 1.
- Labour rate charged ($)
- A money amount, starting at $120.
- Parts and materials ($)
- A money amount, starting at $35.
- Call-out or diagnostic fee ($)
- A money amount, starting at $95.
- Sales tax (%)
- Leave at zero if you are quoting before tax.
What the results tell you
| Result | What it is |
|---|---|
| Estimated total | The headline result. A money figure. |
| Labour | A money figure. |
| Before tax | A money figure. |
| Sales tax | A money figure. |
Estimating is the easy part
The jobs you never hear about cost more than the ones you mis-measure. BDEVY builds the marketing, systems and automation that bring them in.