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NHVR hours calculator: know your time remaining

Check your remaining hours against the HVNL limits at any point in a shift. Logmaster counts work and rest to the minute and alerts you before a breach.
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TRUSTED BY MORE THAN 10,000 DRIVERS

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What Is an NHVR Hours Calculator?

An NHVR hours calculator checks your work and rest against the limits in the Heavy Vehicle National Law, so you know how long you can keep going before you must rest.

Which limits apply depends on how you operate: Standard Hours by default, Alternative Compliance Hours for operators with ACA-Fatigue accreditation, or the limits on an existing BFM or AFM accreditation. Bus and two-up drivers have their own tables too.

Logmaster does the calculation inside the work diary itself, so drivers see their time remaining with every entry and get a warning before a breach.
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NHVR Hours in Your Pocket

The NHVR limits run across several rolling windows at once. Logmaster keeps the count across them as you make entries.
Minute-by-minute logging icon

Every minute counts

Paper locks you into 15-minute blocks, but the app records single minutes, so your total against each NHVR limit is exact.
Less paperwork icon

Done in a few taps

Entries are prompts you answer, not lines you rule. Your log sheets then reach the record keeper every week without any action from you.
Fatigue breach alert icon

Breaks, on time

Notifications tell you when your next rest break is close, and the time left before a limit is always visible. Acting on them early is the simplest way to stay clear of a breach.
Offline mode icon

No signal, no problem

No signal doesn't mean no record. Logmaster carries on in offline mode, keeping entries on the device, and syncs them automatically once you're connected again so nothing has to be re-entered.
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Built for contract drivers

Work for more than one operator? Keep a single diary across all of them, and each company can receive your log sheets.
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What the Office Gets

The office sees each driver's hours against the NHVR limits as they're logged, which helps with planning and heads off late swaps.

Live visibility

Alerts for potential breaches sit at the top of the web portal, so they're handled before they happen.

One system, every record

Diary entries, checks and declarations are kept securely and can be found again quickly.

Fewer surprises

Potential breaches are flagged during the shift, so they're dealt with on the day rather than found at audit.

Smarter scheduling

When upcoming limits are visible for each driver, choosing who takes a job is quicker and delays from expired hours drop.

Easy onboarding

Drivers moving off paper find the guided screens easy, because the app does the NHVR maths.

Phone or supplied tablet

Drivers can use their own devices, or Logmaster can supply tablets and truck mounts for operators who prefer dedicated hardware.

Electronic Work Diary vs Paper Logbook

Paper or electronic? Here's how they compare.
Electronic Work Diary
Paper Logbook
One minute accuracy
Fifteen minute blocks
Automatic syncing
Manual entries
Easy to read and access
Handwriting varies
Real time operator visibility
No live oversight
Secure cloud storage
Can be lost or damaged
Faster audits and reporting
Time consuming
Paper leaves the hours sum to you. Electronic records do it as you go.
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How Logmaster Works

Here's how a shift runs with Logmaster.
Step 1

Install the app

Install from your app store, sign in and you're ready to start counting.
Step 2

Do your pre-start

Pre-start and fitness declaration come first, on screen, and the office has them instantly.
Step 3

Log work and rest

Each work or rest entry updates your totals against the NHVR limits for your rule set.
Step 4

Stays in sync

Records made out of range aren't lost. They stay on the phone and move to the cloud by themselves when coverage returns.
Step 5

Record keeper portal

The record keeper portal shows new entries as they happen, with alerts pointing to what to check first.
Step 6

Audit-ready exports

Have reports sent on a regular schedule, or export records at any time.

What's Included

1. Accurate one minute recording
2. Offline functionality for uninterrupted use
3. Live visibility for fleet managers
4. Fatigue reminders and breach alerts
5. Driver declarations and vehicle checks
6. Secure cloud storage
7. Multi company support for contractors
8. Fast export for audits and reporting
9. Fatigue rule sets including Standard Hours, BFM, AFM, WA plans and bus rules
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Logmaster app on a phone and tablet

Who It Helps

From the driver checking time left to the owner checking the fleet, everyone has a use for it.
User Type
Benefit
Truck drivers
Easier logging and clear alerts
Transport operators
Real time visibility and compliance
Compliance managers
Reliable logs for inspections
Owner drivers
No paperwork and simple routines
Subcontractors
Easy switching between employers
A single set of hours for everyone cuts down on disputes and makes audits faster.

Why Operators Count on Logmaster

Logmaster's hours counting runs inside an NHVR approved diary used by more than 10,000 drivers. Fleets including PFD Food Services, Cleanaway and Greyhound Australia rely on it, and it holds ISO 27001 certification for information security. It suits one truck or hundreds, and it's updated as the HVNL changes.
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Hear from Our Users

Ray A.

First day with Logmaster was to my surprise was user friendly. Josh was very thorough in taking me through all the steps in setting up the Logmaster app. I would recommend Logmaster to all drivers regardless of age. Never have to worry about making a mistake as it tells you if you are. Great customer service after hours support is second to none.

Mike H.

Have started using Logmaster after trying 3 other models. I actually enjoy using it. Very easy to use and follow and the help if you need it is top notch by the developer. Does everything by the minute and works when no service is available. My system is customised for me and fits well with my system (I’m WA). Cost is on par with two of the other ones looked at.

Frequently Asked Questions

Let the Diary Count Your Hours

Get a diary that measures every entry against the NHVR limits and warns before a breach. Logmaster is NHVR approved and supports Standard Hours and existing BFM or AFM accreditations, so drivers and operators keep accurate, audit‑ready records each shift.

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