Transparent Pricing
Basic Logistics are Free.
Structural Math is Premium.
Use our muck away and soil swell calculators completely free. Upgrade to Premium to unlock layer-by-layer aggregate tonnages, pipe displacement, and your digital Site Log.
Basic Tool
Free
Perfect for quick, on-the-fly grab lorry estimates. No account required.
Use Free Tool- ✓ Calculate basic pit & trench dimensions
- ✓ UK soil swell & bulking factors
- ✓ 16T grab lorry capacity outputs
- ✕ Pipe & ring structural displacement
- ✕ Type 1 MOT & aggregate tonnages
Full Access
Premium Pro
£100
/ user / month
+ VAT where applicable
Full structural calculations and site logging. Allocate seats for your entire team.
Subscribe Now- ✓ Everything in Free, plus:
- ✓ Automatic pipe OD displacement formulas
- ✓ Precast concrete ring manhole volumes
- ✓ Layer-by-layer aggregate & Type 1 tonnages
- ✓ Save records to your digital Site Log
- ✓ Multi-seat management for teams
✅
Cancel Anytime.
DigFill Premium is a rolling monthly subscription. If the DigFill engine doesn't save your site management loop more than its £100 monthly overhead in prevented material waste, simply turn off your subscription in your dashboard. You will retain full access until the end of your paid billing cycle.
Questions
Frequently Asked Information
Is the muck away calculator really free? ▼
Yes. Our core muck away and soil swell calculator is completely free. You can calculate solid trench volumes and convert them into loose 16T grab lorry counts without ever creating an account.
How do I cancel my subscription? ▼
You can cancel your subscription at any time via your account dashboard. Your access will remain active until the end of your current monthly cycle.
I run a team. Can I pay for my site agents? ▼
Yes. A single company director or site manager can subscribe and purchase multiple "seats" from their dashboard, allocating premium access to field operators and engineers under one simple billing cycle.