| What it does | Offline calculators for electricians, builders and HVAC technicians
| Free cut list optimizer for sheet goods
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| Founded | Not given
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| Based in | US
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| Pricing model | Freemium
| Free
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| Pricing | Free: nine calculators (voltage drop, Ohm's law, watts to amps, concrete slab, roof pitch, board feet, BTU, CFM, BTU to kW), no time limit. Pro: $9.99 per year or $19.99 lifetime (one payment, no renewal).
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| Key features | - Wire sizing and voltage drop calculations
- Conduit fill and box fill calculations
- Offline operation with no network required
- Transparent calculation steps and NEC warnings
- Job organization and PDF/CSV export
- Motor and generator sizing calculators
- Power and conversion calculators
- Building calculations for concrete and roof pitch
- No ads and no account required
- Private with data staying on device
| - Optimize cutting layouts with minimal waste
- Calculate number of sheets needed
- Cabinet designer with drag-and-drop interface
- Numbered cutting order for safe sequence
- Offcut tracking across projects
- PDF and print export
- Saw kerf calculation
- Mobile-first design for use at the workbench
- Metric and imperial measurements
- No sign-up required to start
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| What makes it different | - Works completely offline with no network or cellular signal required
- Private by design with no account, no ads, and calculations never leaving your device
- Shows exact NEC formulas and calculation steps so you can verify results before fieldwork
- Over 35 specialized calculators covering electrical, building and HVAC trades
- Tested code with automated tests against independently worked examples
| - 100% free with no sign-up, account limits or paywall
- Retailer-neutral - independent tool not tied to any store
- Calculations run locally in your browser with no server
- Optional free account for syncing projects across devices
- Built for actual woodworking practices with offcut reuse
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| Community votes | 0 | 0 |
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| DR (Domain Rating by Ahrefs) | Not checked yet ● no change since last check | Not checked yet ● no change since last check |
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| Trust Flow (Majestic) | 0 | 0 |
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| Citation Flow (Majestic) | 13 | 13 |
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| Referring domains (Majestic) | 1 | 4 |
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BuildWire Calc
cutlistlab