| What it does | Free fence calculators for posts, rails, pickets, panels, concrete and installed cost estimates
| Offline calculators for electricians, builders and HVAC technicians
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| Stage | Not given
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| Founded | Not given
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| Based in | US
| US
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| Pricing model | Free
| Freemium
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| Pricing | Not given
| 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 | - Material quantity calculators for posts, rails, pickets and concrete
- Installed cost estimates by material type and US state
- Support for multiple fence styles including privacy, picket, chain link, vinyl and split-rail
- Gate calculations and multiple layout options
- Published formulas and calculation methodology
- Planning guides covering post spacing, depth and frost lines by state
| - 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
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| What makes it different | - All formulas are published and explained on every calculator page
- Accounts for regional cost differences using construction cost index
- Covers multiple fence materials and styles in one set of tools
| - 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
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| Community votes | 0 | 0 |
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| DR (Domain Rating by Ahrefs) | 6 ● no change since last check | Not checked yet ● no change since last check |
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| Trust Flow (Majestic) | 4 | 0 |
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| Citation Flow (Majestic) | 17 | 13 |
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| Referring domains (Majestic) | 4 | 1 |
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CalcFence
BuildWire Calc