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Missed Call Cost Calculator
Quantify the revenue HVAC, plumbing, and electrical shops lose when calls go unanswered: enter your call volume, miss rate, booking rate, and average job value with trade-specific defaults.
Free tools for contractors
Free Electrical Business Tools
Free calculators, templates, and generators built for Electrical contractors. Price jobs, download documents, and grow your shop without paying for generic software.
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Every trade gets its own calculators, templates, and generators, plus universal tools that work for any contractor.
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Featured Electrical Tools
Start with the calculators and templates contractors in your trade use most.
Technical
Wire Size Calculator
Size copper or aluminum conductors per NEC Table 310.16 ampacity, with ambient temperature correction, bundling derating, voltage drop check, OCPD recommendation, and equipment grounding conductor per Table 250.122.
Electrical Generators
Auto-generate review links, business names, slogans, and job descriptions.
Generator
Google Review Link Generator
Generate a Google review link for follow-up texts and invoices.
Generator
Business Name Generator
Electrical company name ideas that convey trust and expertise.
Generator
Slogan Generator
Generate marketing taglines for your electrical brand, van wraps, and yard signs.
Generator
Job Description Generator
Write electrician, apprentice, and dispatcher job postings faster.
Electrical Calculators
Math-based tools for pricing, margins, overhead, and technical sizing.
Calculator
Profit Margin Calculator
Calculate net profit per electrical job including materials and labor.
Calculator
Labor Rate Calculator
Calculate your fully loaded billable hourly rate: base wage, payroll burden, workers’ comp, benefits, overhead recovery, and target net profit using the industry divisor method.
Calculator
Job Pricing Calculator
Price HVAC, plumbing, and electrical jobs with cost-plus formulas: loaded labor, materials, overhead recovery, and target net margin using the industry divisor method.
Calculator
Bid Calculator
Build a winning bid from the ground up (materials, labor, overhead, and profit margin) so every quote covers your true cost and hits your target margin.
Calculator
Service Price Calculator
Set a flat-rate service price from your true cost (loaded labor, materials, overhead, and target margin) so every service call is priced for profit, not guesswork.
Signature
Missed Call Cost Calculator
Quantify the revenue HVAC, plumbing, and electrical shops lose when calls go unanswered: enter your call volume, miss rate, booking rate, and average job value with trade-specific defaults.
Calculator
Break-Even Calculator
Find the monthly revenue and jobs your electrical shop needs to cover all overhead and costs.
Calculator
Employee Cost Calculator
True hourly and annual cost of an electrician after payroll taxes, workers’ comp, benefits, and truck.
Calculator
Labor Cost Calculator
Find the total burdened labor cost for one job, loaded hourly cost (wage + burden) × hours × crew, and see labor as a percent of the job price.
Calculator
Crew & Subcontractor Cost Split Calculator
Split one job’s revenue and cost across your crew, subcontractors, and materials, and see the margin you keep on each.
Calculator
Equipment ROI Calculator
See if a bucket truck, tool, or machine pays for itself: payback period and return on investment.
Calculator
Financing Calculator
Turn a panel upgrade or rewire into an easy monthly payment and compare total interest by term.
Calculator
Markup & Margin Calculator
Turn part and material cost into the right sell price: convert markup to margin (and back) and stop underpricing every job.
Calculator
Marketing ROI Calculator
Measure ROI, ROAS, cost per lead, and CAC on your electrical ad spend and lead sources.
Calculator
Business Valuation Calculator
Estimate what your business could sell for using the SDE × multiple method, with value drivers, a likely price range, and a revenue cross-check.
Technical
Wire Size Calculator
Size copper or aluminum conductors per NEC Table 310.16 ampacity, with ambient temperature correction, bundling derating, voltage drop check, OCPD recommendation, and equipment grounding conductor per Table 250.122.
Technical
Voltage Drop Calculator
Calculate voltage drop over conductor run length using NEC Chapter 9 Table 8: check drop percent, find minimum wire size, or maximum circuit distance for branch circuits and feeders.
Technical
Conduit Fill Calculator
Check conduit fill against NEC Chapter 9 Table 1: pick the raceway and trade size, add conductor rows, and get fill percentage, PASS/FAIL against the 53/31/40/60% limit, remaining capacity, and the minimum trade size that passes.
Technical
Ohm’s Law Calculator
Solve any two of voltage, current, resistance, and power using the complete 12-formula Ohm’s law wheel: enter what you know and get the rest instantly, with the formula used shown for each result.
Technical
Watts to Amps Calculator
Convert between watts, amps, and volts for DC, single-phase, and three-phase AC circuits, with a power-factor input and the √3 factor for three-phase, so the amperage matches real loads.
Technical
Conduit Bend Calculator
Calculate offset, 90° stub-up, and three-bend saddle marks for EMT hand bending: multiplier, shrink, take-up, and exact bend-mark locations for any depth and angle.
Technical
Motor FLA Calculator
Look up motor full-load amps from NEC Table 430.248 (single-phase) and 430.250 (three-phase) by horsepower and voltage, with 125% conductor sizing and branch breaker/fuse maximums.
Technical
Transformer Sizing Calculator
Size a dry-type transformer from connected load in kVA, amps, or kW: get the recommended standard kVA rating, primary and secondary full-load amps, NEC Table 450.3(B) overcurrent protection, minimum conductors, and spare capacity.
Technical
Box Fill Calculator
Calculate required box volume per NEC 314.16 (conductor fill by AWG, cable clamps, fixture studs, device yokes, equipment grounds, and terminal blocks) then check it against Table 314.16(A) volumes or your box’s marked volume.
Technical
Generator Sizing Calculator
Size a standby generator from a real load list: total running watts, peak starting watts with the largest motor started last, required kW and kVA, the next standard genset rating, and transfer switch amps.
Technical
Electrical Load Calculator
Calculate a dwelling service load per NEC 2023 Article 220, standard method (220 Part III) or optional method (220.82), with Table 220.45 lighting demand, Table 220.55 cooking demand, dryer and fastened-appliance factors, heating vs A/C largest-of, EVSE, and the recommended service size.
Why tools?
Why Electrical contractors need the right tools
Electrical contractors juggle emergency calls, seasonal demand, flat-rate pricing, and crew scheduling, often from the cab of a service truck. Free tools help you quote faster, document consistently, and spot margin problems before they show up on your P&L.
CloseCrew built these electrical resources for shops that want to look established from day one. Run the missed call cost calculator to see what voicemail is costing you. Download templates your techs will actually use. Then let Crew handle inbound calls while you focus on the work.
Explore resources
Related resources for Electrical contractors
- Browse templates
Business Templates
Free downloadable documents for electrical contractors.
- Read guides
Contractor Blog
Guides on pricing, hiring, marketing, and operations.
- View states
Electrical Licensing
State licensing requirements, exams, and renewal rules for electrical contractors.
- Get a demo
Book a demo
See how Crew answers calls and books jobs for your team.
- Follow the work
Watch the work before you hear from us
Diagnostics, installs and the odd bad attic, from contractors who film their own jobs.
Worth asking before you book
Electrical tools FAQs
Yes. Every tool on CloseCrew is free to use. We built it for electrical contractors who need professional business resources without paying for generic software.
No account is required to run calculators or try generators. Some downloads may ask for your email so we can send you a copy, you can unsubscribe anytime.
Absolutely. Enter your own numbers, customize templates with your logo and pricing, and use the results in your daily operations.
Many contractors use CloseCrew tools alongside Crew, your AI receptionist, to stay organized while every inbound call gets answered. Tools help you quote smarter; Crew helps you capture every lead.
