Tools & Calculators
A catalog of trade calculators for field checks, shop math, and planning estimates. Search by work, material, standard, or category.
Productivity
25 live toolsEstimating and crew math for people who bid the work: markup vs margin, labor burden, shift schedules, project plans.
Showing Productivity tools. 25 shown.
Tools in Productivity
Shops & Outbuildings
87 toolsOutbuildings
22 toolsMachining & Welding
10 toolsBearings
9 toolsPlant Maintenance
24 toolsInstrumentation
18 toolsPipefitting
4 toolsIndustrial
44 toolsSafety
37 toolsElectrical
35 toolsProductivity
25 toolsAnnual Income Calculator
Calculate total annual income from hourly wages with overtime, shift differential, and secondary income sources. Includes federal tax estimate and pay period breakdowns.
Apprentice Hours Tracker
Track OJT and classroom hours toward journeyman status for 15 trades. Shows wage step progression, projected completion date, and pace indicator.
Bonding Capacity Estimator
Estimate surety bonding capacity from working capital, net worth, and backlog. Financial strength scoring with single job and aggregate program limits.
Break & Lunch Compliance Checker
Check meal and rest break requirements for all 50 states. Shows required breaks for your shift length, premium pay penalties for violations, and federal FLSA rules.
Change Order Cost Calculator
Calculate the true cost of a change order including direct costs, extended overhead, remobilization, rework, engineering, and bond adjustments. Shows what contractors leave on the table when they only price direct costs.
Crew Rotation Visualizer
See all crews on one timeline. Visualize multi-crew shift coverage across days, weeks, and months. Spot handoff gaps, compare rotation patterns, export PDF timelines, and download ICS calendar files. Built for operations managers and plant schedulers.
DIY Project Plan Builder
Step-by-step build plans for mini-split installs, generator setups, shop heaters, outbuilding wiring, and water heater replacements. Get sized tool and material lists based on your calculator results.
Davis-Bacon Prevailing Wage Calculator
Calculate Davis-Bacon prevailing wage pay with correct overtime rules where fringe stays flat. Compare cash-vs-benefits tax savings, annualize fringe credits, and compute apprentice wage steps.
EV vs Gas Car Cost Calculator
Compare real-world total cost of ownership for electric vs gas vehicles. Includes state EV registration fees, insurance differences, winter efficiency penalties, charging mix, tire wear, maintenance, depreciation, and sensitivity analysis.
Equipment Ownership Cost Calculator
Calculate hourly ownership and operating cost for construction equipment per EP 1110-1-8 methodology. Depreciation, fuel, maintenance, and own-vs-rent break-even analysis.
Headcount Coverage Calculator
Calculate minimum staffing for 24/7 operations using relief factor analysis. Accounts for PTO, sick leave, training, FMLA, and workers comp with rotation presets including DuPont and Pitman.
Hourly Burden Rate Calculator
Calculate true hourly labor cost including wages, benefits, payroll taxes, insurance, overhead, and utilization rate. Essential for job costing and bid pricing in the trades.
Job Bid Builder
Build a complete job bid from labor, materials, equipment, subcontractors, overhead, and profit markup. Shows bid breakdown, effective margin, break-even price, and cost per unit.
Job Labor Estimator
Estimate construction man-hours by trade and task with productivity adjustments for weather, overtime, site conditions, night shift, confined space, and elevated work.
Local SEO Foundry
Plan and track your local SEO strategy. Manage business citations, review profiles, NAP consistency, and Google Business Profile optimization for contractors and local service businesses.
Markup vs Margin Calculator
Convert between markup percentage and profit margin. Calculate selling price from cost and desired markup or margin. Includes breakeven analysis and pricing tables.
Overtime Cost Projection Tool
Analyze the true cost of overtime including hidden costs like turnover, fatigue incidents, FICA, and workers comp. Compares OT strategy vs hiring additional staff with break-even analysis.
Overtime Pay Calculator
Calculate overtime pay with federal FLSA and state-specific daily OT rules for California, Alaska, Colorado, and Nevada. Handles anti-pyramiding, prevailing wage fringe, and common schedule presets.
Per Diem & Travel Pay Calculator
Calculate per diem, lodging, mileage, and mobilization costs with GSA rate tiers, first/last day 75% rule, meal deductions, and IRS mileage rates. Includes rate lookup guidance.
Productivity Rate Calculator
Truck hauling cycle time with match factor and bottleneck verdict, plus fencing crew-day rate by type, soil, terrain, and post method. Two estimating modes on one shared engine.
Rain Day & Weather Delay Tracker
Track weather delay days against contract allowance, project schedule impact, and compare delay costs versus Saturday make-up work with regional precipitation benchmarks.
Salary to Hourly Calculator
Convert pay periods with PTO, overtime, differential, 2026 federal/FICA, payroll, state, benefit, and tax-review warnings.
Shift Differential Calculator
Calculate night shift, weekend, and holiday differential costs for your workforce. Supports flat-dollar and percentage premiums with annual projections and what-if analysis.
Shift Schedule Generator
Build DuPont, Pitman, 4-on-4-off, and Continental rotation calendars with pay, fatigue, policy, and calendar-export boundaries visible.
Workers Comp Cost Estimator
Estimate workers compensation insurance premiums from payroll, classification codes, and experience modification rate (EMR). See how your EMR impacts your annual premium and cost per labor hour.
Machinist
23 toolsHVAC
20 toolsEmissions
19 toolsMunicipal
16 toolsGeology & Drilling
12 toolsAgriculture
10 toolsHauling
8 toolsResidential
6 toolsSolar & Renewables
6 toolsStructural
6 toolsFoodservice
5 toolsHardscaping
5 toolsMarine
4 toolsArboriculture
3 toolsLive Events
3 toolsWoodworking
2 toolsFind the Right Calculator Faster
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