Professional calculators for construction, real estate, payroll, and small business.

Calculators contractors and owner-builders use daily for material take-offs, structural sizing, and job estimates, with sourced formulas and worked examples.

Calculators for independent contractors and self-employed workers, covering rate-setting, estimated taxes, project profitability, and monthly break-even math.

Cost and ROI calculators for kitchen and bath remodels, deck builds, roof replacement, and solar installation. Sized for homeowner budgeting decisions.

Calculators small-business owners and HR generalists use for running payroll correctly, including FLSA overtime, withholding, PTO accrual, and WARN Act eligibility.

Calculators for real estate investors and small landlords, covering rent vs buy, cap rate, cash-on-cash return, and rental property depreciation schedules.

Calculators for company-level financial decisions including break-even analysis, profit margin, markup conversion, inventory turnover, and cash runway.

Bathroom Remodel Budget and ROI Calculator

Estimate bathroom remodel cost and resale recoupment by project tier, including midrange update, upscale, universal design, and full bath addition.

Break-Even Analysis Calculator

Calculate break-even units and revenue for a business using fixed costs, price per unit, and variable cost per unit. Standard managerial accounting formula.

Break-Even Day Calculator

Calculate which working day of the month your billable work covers your fixed overhead, and how much capacity remains for profit.

Cap Rate and NOI Calculator

Calculate net operating income and cap rate for a rental property from gross rent, vacancy, and operating expenses. Standard CRE valuation formula.

Cash Burn Runway Calculator

Calculate months of runway from cash balance and monthly net burn, with optional revenue growth projection. Standard startup survival metric.

Cash-on-Cash Return Calculator

Calculate cash-on-cash return from annual cash flow and total cash invested. The standard leveraged-return metric for rental real estate deals.