Commercial lease calculators including NNN, CAM, and TI allowance tools. Browse our free leasing tools below — all calculators are instant, accurate, and require no sign-up.
Commercial Lease Type Comparison Calculator — Compare gross, modified gross, and NNN lease structures side by side. See actual occupancy cost for each type to pick the best commercial lease.
CAM Charges Calculator — Calculate your pro-rata share of common area maintenance charges in a commercial lease. Divide building CAM costs by tenant square footage.
Commercial NNN Lease Calculator — Calculate total monthly occupancy cost under a triple net (NNN) lease. Add base rent plus property tax, insurance, and CAM for the true cost.
Free Rent Concession Calculator — Calculate the effective rent after free rent concessions. See how free months reduce your average cost and total lease expense over the full term.
OpEx Pass-Through Calculator — Calculate your share of operating expense pass-throughs in a commercial lease. See how base year stops and pro-rata shares affect your costs.
Lease Escalation Clause Calculator — Project rent over a multi-year commercial lease with fixed or percentage escalation clauses. See cumulative cost and year-by-year rent schedule.
Tenant Improvement Allowance Calculator — Calculate your net build-out cost after applying the landlord's TI allowance. See how much you need to invest above the allowance for your space.