Free Interactive CRE Tools

Free Commercial Lease Tools

Interactive calculators and analyzers for commercial tenants, brokers, and property managers.

Interactive Calculators

Commercial Lease Cost Calculator

Calculate total annual and monthly occupancy cost including base rent, NNN charges, and parking for any commercial lease.

NNN Lease Cost Calculator

Break down a triple-net lease into base rent, property taxes, insurance, and CAM charges to see your true all-in cost.

CAM Reconciliation Calculator

Calculate CAM true-up amounts when actual operating expenses differ from estimated pass-through charges.

Rent Escalation Calculator

Project rent schedules over a full lease term using fixed percentage or CPI-based annual escalation rates.

Effective Rent Calculator

Calculate effective rent after accounting for free rent concessions and tenant improvement allowances.

Pro-Rata Share Calculator

Determine your tenant's proportionate share of building operating expenses based on rentable square footage.

Percentage Rent Calculator

Calculate percentage rent due above a natural breakpoint for retail leases with gross-sales-based rent clauses.

Rent Per Square Foot Calculator

Convert between annual rent per square foot, monthly rent per square foot, and total annual rent for any space size.

Analysis Tools

Lease Proposal Comparison Tool

Compare two lease proposals side-by-side on total cost, effective rent, and 5-year cost. Enter base rent, NNN charges, concessions, and escalation for each option.

Frequently Asked Questions

What free tools does Lextract offer?
Lextract offers eight free interactive calculators. These cover NNN cost, CAM reconciliation, rent escalation, effective rent, pro-rata share, percentage rent, and rent per square foot. There is also a lease proposal comparison tool. All tools run in the browser with no account required.
Is the lease comparison tool free to use?
Yes. The Lease Proposal Comparison Tool is free. Enter base rent, NNN charges, concessions, and escalation rates for two lease proposals. The tool calculates total cost, effective rent, and 5-year occupancy cost side by side so you can compare them.
How does the NNN expense calculator work?
The NNN Lease Cost Calculator breaks a triple-net lease into its four parts: base rent, property taxes, insurance, and CAM charges. It then computes your all-in monthly and annual occupancy cost. Enter the figures from your lease abstract and the calculator does the math.
Can I use Lextract tools without creating an account?
All free calculators and the lease comparison tool work without an account. Only the AI extraction service requires a credit purchase of $15 per lease. That service processes your lease PDF and returns 126 structured fields.
Are Lextract's tools suitable for lease negotiations?
Yes. The tools help tenants, brokers, and property managers prepare for lease negotiations. Use the effective rent calculator to evaluate concession packages. Use the escalation calculator to model multi-year rent. Use the comparison tool to show which proposal costs less.

Need the actual data from your lease?

Upload your lease PDF and Lextract extracts all 126 fields in 5 to 15 minutes. That includes rent amounts, escalations, CAM caps, options, and more.

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