Free NNN & 1031 Calculators
The arithmetic every net lease decision runs on — free, fast, and shareable (inputs live in each page's URL). Built and checked by people who use them on real deals.
- Lease Expiry Calculator Start date + term → expiry date, months remaining, and renewal reminder dates. Open calculator →
- NNN Lease Calculator Base rent plus taxes, insurance and CAM per SF → true monthly and annual cost. Open calculator →
- Property Value Calculator NOI ÷ cap rate → value, with a gross rent multiplier cross-check. Open calculator →
- Balloon Loan Calculator Payment, amortization and balloon balance for partially amortized CRE loans. Open calculator →
- Cap Rate Calculator New NOI ÷ price → cap rate, plus reverse-solve for price or required NOI. Open calculator →
- 1031 Deadline Calculator New Sale date → your 45-day identification and 180-day closing deadlines, with calendar export. Open calculator →
Calculators answer 'what' — we're here for 'which one.'
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