# Rent Math Tools | New Austin Apartment Team > Eight free rent math tools: net effective, true monthly, year-two renewal, 12 vs. 15 months, concession formats, move-in cash, 3x income, and toll cost. URL: https://newapartmentsaustin.com/tools/ Tools · rent math, free # Rent math tools for new Austin apartments Prices pulled Oct 25, 2026 at 6:14 AM CT · Travis · Williamson · Hays · Bastrop · Caldwell The same formulas we use on every building, so you can check any special, fee sheet, or renewal yourself. - Free to you, and your rent is the same either way - 144 new communities tracked (as of Oct 25, 2026) - Prices pulled every morning ![Calculator, laptop, and a printed apartment special on an oak desk](/images/misc/calculator-laptop-and-a-printed-apartment-special-.webp) - Licensed Texas brokerage Spirit Real Estate Group, LLC, TREC #562021 - Free to renters Communities pay the brokerage. Your rent is the same either way. - Prices pulled every morning Every card shows the date and time it was pulled - Score can't be bought Commission rates never affect score, sort, placement, or picks The Special Decoder ## Turn 'weeks free' into the number you'll pay each month Same formula we use on every building. Gift cards stay out of net effective, and year two is shown beside every special. $1,269 Net effective $1,389 With fees $1,620 Year two +17% Renewal jump Free rent value $2,769 Discount off base 15.4% Lease total after special $15,231 Fees per year $1,440 8 weeks free on a $1,500 apartment works out to about $1,269 a month across 12 months. Add $120 in fees and you're at $1,389, and year two starts at $1,620 if the base holds. Estimates only. The community sets rent, fees, and approval. We confirm them in writing before you sign. Gift cards are shown separately and are not part of net effective. See this math on every building → [/contact/ →](/contact/) How we do the math [/how-we-do-the-math/ →](/how-we-do-the-math/) Eight tools ## Pick a calculator, then take it to the filtered board Estimates only. The community sets rent, fees, and approval. ## Special Decoder: Net Effective Rent Calculator Turn 'weeks free' on any lease length into the monthly number you'll actually pay. Open the calculator → [/tools/net-effective-rent-calculator/ →](/tools/net-effective-rent-calculator/) ## True Monthly Cost Calculator Net effective plus required fees, electric, water, parking, and pet rent. Open the calculator → [/tools/true-monthly-cost-calculator/ →](/tools/true-monthly-cost-calculator/) ## Year-Two Renewal Calculator See how much rent jumps at renewal when the special drops off. Open the calculator → [/tools/year-two-rent-calculator/ →](/tools/year-two-rent-calculator/) ## 12 vs. 15 Month Lease Calculator Compare a special on a 12-month lease against a 15-month lease on monthly cost and 24-month total. Open the calculator → [/tools/lease-term-comparison/ →](/tools/lease-term-comparison/) ## Upfront vs. Prorated Concession Calculator Same weeks free, three formats: upfront, prorated, or a gift card. See move-in cash and payback exposure. Open the calculator → [/tools/concession-format-comparison/ →](/tools/concession-format-comparison/) ## Move-In Cash Calculator What you'll pay before you get keys, with utility deposits waived by letter of credit. Open the calculator → [/tools/move-in-cash-calculator/ →](/tools/move-in-cash-calculator/) ## Income Qualification Check (3x Rent) Check whether your income clears the multiple on base rent or on rent after the special. Open the calculator → [/tools/income-qualification-calculator/ →](/tools/income-qualification-calculator/) ## Commute Toll Cost Calculator Put a monthly number on a toll commute (183A, SH-130, SH-45) and add it to true monthly. Open the calculator → [/tools/commute-toll-cost-calculator/ →](/tools/commute-toll-cost-calculator/) The 60-second form ## Tell us what you need. We make the calls. You don't have time to call 20 leasing offices. We do, and confirm the unit, the special, and the written fee sheet the same day during hours. 1. 1 Same day We call or text during hours with a shortlist plan. 2. 2 In writing Unit, special, end date, and fee sheet confirmed before you tour. 3. 3 Year two shown Every pick shows year two at 0% and +3%, plus a 24-month total. Prefer to talk? Call or text 512-000-000 [tel:+1512000000 →](tel:+1512000000) , Mon-Fri 8 AM-8 PM · Sat 9 AM-6 PM · Sun 12-5 PM. Free, same day during hours ## Get my shortlist Step 1 of 3 ### Thanks, we have your details. We'll call or text the same day during hours with your shortlist plan. Straight answers ## Tools: questions Direct answer first, then the source and date. If your question isn't here, ask us on the form or by text. ### Do the tools use the same math as the board? Yes. Every tool uses the formulas on How We Do the Math: free rent = base × 12 ÷ 52 × weeks, and net effective = (base × months − free rent) ÷ months. ### Are the results exact? They're estimates. The community sets rent, fees, and approval. We confirm them in writing before you sign. ### Can you run the math on buildings I'm considering? Yes. Send your shortlist on the form and we'll decode each special with fees and year two. ### Do you store what I enter? No. Calculator inputs stay in your browser unless you send us the form. ### Can you guarantee a price or approval? No. The community sets both price and approval. We confirm them in writing before you sign. Related pages ## Keep comparing Board view ### Specials Specials confirmed within the last 7 days, each decoded to net effective and year two, with base rent shown beside every discount. Open Specials→ [/apartment-specials/ →](/apartment-specials/) Board view ### New Build Board Every in-scope community on one map, with base rent, the special, net effective, true monthly, and year two pulled every morning. Open New Build Board→ [/new-construction-apartments/ →](/new-construction-apartments/) Board view ### Moving to Austin A remote shortlist for renters relocating to the metro: five-county overview, electric by area, tolls, and live video walks of the actual unit. Open Moving to Austin→ [/moving-to-austin/ →](/moving-to-austin/) ![](/images/misc/dusk-view-of-new-limestone-and-glass-apartment-tow.webp) Free to you, and your rent is the same either way ## You don't have time to call 20 leasing offices. We do. Send us your move date and all-in budget. We confirm the unit, the special, and the written fee sheet the same day during hours, then show you year two before you tour. Get my shortlist → [/contact/ →](/contact/) See the New Build Board [/new-construction-apartments/ →](/new-construction-apartments/) Call or text 512-000-000 [tel:+1512000000 →](tel:+1512000000) We don't guarantee pricing or approval. The community sets both, and we confirm them before you sign.