Embed a free tax calculator on your site
Add a working, always-up-to-date calculator to your own website, blog, or intranet in one line of HTML. It's free, there's no signup, and nothing to maintain — we keep the tax figures current. Ideal for payroll and HR sites, bookkeeping and accounting blogs, and employee resource pages.
Copy the snippet, paste it where you want the calculator to appear, and keep the small credit line — that link is all we ask in return.
No Tax on Overtime Calculator
Shows how much of a worker's overtime premium is deductible under the 2025 law, and the federal tax saved — with a per-state conformity note.
Live preview:
No Tax on Tips Calculator
Shows how much of a worker's tips are deductible (up to $25,000) under the 2025 law, and the federal tax saved — with a per-state conformity note.
Live preview:
Senior Bonus Deduction Calculator (65+)
Shows the 2025 law's $6,000-per-person deduction for people 65 and older — the one marketed as "no tax on Social Security" — with the income phase-out and the federal tax saved.
Live preview:
SALT Cap Calculator
Shows a filer's allowed SALT deduction under the 2025 law's $40,000 cap — with the 30% high-income phase-down, the itemize-vs-standard verdict, and the federal tax saved vs the old $10,000 cap.
Live preview:
Car Loan Interest Deduction Calculator
Shows how much of a new-car loan's interest is deductible under the 2025 law (up to $10,000/yr, 2025–2028) — estimating first-year interest from the loan terms, applying the income phase-out and eligibility checklist, and the federal tax saved.
Live preview:
Charitable Deduction Calculator
Shows the three 2026 charitable changes (all permanent): the $1,000/$2,000 non-itemizer deduction for cash gifts, the 0.5%-of-AGI floor for itemizers, the itemize-vs-standard verdict, and the federal tax saved — without claiming it lowers your AGI (it does not).
Live preview:
PMI / Mortgage Insurance Deduction Calculator
Shows the 2026 permanent revival of the mortgage insurance premium deduction: the exact $109,000 ($54,500 married filing separately) AGI cliff, the FHA-84-month-amortization vs VA/USDA-fully-deductible-in-full split, the pre-2007-contract gate, the itemize-vs-standard verdict, and the federal tax saved.
Live preview:
QCD vs. Charitable Deduction Calculator
For IRA owners 70½+: compares a Qualified Charitable Distribution (excluded from income entirely, up to $111,000 in 2026) against taking the same IRA distribution and claiming a charitable deduction instead. Shows the AGI and federal-tax difference side by side, flags the case where they tie, and gates the under-70½ and wrong-account-type cases with a clear message instead of a misleading number.
Live preview:
Dependent Care FSA vs. Child Care Credit Calculator
Settles the 2026 all-or-nothing choice: max the $7,500 Dependent Care FSA (saves income tax and FICA) or take the nonrefundable Child & Dependent Care Credit. Shows both corners side by side, the dollar difference, and which wins — MFS-aware (the credit is off the table), and it flags when maxing the FSA zeroes the credit.
Live preview:
W-4 Overtime & Tips Withholding Calculator
Turns the no-tax-on-tips / no-tax-on-overtime deduction into a paycheck adjustment: what to enter on the 2026 Form W-4 Step 4(b) Deductions Worksheet (line 1a tips, line 1b overtime premium), the annual federal withholding reduction, and the extra take-home per paycheck — for weekly, biweekly, semimonthly, or monthly pay.
Live preview:
Mandatory Roth Catch-Up Calculator
Shows whether the 2026 SECURE 2.0 §603 rule forces a high earner's 401(k)/403(b)/457(b) catch-up into Roth (after-tax) — with the catch-up band and maximum, the extra federal tax the forced-Roth treatment costs this year, and the Roth-vs-pre-tax break-even.
Live preview:
Bonus Tax Calculator by State
Shows what's withheld from a bonus now (flat 22% federal + the state's supplemental rate + FICA) beside what it will really cost at tax time, with the expected refund or amount owed — for all 50 states and DC.
Live preview:
1099-K / 1099-NEC Threshold Checker
Shows which 1099 form applies to a payment under the 2025/2026 rules: a 1099-K from a payment app or marketplace (only over $20,000 and 200 transactions), a 1099-K from a card processor like Stripe or Square (no minimum at all), or a 1099-NEC/1099-MISC from a business paying directly ($2,000 for 2026, $600 for 2025) — plus an optional state overlay note and the myth-bust that a 1099 is paperwork, not a tax.
Live preview:
W-2 Box 12 Decoder (TA, TP, TT) & Tipped Occupation Lookup
Decodes the three Box 12 codes new on 2026 W-2s — TA (Trump account contributions, excluded from Box 1), TP (reported tips) and TT (overtime premium), both still fully taxed inside Box 1 and flagging the amounts deductible on Schedule 1-A — plus a searchable lookup of all 71 Treasury Tipped Occupation Codes for Box 14b, including the meaning of code 000 (nonqualifying occupation).
Live preview:
Social Security Wage Base Max-Out Date Calculator
Projects the exact 2026 paycheck a W-2 employee's 6.2% Social Security withholding stops for the year once year-to-date Social Security wages cross the $184,500 wage base, and the resulting take-home increase — with a mid-year raise option, the year-end rollover case (no visible bump), a Medicare contrast note, and a secondary excess-FICA check for people with more than one employer.
Live preview:
Federal Student Loan Cap Calculator
Computes year-by-year federal student loan borrowing capacity and the funding gap under the caps in effect since July 1, 2026 (P.L. 119-21 / 20 U.S.C. §1087e(a)): graduate $20,500/yr with the $100,000 restorable aggregate, professional $50,000/yr with the shared $200,000 pool, Parent PLUS's own $20,000/yr and $65,000-per-student caps, the $257,500 lifetime cap, and the legacy grandfather exception — naming which cap binds each year. Statute-cited and informational only; no borrowing advice.
Live preview:
ABLE Account Contribution Limit Calculator
Computes the 2026 ABLE account (26 U.S.C. §529A) contribution limit for one beneficiary: the $20,000 base limit (decoupled from the $19,000 gift-tax exclusion by the 2025 law), the permanent ABLE-to-Work addition for an employed beneficiary with no workplace-plan contributions — the lesser of their compensation or the one-person poverty line for their state, with the separate Alaska and Hawaii figures — plus 529→ABLE rollovers against the base, remaining room, and the 6% excise on excess. Statute-cited; the only eligibility input is the onset-before-46 age — no medical or benefits determination.
Live preview:
Employer Student Loan Repayment Tax Benefit Calculator
Shows the employee income-tax + FICA saving and the employer matching-FICA saving from an IRC §127 employer student-loan-repayment benefit — permanent since the 2025 law (OBBBA §70412). Handles the $5,250 cap shared with tuition assistance, the Social Security wage-base straddle that drops the FICA saving to 1.45% for high earners, over-cap taxable wages, and the California non-conformity caveat. Informational only; not tax advice.
Live preview:
Adoption Tax Credit Calculator
Computes the 2026 federal adoption tax credit (IRC §23): qualified expenses up to the $17,670 per-child cap, the $265,080–$305,080 MAGI phase-out, and — new under the 2025 law (OBBBA §70402) — up to $5,120 refundable PER CHILD (not per return), paid even with no tax owed. Handles special-needs adoptions (full cap with no expenses), multiple children, employer §137 assistance coordination, and the 5-year carryforward. Refundable for the first time since 2011 and permanently for the first time. Statute-cited and informational only.
Live preview:
Questions
Is it really free? Yes. The calculators are free to embed on any site. We just ask that you keep the small "by Tools Berry" credit link under the calculator.
Do I have to update anything? No. The calculator is loaded from Tools Berry, so tax figures and rules stay current automatically — you never touch the code again.
Will it slow my page down? The embed loads lazily and is lightweight. Nothing your visitors enter is uploaded — the math runs in their browser.
Can I change the size? Yes — adjust the height and max-width in the snippet to fit your layout.