Quarterly Tax Calculator
Server MCP gratis untuk pajak estimasi triwulanan wiraswasta AS. estimateQuarterlyTax menghitung pajak pendapatan federal + negara bagian, pajak SE, dan 4 angsuran per triwulan dari laba bersih tahunan, status pengajuan, negara bagian, dan tahun pajak (2025/2026, sadar-QBI); getPaymentCalendar mengembalikan 4 tanggal jatuh tempo triwulanan IRS, dengan memperhitungkan akhir pekan dan hari libur IRS. Endpoint jarak jauh: https://mcp.quarterlytax.al157.xyz/mcp (HTTP Streamable, tanpa autentikasi). Perhitungan hanya-baca; tidak ada data yang disimpan.
Server MCP Terhosting
npx add-mcp 'https://mcp.quarterlytax.al157.xyz/mcp'Terpasang ke Claude Code, Codex, Cursor, dan lainnya
Dokumentasi
Your numbers
Business revenue minus expenses — the profit you report.
State tax is a rough estimate — graduated marginal brackets for CA, NY, NJ, HI and OR; single approximate marginal rate elsewhere.
§199A simplified estimate — assumes a non-SSTB business with no W-2 wages paid. Thresholds follow the selected tax year.
tax-rules: 2026 federal states 2025 Rates verified for tax year 2026 — rates change yearly, IRS figures govern. State estimates: 2025 data.
Federal / quarter
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State / quarter
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Safe harbor comparison
Payment calendar
Pay via IRS Direct Pay ↗ Pay via EFTPS ↗
Due dates follow the IRS rule: a date falling on a weekend or legal holiday moves to the next business day. Always confirm on irs.gov before paying.