Smart
Calculators
財務
利息、房貸、貸款與投資工具
透過複利與定期投入，計算你的投資如何隨時間增長。
計算達成儲蓄目標所需的每日、每週、每月與每年存款金額。輸入目標、現有存款與期限，立即拆解成可執行的存錢計畫。
計算每月房貸付款、總利息，並生成完整的攤還時間表。包含房屋稅、房屋保險、抵押保險（PMI）與提前還款分析。
計算每月貸款月付金、總利息與全期總成本。可並排比較最多 3 組貸款方案。支援本息平均攤還與本金平均攤還兩種還款方式。
並排比較最多 3 組貸款方案。一眼看出哪一筆貸款的全期總利息最低，幫你找到最划算的選擇。
依台灣 5% 加值型營業稅計算含稅、未稅與稅額。支援自訂稅率（1% 小規模、0.1% 農產品、25% 特種飲食業），自動處理三聯式發票尾差。
這些計算機目前僅提供其他語言版本，點擊即可查看。
Calculate your Spanish net salary from your gross annual income using 2026 IRPF withholding rates and Social Security contributions.
Calculate your Indonesian take-home pay from gross salary. Includes PPh 21 income tax, BPJS Kesehatan, BPJS Ketenagakerjaan, and Tapera contributions for 2026.
Calculate stamp duty, metro cess, local body tax and registration fee for property purchases in Maharashtra. Covers Mumbai, Pune, Nashik, Nagpur, and rural areas with women concession and gift deed rates.
Calculate the return on investment for crowdfunding projects. Estimate net profit, annualized ROI, and fees.
Calculate Spanish VAT (IVA) instantly. Add or remove the general (21%), reduced (10%) or super-reduced (4%) IVA from any price.
Calculate the Canary Islands IGIC instantly. Add or remove the general (7%), reduced (3%) or zero IGIC rate from any price.
Calculate your Indonesian Tapera contribution (2.5% employee + 0.5% employer, or 3% self-employed) and project the long-term balance with BP Tapera yield assumptions.
Calculate Islamic mahr (dowry) in your local currency using live gold and silver prices. Supports Mahr Fatimi, minimum mahr, gold-based, silver-based, and income-based methods.
Calculate your Argentine severance pay for dismissal, resignation, or end of contract under the Labor Modernization Law (Ley 27802).
Calculate the monthly FAL contribution (Fondo de Asistencia Laboral, Ley 27.802) for your company, project accumulated balance, and simulate severance coverage. For Argentine employers and accountants.
Calculate gold value from weight (baht, salung, grams) using live gold prices. Convert between Thai gold weight units for bars and jewelry.
