🔧 會計審計工具

📉 (原值 − 殘值) / 年限Depreciation Straight 輸入資產原值、預計殘值與使用年限，按直線法計算每年折舊額與折舊率，適用於固定資產攤銷、稅務折舊與資產賬面管理。Depreciation Straight - free online tool. Free online tool on ToolBox — 100% client-side, no data uploaded, no install. Part of the Accounting & Audit to... 💯 (收入 − 成本) / 收入Gross Margin 毛利率計算器，輸入營收與營業成本，按毛利率=(營收−成本)/營收求毛利水平，輔助定價策略與盈利結構分析。Gross Margin - free online tool. Free online tool on ToolBox — 100% client-side, no data uploaded, no install. Part of the Accounting & Audit tools. ⚡ (流動資產 − 存貨) / 流動負債Quick Ratio 輸入流動資產、存貨與流動負債，計算速動比率，剔除變現慢的存貨後評估短期償債能力，適用於流動性風險排查與供應商授信判斷。Quick Ratio - free online tool. Free online tool on ToolBox — 100% client-side, no data uploaded, no install. Part of the Accounting & Audit tools. 🧾 分賬計算器Split Bill Calculator 分賬計算器Enter the total bill, number of people and tip percentage to split the cost evenly and compute each share and the tip. Runs locally. 🏛️ 企業所得稅預繳Corporate Income Tax Prepayment Calculator 企業所得稅預繳估算器，輸入季度利潤總額與適用稅率，快速估算當季應預繳企業所得稅，輔助企業按季申報與資金安排。Estimate quarterly corporate income tax prepayment. Free online tool on ToolBox — 100% client-side, no data uploaded, no install. Part of the Accounting ... 🏆 淨利 / 淨資產Roe Calc 輸入淨利潤與平均淨資產，計算淨資產收益率 ROE，反映股東投入回報水平，適用於投資分析、管理層考核與資本回報評估。Roe Calc - calculate online, free and accurate. Free online tool on ToolBox — 100% client-side, no data uploaded, no install. Part of the Accounting & Au... 📊 淨利 / 總資產Roa Calc 輸入淨利潤與平均總資產，計算總資產收益率 ROA，衡量單位資產創利能力，適用於企業盈利效率評估與跨期、跨行業對標。Roa Calc - calculate online, free and accurate. Free online tool on ToolBox — 100% client-side, no data uploaded, no install. Part of the Accounting & Au... 📈 淨利 / 收入Net Profit Margin 輸入淨利潤與營業收入，計算淨利率，反映最終盈利佔收入比重，適用於盈利質量評估、經營對標與投資者財報分析。Net Profit Margin - free online tool. Free online tool on ToolBox — 100% client-side, no data uploaded, no install. Part of the Accounting & Audit tools. ➕ 單價 − 單位變動成本Contribution Margin 輸入產品單價與單位變動成本，計算單位邊際貢獻與邊際貢獻率，輔助判斷是否覆蓋固定成本並盈利，適用於本量利分析與產品盈利性評估。Contribution Margin - free online tool. Free online tool on ToolBox — 100% client-side, no data uploaded, no install. Part of the Accounting & Audit tools. ↘️ 雙倍餘額遞減法（加速折舊）Depreciation Declining 雙倍餘額遞減折舊計算器，輸入原值、殘值與年限，按年折舊=期初賬面值×2/n 加速計提(末年調至殘值)，適用於資產加速折舊核算。Depreciation Declining - free online tool. Free online tool on ToolBox — 100% client-side, no data uploaded, no install. Part of the Accounting & Audit t... 🧾 增值稅計算VAT Calculator 增值稅計算工具，輸入不含稅價或含稅價與適用稅率，快速換算含稅金額並自動計算增值稅額，適用於一般納稅人開票與計稅。Compute Chinese VAT payable online, free and accurate. Free online tool on ToolBox — 100% client-side, no data uploaded, no install. Part of the Accounting... 🥞 年數總和法（加速折舊）Depreciation Syd 年折舊 = (n−k+1)/SYD × (C−S)，SYD = n(n+1)/2。Depreciation Syd - free online tool. Free online tool on ToolBox — 100% client-side, no data uploaded, no install. Part of the Accounting & Audit tools. 🔧 成本（核算/分析/控制）方法Cost 歸集與核算產品全成本，分解固定成本與變動成本，輸出單位成本與盈虧平衡點，適用於製造業成本核算、定價分析與降本控費。Cost - free online tool. Free online tool on ToolBox — 100% client-side, no data uploaded, no install. Part of the Accounting & Audit tools. 💧 流動資產 / 流動負債Current Ratio 流動比率計算器，輸入流動資產與流動負債，按流動比率=流動資產/流動負債求短期償債能力指標，用於財務健康度分析與信貸評估。Current Ratio - free online tool. Free online tool on ToolBox — 100% client-side, no data uploaded, no install. Part of the Accounting & Audit tools. 🛡️ 由 EBIT 與利息費用求保障倍數Interest Coverage 利息保障倍數計算器，輸入 EBIT 與利息費用，按利息保障倍數=EBIT/利息費用求償債安全邊際，用於債權人風險評估。Interest Coverage - free online tool. Free online tool on ToolBox — 100% client-side, no data uploaded, no install. Part of the Accounting & Audit tools. 🥧 由三因子求淨資產收益率Roe Dupont 杜邦分析 ROE 計算器，輸入淨利率、資產週轉率與權益乘數，按 ROE=淨利率×週轉率×權益乘數拆解淨資產收益率驅動因素。Roe Dupont - free online tool. Free online tool on ToolBox — 100% client-side, no data uploaded, no install. Part of the Accounting & Audit tools. 💧 由淨利潤、折舊攤銷與營運資本變動求 OCFOperating Cash Flow 經營現金流(OCF)計算器，輸入淨利潤、折舊攤銷與營運資本變動，按 OCF=淨利潤+折舊−營運資本變動求主營業務現金流入。Operating Cash Flow - free online tool. Free online tool on ToolBox — 100% client-side, no data uploaded, no install. Part of the Accounting & Audit tools. 📦 由存貨與營業成本求存貨天數Inventory Days 存貨週轉天數(DIO)計算器，輸入存貨餘額與年營業成本，按 DIO=存貨/營業成本×365 求存貨變現週期，最佳化庫存管理。Inventory Days - free online tool. Free online tool on ToolBox — 100% client-side, no data uploaded, no install. Part of the Accounting & Audit tools. 🕐 由應付賬款與營業成本求付款天數Days Payable Outstanding 應付賬款週轉天數(DPO)計算器，輸入應付賬款餘額與年營業成本，按 DPO=應付賬款/營業成本×365 求付款週期，最佳化現金流安排。Days Payable Outstanding - free online tool. Free online tool on ToolBox — 100% client-side, no data uploaded, no install. Part of the Accounting & Audit... 🔄 由應收、存貨與應付天數求現金週期Cash Conversion Cycle 現金轉換週期(CCC)計算器，輸入應收賬款、存貨與應付賬款週轉天數，按 CCC=DSO+DIO−DPO 求現金週轉天數，衡量營運資金效率。Cash Conversion Cycle - free online tool. Free online tool on ToolBox — 100% client-side, no data uploaded, no install. Part of the Accounting & Audit to... 🕐 由應收賬款與營收求收款天數Days Sales Outstanding 應收賬款週轉天數(DSO)計算器，輸入應收賬款與年營業收入，按 DSO=應收賬款/營收×365 求回款週期，評估收款效率與資金佔用。Days Sales Outstanding - free online tool. Free online tool on ToolBox — 100% client-side, no data uploaded, no install. Part of the Accounting & Audit t... 🧮 由息稅前利潤與折舊攤銷求 EBITDAEBITDA Calculator EBITDA 計算器，輸入 EBIT 與折舊攤銷額，按 EBITDA=EBIT+折舊攤銷求息稅折舊攤銷前利潤，評估企業經營現金生成能力。EBITDA Calculator - free online tool. Free online tool on ToolBox — 100% client-side, no data uploaded, no install. Part of the Accounting & Audit tools. 🥞 由流動資產與流動負債求營運資金Working Capital 輸入流動資產與流動負債，計算營運資金淨額，衡量企業短期可動用資金，適用於現金流規劃、流動性管理與營運資金缺口診斷。Working Capital - free online tool. Free online tool on ToolBox — 100% client-side, no data uploaded, no install. Part of the Accounting & Audit tools. 🛡️ 由經營現金流與債務償付額求保障倍數Debt Service Coverage 債務保障倍數(DSCR)計算器，輸入經營現金流與年度債務償付額，按 DSCR=經營現金流/債務償付求償債能力，用於貸款授信評估。Debt Service Coverage - free online tool. Free online tool on ToolBox — 100% client-side, no data uploaded, no install. Part of the Accounting & Audit to... 💧 由經營現金流與資本支出求自由現金流Free Cash Flow 自由現金流(FCF)計算器，輸入經營現金流與資本支出，按 FCF=OCF−資本支出求可自由支配現金，用於企業估值與分紅能力分析。Free Cash Flow - free online tool. Free online tool on ToolBox — 100% client-side, no data uploaded, no install. Part of the Accounting & Audit tools. 🧮 由營收、營業成本與費用求 EBITEbit 息稅前利潤(EBIT)計算器，輸入營業收入、營業成本與營業費用，按 EBIT=營收−成本−費用求經營盈利，用於跨企業盈利對比。Ebit - free online tool. Free online tool on ToolBox — 100% client-side, no data uploaded, no install. Part of the Accounting & Audit tools. 🔁 由營收與總資產求資產週轉率Asset Turnover 輸入營業收入與平均總資產，按 營收÷總資產 計算總資產週轉率，衡量資產創收效率，適用於企業營運能力分析與同行業對標。Asset Turnover - free online tool. Free online tool on ToolBox — 100% client-side, no data uploaded, no install. Part of the Accounting & Audit tools. 📈 由營收與營業成本求毛利Gross Profit 輸入營業收入與營業成本，計算毛利與毛利率，直觀反映產品初始盈利空間，適用於銷售核算、定價策略與經營績效評估。Gross Profit - free online tool. Free online tool on ToolBox — 100% client-side, no data uploaded, no install. Part of the Accounting & Audit tools. ⚖️ 盈虧平衡點Break Even Units 盈虧平衡點計算器，輸入固定成本、單價與單位變動成本，按 BEP=固定成本/(單價−單位變動成本)求保本銷量，輔助經營決策。Break Even Units - free online tool. Free online tool on ToolBox — 100% client-side, no data uploaded, no install. Part of the Accounting & Audit tools. 🕐 直線攤銷Amortization Intangible 無形資產直線攤銷計算器，輸入成本、殘值與攤銷年限，按(成本−殘值)/年限求每年攤銷額，用於財務攤銷核算與報表編制。Amortization Intangible - free online tool. Free online tool on ToolBox — 100% client-side, no data uploaded, no install. Part of the Accounting & Audit ... ⚖️ 負債總額 / 資產總額Debt to Asset 輸入負債總額與資產總額，計算資產負債率，衡量企業長期償債能力與槓桿水平，適用於財報分析、授信評審與資本結構評估。Debt to Asset - convert values online, free and instant. Free online tool on ToolBox — 100% client-side, no data uploaded, no install. Part of the Accounti... 🔧 財務（分析/決策/預測）模型Finance 提供財務分析、決策與預測的一體化模型，輸入歷史財務資料，輸出趨勢判斷與情景測算，適用於企業預算編制、經營復盤與投融資決策。Finance - free online tool. Free online tool on ToolBox — 100% client-side, no data uploaded, no install. Part of the Accounting & Audit tools. 🔧 賬務（憑證/賬簿/報表）編制Report 2 輔助完成記賬憑證、賬簿登記與財務報表的編制流程，自動彙總科目餘額與試算平衡，適用於小微企業記賬、代理記賬與期末結賬。Report 2 - free online tool. Free online tool on ToolBox — 100% client-side, no data uploaded, no install. Part of the Accounting & Audit tools. 🔄 銷售成本 / 平均存貨Inventory Turnover 輸入營業成本與平均存貨餘額，計算存貨週轉率與週轉天數，衡量庫存變現速度，適用於倉儲管理、供應鏈效率與呆滯庫存診斷。Inventory Turnover - free online tool. Free online tool on ToolBox — 100% client-side, no data uploaded, no install. Part of the Accounting & Audit tools. 🔧 風險（預警/評估/應對）模型Assessor Risk 11 構建企業財務風險評估模型，輸入負債、現金流與盈利等指標，輸出風險等級與預警訊號，適用於信貸評審、內控體檢與經營風險排查。Assessor Risk 11 - free online tool. Free online tool on ToolBox — 100% client-side, no data uploaded, no install. Part of the Accounting & Audit tools.