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Calculators Directory

Financial Calculators Library

Browse 578 verified financial calculation models across 18 categories, featuring 367 specialized calculation engines alongside 201 transparent preliminary planning baselines.

Featured & Active Calculators (578)

Tested against IRS, HMRC, ATO, CRA, and RBI statutory rules

Investing & Wealth

Bond Duration Calculator

Calculate Macaulay and Modified bond duration to measure interest rate risk and price volatility.

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Investing & Wealth

Bond Price Calculator

Calculate fair market bond pricing from coupon rate, maturity term, and market yield to maturity.

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Salary & Employment

Bonus Tax Calculator

Estimate federal, state, and FICA tax withholdings on employee bonus checks under IRS supplemental rates.

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Business & Net Worth

Break-Even Calculator

Calculate unit volume and gross revenue required to cover fixed overhead and variable costs.

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Budgeting & Cash Flow

Budget Calculator

See where your money goes with a simple income-versus-expenses budget summary.

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Business & Net Worth

Business Loan Calculator

Calculate commercial term loan payments, origination fees, total finance costs, and net disbursed funds.

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UK Finance & Tax Popular

Buy-to-Let Mortgage Stress Test Calculator

Test UK Buy-to-Let rental income against Prudential Regulation Authority (PRA) stressed interest rates and Interest Cover Ratios (ICR).

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Investing & Wealth

CAGR Calculator

Calculate annualized compound rate of return for investments, revenue, or portfolio assets.

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Savings & Emergency Funds Popular

CD Ladder Calculator

Model a multi-tranche CD ladder with staggered 6 to 36-month maturities to maximize yield while maintaining regular cash liquidity.

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Canada Finance & Tax Popular

CPP Start Age Comparison Calculator

Compare Canada Pension Plan (CPP) retirement benefits starting at age 60 (-36%), 65, or 70 (+42%) to determine your lifetime break-even age.

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US Tax & Retirement

California State Income Tax & SDI Withholding Calculator

Estimate California Franchise Tax Board (FTB) personal income taxes across progressive brackets (1% to 12.3%), the 1% Mental Health Services Tax surcharge on taxable income over $1,000,000, and mandatory California State Disability Insurance (SDI) withholding.

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Canada Finance & Tax

Canada GST / HST / PST Combined Sales Tax Calculator

Calculate Canadian sales taxes across all 10 provinces and 3 territories. Compute federal Goods and Services Tax (GST), Harmonized Sales Tax (HST), Provincial Sales Tax (PST), and Quebec Sales Tax (QST) in either tax-exclusive or tax-inclusive mode.

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Showing 73 to 108 of 578 calculators
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Complete Financial Calculators Index (All 578 Tools)

Directory of every verified financial calculation engine grouped across all 18 planning categories