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- Binary calculatorCalculate with signed binary whole numbers and see the exact binary and decimal results.
- Binomial distribution calculatorCalculate exact-count and cumulative probabilities for independent trials with a fixed success probability.
- Black scholes calculatorCalculate theoretical European call and put values with the Black–Scholes model and your volatility, rate and dividend assumptions.
- Block mortar calculatorEstimate mortar in a uniform masonry grid from wall area, unit size, wall thickness and joint thickness.
- Board and batten layout calculatorLay out equal wall panels with a full batten at each edge and between every panel.
- Board foot calculatorOne board foot is a 12 × 12 × 1 inch volume. Board feet = thickness in inches × width in inches × length in feet × count ÷ 12.
- Board game score calculatorAdd each player’s round scores and rank totals, with a highest-wins or lowest-wins setting.
- Bond price calculatorDiscount level coupons and principal to price a bond on a coupon payment date.
- Break even calculatorBreak-even units = fixed costs ÷ (selling price − variable cost per unit).
- Brick calculatorEstimate bricks for a wall face using nominal brick-plus-joint modules, then apply your waste allowance.
- Budget calculatorCheck whether your income covers expenses and a savings target.
- Business startup cost calculatorAdd one-time setup costs to an operating reserve and see the remaining funding gap.
- Business valuation calculatorApply your chosen earnings multiple, then bridge enterprise value to equity value using cash and debt.
- Cabinet door calculatorSize one cabinet door or a pair from the opening, overlay or inset, and meeting gap.
- Cake calculatorScale a round-pan recipe by the ratio of the two cylindrical batter volumes.
- Calculate APYAPY = ((1 + nominal annual rate ÷ compounds per year)^compounds per year − 1) × 100.
- Calculate BMICalculate adult BMI from weight and height. For ages 20 and older.
- Calculate CAC LTVLTV-to-CAC ratio = expected lifetime gross profit per customer ÷ customer acquisition cost.
- Calculate CAGRCAGR = ((ending value ÷ starting value)^(1 ÷ years) − 1) × 100.
- Calculate DTIDTI = total monthly debt payments ÷ gross monthly income × 100.
- Calculate edpiEffective DPI = mouse DPI × in-game sensitivity.
- Calculate GCFFind the greatest common factor and least common multiple.
- Calculate LTVLoan-to-value ratio = loan balance ÷ property value × 100.
- Calculate ppiPixels per inch = diagonal pixel count divided by diagonal size in inches.
- Calculate rms voltageFor a zero-offset sine wave, RMS voltage = peak voltage ÷ √2.
- Calculate ROICompare your total gain or loss with the amount invested.
- Calculate VATVAT-inclusive amount = VAT-exclusive price × (1 + VAT rate ÷ 100).
- Calorie density calculatorConvert a calorie total into calories per gram or per 100 grams.
- Calories per serving calculatorDivide a recipe’s calorie total into equal portions.
- Camera data rate calculatorCalculate raw video payload = width × height × frames per second × bits per pixel.
- Canadian mortgage calculatorConvert a nominal rate compounded semiannually to a monthly rate, then calculate the level mortgage payment.
- Cap rate calculatorCapitalization rate = annual net operating income ÷ property value × 100.
- Capacitance to charge calculatorCharge = capacitance × voltage.
- Car depreciation calculatorApply a constant percentage depreciation assumption to a vehicle’s present value.
- Car lease calculatorEstimate a conventional lease payment from adjusted cost, residual, term and money factor.
- Card draw probability calculatorFind hypergeometric probabilities for drawing exactly k marked cards without replacement.