All Calculators

Calculate Amniotic Fluid Index (AFI) from four-quadrant measurements. Assess for oligohydramnios or polyhydramnios in pregnancy.

Calculate the weight needed to achieve your target BMI. Enter your height and desired BMI to find your goal weight. Includes healthy weight range calculator.

Calculate urine osmolality from electrolytes (Na, K), urea, and glucose. Assess kidney concentrating ability, diagnose diabetes insipidus, and evaluate fluid balance.

Calculate log reduction for disinfection and sterilization. Enter initial and final microbial counts to find kill rate percentage, or calculate survivors from target log reduction.

Calculate pressure and volume changes using Boyle's Law (P₁V₁ = P₂V₂). Solve for any unknown variable with this interactive gas law calculator.

Calculate the perimeter of a decagon (10-sided polygon). Enter side length for regular decagons or all 10 sides for irregular decagons. Get area, angles, and diagonals.

Calculate the perimeter of a circular sector (pie slice shape). Enter radius and central angle to find perimeter, arc length, area, chord length, and more.

Calculate cylinder surface area including total, lateral (curved), and base areas. Enter radius and height to get complete results with formulas.

Calculate depreciation recapture tax when selling rental property or business assets. Understand Section 1250 and 1245 recapture rules.

Calculate compound growth with dividend reinvestment (DRIP). See how reinvesting dividends to buy more shares creates exponential growth over time.

Calculate bond coupon rate from face value and coupon payments. Find current yield, yield to maturity, and analyze premium/discount bonds.

Calculate Weighted Average Cost of Capital (WACC) using CAPM for cost of equity. Analyze capital structure, cost of debt, and required returns.

Calculate mural painting costs based on wall size, complexity, and artist rates. Get accurate estimates for labor, materials, and total project costs.

Calculate bandwidth-delay product (BDP) for network optimization. Determine optimal TCP window size, buffer settings, and throughput potential.

Calculate how much rent you can afford based on your income. Use the 30% rule to find affordable rent, analyze rent-to-income ratio, and budget for housing costs.

Calculate drivetrain power loss and convert between engine HP (BHP) and wheel HP (WHP). Supports manual, auto, DCT, CVT, FWD, RWD, and AWD configurations.

Convert liters to pounds with density-based precision. Critical for US freight pricing, logistics planning, and international shipping weight calculations.

Transform liters to fluid ounces (oz) with dual US/Imperial system support. Essential for bartending, cocktail recipes, and beverage measurements.

Transform liters to grams using substance density. Essential for chemistry, cooking, and scientific calculations with precise results.

Master recipe conversions across US, Metric, and Imperial cup systems. Essential for professional baking, international cooking, and precise culinary measurements.

Calculate prorated bonus for new hires, terminations, or partial year employment. Prorate annual, quarterly, or monthly bonuses based on days worked.

Calculate salary incentives, performance bonuses, and commission earnings. Enter base salary, incentive rate, and performance metrics to see your total compensation breakdown.

Calculate optimal counter offers for salary negotiations, price haggling, and contract deals. Get strategy recommendations based on market data.

Calculate insurance agent commissions for life, health, auto, and home policies. See first-year vs renewal rates, override commissions, and industry comparisons.