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Sales Tax Calculator Calculate the total cost of an item including sales tax. Enter the item price and tax rate below. Item Price ($): Sales Tax Rate (%): Calculate Total Reset Results Original Price: $0.00 Sales Tax Amount: $0.00 Total Price: $0.00 How to Use This Sales Tax Calculator Enter the price of the item … Read more

Logarithm Calculator Calculate logarithms, natural logs (ln), and antilogarithms with different bases. Enter your values and select the calculation type. Calculation Type: Logarithm (logₐx)Natural Logarithm (ln)Antilogarithm (aˣ)Change of Base (logₐb) Base (a): Number (x): Number (x): Base (a): Exponent (x): Original Base (a): New Base (b): Number (x): Calculate Results Calculation: – Result: – Formula … Read more

Test Grade Calculator Calculate your test grade, percentage score, or determine what score you need on a final exam. Select your calculation type and enter the required values. Calculation Type: Calculate Grade from PointsCalculate Grade from PercentageCalculate Final Exam Score Needed Points Earned: Points Possible: Percentage Score (%): Current Grade (%): Final Exam Weight (%): … Read more

Confidence Interval Calculator Calculate confidence intervals for population means or proportions. Enter your data and select the appropriate options to compute the interval. Data Type: Sample MeanSample Proportion Sample Mean (x̄): Standard Deviation (σ or s): Sample Size (n): Sample Proportion (p̂): Sample Size (n): Confidence Level: 90%95%99%Custom Custom Confidence Level (%): Population standard deviation … Read more

P-Value Calculator Use this calculator to compute the p-value for a given z-score, t-score, F-score, or chi-square score. Select the appropriate test type and enter your score and degrees of freedom (if required). Test Type: Z-test (Normal Distribution)T-test (Student’s T Distribution)F-test (F Distribution)Chi-square test (χ² Distribution) Score: Degrees of Freedom 1 (df1): Degrees of Freedom … Read more

HHI Calculator Calculate the Herfindahl-Hirschman Index to measure market concentration Market Share Input + Add Firm × × Total Market Share: 0% Calculate HHI Market Concentration Results 0 HHI Score – Market Concentration – Equivalent Equal-Sized Firms HHI Interpretation Enter market shares to calculate HHI and see market concentration analysis. Market Share Distribution No data … Read more

GRP (Gross Rating Points) Calculator Calculate your advertising campaign’s Gross Rating Points by entering your reach and frequency data below. Reach (% of target audience): % Average Frequency: Calculate GRP Reset GRP Calculation Results Gross Rating Points (GRP): 0 What This GRP Score Means 0-50 GRP Low impact. Consider increasing frequency or expanding reach. 50-100 … Read more

Google AdSense Earnings Calculator Estimate your potential AdSense revenue based on your website traffic and performance metrics Monthly Visitors: Pageviews per Visitor: Estimated CTR (%): Estimated CPC ($): Ad Units per Page: Calculate Earnings Estimated AdSense Earnings $0.00 Daily $0.00 Weekly $0.00 Monthly $0.00 Yearly Metrics Breakdown 0 Monthly Pageviews 0 Monthly Ad Impressions 0 … Read more