--- title: "Calculators | XTRAW Tools" description: "The main XTRAW catalog for free browser-based calculators, generators, pickers, and everyday utilities across budgeting, moving, events, pets, random tools, and practical life." url: "https://xtraw.com/calculators/math-calculators/everyday-utilities/family-date-calculators/anniversary-calculator-detail" date: "2026-06-09T22:48:59+00:00" language: "en-GB" --- ## [ Accounting & Tax Calculators ![Accounting & Tax Calculators category image](https://xtraw.com/images/virtuemart/category/22_accounting_and_tax_calculators.jpg) ](https://xtraw.com/tools/calculators/accounting-tax-calculators "Accounting & Tax Calculators") ## [ Automotive Calculators ![Automotive Calculators category image](https://xtraw.com/images/virtuemart/category/24_automotive_calculators.jpg) ](https://xtraw.com/tools/calculators/automotive-calculators "Automotive Calculators") ## [ Business Calculators ![Business Calculators category image](https://xtraw.com/images/virtuemart/category/21_business_calculators.jpg) ](https://xtraw.com/tools/calculators/business-calculators "Business Calculators") ## [ Construction & Home Calculators ![Construction & Home Calculators category image](https://xtraw.com/images/virtuemart/category/19_construction_and_home_calculators.jpg) ](https://xtraw.com/tools/calculators/construction-home-calculators "Construction & Home Calculators") ## [ Date & Time Calculators ![Date & Time Calculators category image](https://xtraw.com/images/virtuemart/category/20_date_and_time_calculators.jpg) ](https://xtraw.com/tools/calculators/date-time-calculators "Date & Time Calculators") ## [ Education Calculators ![Education Calculators category image](https://xtraw.com/images/virtuemart/category/25_education_calculators.jpg) ](https://xtraw.com/tools/calculators/education-calculators "Education Calculators") ## [ Finance Calculators ![Finance Calculators category image](https://xtraw.com/images/virtuemart/category/14_finance_calculators.jpg) ](https://xtraw.com/tools/calculators/finance-calculators "Finance Calculators") ## [ Food & Restaurant Calculators ![Food & Restaurant Calculators category image](https://xtraw.com/images/virtuemart/category/23_food_and_restaurant_calculators.jpg) ](https://xtraw.com/tools/calculators/food-restaurant-calculators "Food & Restaurant Calculators") ## [ Health & Fitness Calculators ![Health & Fitness Calculators category image](https://xtraw.com/images/virtuemart/category/16_health_and_fitness_calculators.jpg) ](https://xtraw.com/tools/calculators/health-fitness-calculators "Health & Fitness Calculators") ## [ Insurance Calculators ![Insurance Calculators category image](https://xtraw.com/images/virtuemart/category/215_insurance-calculators.jpg) ](https://xtraw.com/tools/calculators/insurance-calculators "Insurance Calculators") ## [ Marketing Calculators ![Marketing Calculators category image](https://xtraw.com/images/virtuemart/category/224_marketing-calculators.jpg) ](https://xtraw.com/tools/calculators/marketing-calculators "Marketing Calculators") ## [ Math Calculators ![Math Calculators category image](https://xtraw.com/images/virtuemart/category/17_math_calculators.jpg) ](https://xtraw.com/tools/calculators/math-calculators "Math Calculators") ## [ Real Estate Calculators ![Real Estate Calculators category image](https://xtraw.com/images/virtuemart/category/15_real_estate_calculators.jpg) ](https://xtraw.com/tools/calculators/real-estate-calculators "Real Estate Calculators") ## [ Science Calculators ![Science Calculators category image](https://xtraw.com/images/virtuemart/category/26_science_calculators.jpg) ](https://xtraw.com/tools/calculators/science-calculators "Science Calculators") ## [ Statistics Calculators ![Statistics Calculators category image](https://xtraw.com/images/virtuemart/category/18_statistics_calculators.jpg) ](https://xtraw.com/tools/calculators/statistics-calculators "Statistics Calculators") ## [ Travel Calculators ![Travel Calculators category image](https://xtraw.com/images/virtuemart/category/164_travel-calculators.jpg) ](https://xtraw.com/tools/calculators/travel-calculators "Travel Calculators") Sort by [Sorted Product Name +/-](https://xtraw.com/calculators/dirDesc " +/-") [Product Name](https://xtraw.com/calculators/by,product_name "Product Name") [Ordering](https://xtraw.com/calculators/by,ordering "Ordering") - Start - Prev - 1 - [2](https://xtraw.com/tools/calculators/results,25-48 "2") - [3](https://xtraw.com/tools/calculators/results,49-72 "3") - [4](https://xtraw.com/tools/calculators/results,73-96 "4") - [5](https://xtraw.com/tools/calculators/results,97-120 "5") - [6](https://xtraw.com/tools/calculators/results,121-144 "6") - [7](https://xtraw.com/tools/calculators/results,145-168 "7") - [8](https://xtraw.com/tools/calculators/results,169-192 "8") - [9](https://xtraw.com/tools/calculators/results,193-216 "9") - [10](https://xtraw.com/tools/calculators/results,217-240 "10") - [Next](https://xtraw.com/tools/calculators/results,25-48 "Next") - [End](https://xtraw.com/tools/calculators/results,337-360 "End") Page 1 of 15 Results 1 - 24 of 351 24 # Calculators #### Latest Tools [ ![Decision Maker from XTRAW Tools](https://xtraw.com/images/virtuemart/product/resized/xtraw-decision-maker-360x360_230x230.jpg) ](https://xtraw.com/calculators/decision-maker "Decision Maker") new ## [Decision Maker](https://xtraw.com/index.php?option=com_virtuemart&view=productdetails&virtuemart_product_id=2608&virtuemart_category_id=2&Itemid=724) Can't decide? Enter your options and let the app pick one ... Be the first to review product [ ![Random Color Generator from XTRAW Tools](https://xtraw.com/images/virtuemart/product/resized/xtraw-random-color-generator-360x360_230x230.jpg) ](https://xtraw.com/calculators/random-color-generator "Random Color Generator") new ## [Random Color Generator](https://xtraw.com/index.php?option=com_virtuemart&view=productdetails&virtuemart_product_id=2607&virtuemart_category_id=2&Itemid=724) Generate random colors and display their HEX, RGB, and HSL ... Be the first to review product [ ![Random Date Generator from XTRAW Tools](https://xtraw.com/images/virtuemart/product/resized/xtraw-random-date-generator-360x360_230x230.jpg) ](https://xtraw.com/calculators/random-date-generator "Random Date Generator") new ## [Random Date Generator](https://xtraw.com/index.php?option=com_virtuemart&view=productdetails&virtuemart_product_id=2606&virtuemart_category_id=2&Itemid=724) Generate one or more random dates within a specified range. ... Be the first to review product #### Products [ ![A/B Test Calculator from XTRAW Tools](https://xtraw.com/images/virtuemart/product/resized/xtraw-ab-test-calculator-360x360_230x230.jpg) ](https://xtraw.com/calculators/ab-test-calculator "A/B Test Calculator") new ## [A/B Test Calculator](https://xtraw.com/index.php?option=com_virtuemart&view=productdetails&virtuemart_product_id=2328&virtuemart_category_id=2&Itemid=724) Determine statistical significance of an A/B experiment. ... Be the first to review product [ ![Acceleration Calculator from XTRAW Tools](https://xtraw.com/images/virtuemart/product/resized/xtraw-acceleration-calculator-360x360_230x230.jpg) ](https://xtraw.com/calculators/acceleration-calculator "Acceleration Calculator") new ## [Acceleration Calculator](https://xtraw.com/index.php?option=com_virtuemart&view=productdetails&virtuemart_product_id=2330&virtuemart_category_id=2&Itemid=724) Calculate acceleration from change in velocity and time. ... Be the first to review product [ ![Actual Yield Calculator from XTRAW Tools](https://xtraw.com/images/virtuemart/product/resized/xtraw-actual-yield-calculator-360x360_230x230.jpg) ](https://xtraw.com/calculators/actual-yield-calculator "Actual Yield Calculator") new ## [Actual Yield Calculator](https://xtraw.com/index.php?option=com_virtuemart&view=productdetails&virtuemart_product_id=2359&virtuemart_category_id=2&Itemid=724) Calculate actual yield from theoretical yield and percent ... Be the first to review product [ ![After Repair Value (ARV) Calculator from XTRAW Tools](https://xtraw.com/images/virtuemart/product/resized/xtraw-after-repair-value-calculator-360x360_230x230.jpg) ](https://xtraw.com/calculators/after-repair-value-calculator "After Repair Value (ARV) Calculator") popular ## [After Repair Value (ARV) Calculator](https://xtraw.com/index.php?option=com_virtuemart&view=productdetails&virtuemart_product_id=2283&virtuemart_category_id=2&Itemid=724) Estimate ARV and maximum allowable offer for a ... Be the first to review product [ ![Age Calculator from XTRAW Tools](https://xtraw.com/images/virtuemart/product/resized/xtraw-age-calculator-360x360_230x230.jpg) ](https://xtraw.com/calculators/age-calculator "Age Calculator") popular ## [Age Calculator](https://xtraw.com/index.php?option=com_virtuemart&view=productdetails&virtuemart_product_id=2147&virtuemart_category_id=2&Itemid=724) Calculate age in years, months, days, and related time ... Be the first to review product [ ![Air Changes Per Hour Calculator from XTRAW Tools](https://xtraw.com/images/virtuemart/product/resized/xtraw-air-changes-per-hour-calculator-360x360_230x230.jpg) ](https://xtraw.com/calculators/air-changes-per-hour-calculator "Air Changes Per Hour Calculator") new ## [Air Changes Per Hour Calculator](https://xtraw.com/index.php?option=com_virtuemart&view=productdetails&virtuemart_product_id=2455&virtuemart_category_id=2&Itemid=724) Calculate air changes per hour (ACH) for a room given CFM ... Be the first to review product [ ![Allele Frequency Calculator from XTRAW Tools](https://xtraw.com/images/virtuemart/product/resized/xtraw-allele-frequency-calculator-360x360_230x230.jpg) ](https://xtraw.com/calculators/allele-frequency-calculator "Allele Frequency Calculator") new ## [Allele Frequency Calculator](https://xtraw.com/index.php?option=com_virtuemart&view=productdetails&virtuemart_product_id=2404&virtuemart_category_id=2&Itemid=724) Calculate allele frequencies from genotype counts in a ... Be the first to review product [ ![Angular Velocity Calculator from XTRAW Tools](https://xtraw.com/images/virtuemart/product/resized/xtraw-angular-velocity-calculator-360x360_230x230.jpg) ](https://xtraw.com/calculators/angular-velocity-calculator "Angular Velocity Calculator") new ## [Angular Velocity Calculator](https://xtraw.com/index.php?option=com_virtuemart&view=productdetails&virtuemart_product_id=2347&virtuemart_category_id=2&Itemid=724) Calculate angular velocity from angle and time, or RPM. Use ... Be the first to review product [ ![ARPU Calculator from XTRAW Tools](https://xtraw.com/images/virtuemart/product/resized/xtraw-arpu-calculator-360x360_230x230.jpg) ](https://xtraw.com/calculators/arpu-calculator "ARPU Calculator") popular ## [ARPU Calculator](https://xtraw.com/index.php?option=com_virtuemart&view=productdetails&virtuemart_product_id=2267&virtuemart_category_id=2&Itemid=724) Calculate Average Revenue Per User. Use this free ... Be the first to review product [ ![ARR Calculator from XTRAW Tools](https://xtraw.com/images/virtuemart/product/resized/xtraw-arr-calculator-360x360_230x230.jpg) ](https://xtraw.com/calculators/arr-calculator "ARR Calculator") popular ## [ARR Calculator](https://xtraw.com/index.php?option=com_virtuemart&view=productdetails&virtuemart_product_id=2266&virtuemart_category_id=2&Itemid=724) Calculate Annual Recurring Revenue from MRR or subscriber ... Be the first to review product [ ![Arrhenius Equation Calculator from XTRAW Tools](https://xtraw.com/images/virtuemart/product/resized/xtraw-arrhenius-equation-calculator-360x360_230x230.jpg) ](https://xtraw.com/calculators/arrhenius-equation-calculator "Arrhenius Equation Calculator") new ## [Arrhenius Equation Calculator](https://xtraw.com/index.php?option=com_virtuemart&view=productdetails&virtuemart_product_id=2384&virtuemart_category_id=2&Itemid=724) Calculate rate constant k using the Arrhenius equation. Use ... Be the first to review product [ ![Asphalt Calculator from XTRAW Tools](https://xtraw.com/images/virtuemart/product/resized/xtraw-asphalt-calculator-360x360_230x230.jpg) ](https://xtraw.com/calculators/asphalt-calculator "Asphalt Calculator") new ## [Asphalt Calculator](https://xtraw.com/index.php?option=com_virtuemart&view=productdetails&virtuemart_product_id=2410&virtuemart_category_id=2&Itemid=724) Calculate asphalt quantity and weight needed for a paving ... Be the first to review product [ ![Attendance Percentage Calculator from XTRAW Tools](https://xtraw.com/images/virtuemart/product/resized/xtraw-attendance-percentage-calculator-360x360_230x230.jpg) ](https://xtraw.com/calculators/attendance-percentage-calculator "Attendance Percentage Calculator") new ## [Attendance Percentage Calculator](https://xtraw.com/index.php?option=com_virtuemart&view=productdetails&virtuemart_product_id=2577&virtuemart_category_id=2&Itemid=724) Calculate attendance percentage and absences allowed before ... Be the first to review product [ ![Auto Lease Calculator from XTRAW Tools](https://xtraw.com/images/virtuemart/product/resized/xtraw-auto-lease-calculator-360x360_230x230.jpg) ](https://xtraw.com/calculators/auto-lease-calculator "Auto Lease Calculator") new ## [Auto Lease Calculator](https://xtraw.com/index.php?option=com_virtuemart&view=productdetails&virtuemart_product_id=2500&virtuemart_category_id=2&Itemid=724) Calculate monthly car lease payment from MSRP, residual, ... Be the first to review product [ ![Average Velocity Calculator from XTRAW Tools](https://xtraw.com/images/virtuemart/product/resized/xtraw-average-velocity-calculator-360x360_230x230.jpg) ](https://xtraw.com/calculators/average-velocity-calculator "Average Velocity Calculator") new ## [Average Velocity Calculator](https://xtraw.com/index.php?option=com_virtuemart&view=productdetails&virtuemart_product_id=2332&virtuemart_category_id=2&Itemid=724) Calculate average velocity from displacement and time, or ... Be the first to review product [ ![Avogadro's Number Calculator from XTRAW Tools](https://xtraw.com/images/virtuemart/product/resized/xtraw-avogadros-number-calculator-360x360_230x230.jpg) ](https://xtraw.com/calculators/avogadros-number-calculator "Avogadro's Number Calculator") new ## [Avogadro's Number Calculator](https://xtraw.com/index.php?option=com_virtuemart&view=productdetails&virtuemart_product_id=2365&virtuemart_category_id=2&Itemid=724) Calculate the number of particles from moles using ... Be the first to review product [ ![Bacterial Growth Calculator from XTRAW Tools](https://xtraw.com/images/virtuemart/product/resized/xtraw-bacterial-growth-calculator-360x360_230x230.jpg) ](https://xtraw.com/calculators/bacterial-growth-calculator "Bacterial Growth Calculator") new ## [Bacterial Growth Calculator](https://xtraw.com/index.php?option=com_virtuemart&view=productdetails&virtuemart_product_id=2394&virtuemart_category_id=2&Itemid=724) Estimate bacterial count after n generations from an ... Be the first to review product [ ![Baking Pan Conversion Calculator from XTRAW Tools](https://xtraw.com/images/virtuemart/product/resized/xtraw-baking-pan-conversion-calculator-360x360_230x230.jpg) ](https://xtraw.com/calculators/baking-pan-conversion-calculator "Baking Pan Conversion Calculator") new ## [Baking Pan Conversion Calculator](https://xtraw.com/index.php?option=com_virtuemart&view=productdetails&virtuemart_product_id=2476&virtuemart_category_id=2&Itemid=724) Calculate the volume of baking pans and find equivalent ... Be the first to review product [ ![Battery Range Calculator from XTRAW Tools](https://xtraw.com/images/virtuemart/product/resized/xtraw-battery-range-calculator-360x360_230x230.jpg) ](https://xtraw.com/calculators/battery-range-calculator "Battery Range Calculator") new ## [Battery Range Calculator](https://xtraw.com/index.php?option=com_virtuemart&view=productdetails&virtuemart_product_id=2498&virtuemart_category_id=2&Itemid=724) Calculate remaining range based on current battery ... Be the first to review product [ ![Batting Average Calculator from XTRAW Tools](https://xtraw.com/images/virtuemart/product/resized/xtraw-batting-average-calculator-360x360_230x230.jpg) ](https://xtraw.com/calculators/batting-average-calculator "Batting Average Calculator") new ## [Batting Average Calculator](https://xtraw.com/index.php?option=com_virtuemart&view=productdetails&virtuemart_product_id=2521&virtuemart_category_id=2&Itemid=724) Calculate baseball/softball batting average from hits and ... Be the first to review product [ ![Bayes' Theorem Calculator from XTRAW Tools](https://xtraw.com/images/virtuemart/product/resized/xtraw-bayes-theorem-calculator-360x360_230x230.jpg) ](https://xtraw.com/calculators/bayes-theorem-calculator "Bayes' Theorem Calculator") new ## [Bayes' Theorem Calculator](https://xtraw.com/index.php?option=com_virtuemart&view=productdetails&virtuemart_product_id=2312&virtuemart_category_id=2&Itemid=724) Apply Bayes' theorem to update a prior probability with new ... Be the first to review product [ ![Beer-Lambert Law Calculator from XTRAW Tools](https://xtraw.com/images/virtuemart/product/resized/xtraw-beer-lambert-law-calculator-360x360_230x230.jpg) ](https://xtraw.com/calculators/beer-lambert-law-calculator "Beer-Lambert Law Calculator") new ## [Beer-Lambert Law Calculator](https://xtraw.com/index.php?option=com_virtuemart&view=productdetails&virtuemart_product_id=2385&virtuemart_category_id=2&Itemid=724) Calculate absorbance, transmittance, concentration, or path ... Be the first to review product [ ![Binomial Distribution Calculator from XTRAW Tools](https://xtraw.com/images/virtuemart/product/resized/xtraw-binomial-distribution-calculator-360x360_230x230.jpg) ](https://xtraw.com/calculators/binomial-distribution-calculator "Binomial Distribution Calculator") new ## [Binomial Distribution Calculator](https://xtraw.com/index.php?option=com_virtuemart&view=productdetails&virtuemart_product_id=2316&virtuemart_category_id=2&Itemid=724) Calculate exact and cumulative binomial probabilities. Use ... Be the first to review product [ ![Board Foot Calculator from XTRAW Tools](https://xtraw.com/images/virtuemart/product/resized/xtraw-board-foot-calculator-360x360_230x230.jpg) ](https://xtraw.com/calculators/board-foot-calculator "Board Foot Calculator") new ## [Board Foot Calculator](https://xtraw.com/index.php?option=com_virtuemart&view=productdetails&virtuemart_product_id=2435&virtuemart_category_id=2&Itemid=724) Calculate board feet of lumber from dimensions. Use this ... 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