--- 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/tools/calculators/by,ordering/dirDesc/results,73-96" date: "2026-06-10T05:06:10+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/tools/calculators/by,ordering/dirDesc "-/+") [Product Name](https://xtraw.com/tools/calculators/by,product_name/dirDesc "Product Name") [Ordering](https://xtraw.com/tools/calculators/by,ordering/dirDesc "Ordering") - 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96 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/tools/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=173) 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/tools/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=173) 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/tools/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=173) Generate one or more random dates within a specified range. ... Be the first to review product #### Products [ ![Standard Error Calculator from XTRAW Tools](https://xtraw.com/images/virtuemart/product/resized/xtraw-standard-error-calculator-360x360_230x230.jpg) ](https://xtraw.com/tools/calculators/standard-error-calculator "Standard Error Calculator") new ## [Standard Error Calculator](https://xtraw.com/index.php?option=com_virtuemart&view=productdetails&virtuemart_product_id=2302&virtuemart_category_id=2&Itemid=173) Calculate the standard error of the mean. Use this free ... Be the first to review product [ ![Spring Force Calculator from XTRAW Tools](https://xtraw.com/images/virtuemart/product/resized/xtraw-spring-force-calculator-360x360_230x230.jpg) ](https://xtraw.com/tools/calculators/spring-force-calculator "Spring Force Calculator") new ## [Spring Force Calculator](https://xtraw.com/index.php?option=com_virtuemart&view=productdetails&virtuemart_product_id=2348&virtuemart_category_id=2&Itemid=173) Calculate spring force and elastic potential energy using ... Be the first to review product [ ![Spray Foam Calculator from XTRAW Tools](https://xtraw.com/images/virtuemart/product/resized/xtraw-spray-foam-calculator-360x360_230x230.jpg) ](https://xtraw.com/tools/calculators/spray-foam-calculator "Spray Foam Calculator") new ## [Spray Foam Calculator](https://xtraw.com/index.php?option=com_virtuemart&view=productdetails&virtuemart_product_id=2433&virtuemart_category_id=2&Itemid=173) Calculate spray foam board-feet needed for a surface. Use ... Be the first to review product [ ![Speed Distance Time Calculator from XTRAW Tools](https://xtraw.com/images/virtuemart/product/resized/xtraw-speed-distance-time-calculator-360x360_230x230.jpg) ](https://xtraw.com/tools/calculators/speed-distance-time-calculator "Speed Distance Time Calculator") new ## [Speed Distance Time Calculator](https://xtraw.com/index.php?option=com_virtuemart&view=productdetails&virtuemart_product_id=2333&virtuemart_category_id=2&Itemid=173) Solve for speed, distance, or time given the other two ... Be the first to review product [ ![Speech Time Calculator from XTRAW Tools](https://xtraw.com/images/virtuemart/product/resized/xtraw-speech-time-calculator-360x360_230x230.jpg) ](https://xtraw.com/tools/calculators/speech-time-calculator "Speech Time Calculator") new ## [Speech Time Calculator](https://xtraw.com/index.php?option=com_virtuemart&view=productdetails&virtuemart_product_id=2588&virtuemart_category_id=2&Itemid=173) Estimate how long a speech or presentation will take based ... Be the first to review product [ ![Specific Activity Calculator from XTRAW Tools](https://xtraw.com/images/virtuemart/product/resized/xtraw-specific-activity-calculator-360x360_230x230.jpg) ](https://xtraw.com/tools/calculators/specific-activity-calculator "Specific Activity Calculator") new ## [Specific Activity Calculator](https://xtraw.com/index.php?option=com_virtuemart&view=productdetails&virtuemart_product_id=2407&virtuemart_category_id=2&Itemid=173) Calculate specific activity of an enzyme from total ... Be the first to review product [ ![Solution Concentration Calculator from XTRAW Tools](https://xtraw.com/images/virtuemart/product/resized/xtraw-solution-concentration-calculator-360x360_230x230.jpg) ](https://xtraw.com/tools/calculators/solution-concentration-calculator "Solution Concentration Calculator") new ## [Solution Concentration Calculator](https://xtraw.com/index.php?option=com_virtuemart&view=productdetails&virtuemart_product_id=2362&virtuemart_category_id=2&Itemid=173) Calculate molar concentration from mass, molar mass, and ... Be the first to review product [ ![Solar Energy Savings Calculator from XTRAW Tools](https://xtraw.com/images/virtuemart/product/resized/xtraw-solar-energy-savings-calculator-360x360_230x230.jpg) ](https://xtraw.com/tools/calculators/solar-energy-savings-calculator "Solar Energy Savings Calculator") new ## [Solar Energy Savings Calculator](https://xtraw.com/index.php?option=com_virtuemart&view=productdetails&virtuemart_product_id=2535&virtuemart_category_id=2&Itemid=173) Estimate annual energy production, savings, and CO2 offset ... Be the first to review product [ ![SMOG Index Calculator from XTRAW Tools](https://xtraw.com/images/virtuemart/product/resized/xtraw-smog-index-calculator-360x360_230x230.jpg) ](https://xtraw.com/tools/calculators/smog-index-calculator "SMOG Index Calculator") new ## [SMOG Index Calculator](https://xtraw.com/index.php?option=com_virtuemart&view=productdetails&virtuemart_product_id=2586&virtuemart_category_id=2&Itemid=173) Calculate the SMOG readability grade level from ... Be the first to review product [ ![Slugging Percentage Calculator from XTRAW Tools](https://xtraw.com/images/virtuemart/product/resized/xtraw-slugging-percentage-calculator-360x360_230x230.jpg) ](https://xtraw.com/tools/calculators/slugging-percentage-calculator "Slugging Percentage Calculator") new ## [Slugging Percentage Calculator](https://xtraw.com/index.php?option=com_virtuemart&view=productdetails&virtuemart_product_id=2525&virtuemart_category_id=2&Itemid=173) Calculate SLG (Slugging Percentage) for a baseball batter. ... Be the first to review product [ ![Siding Calculator from XTRAW Tools](https://xtraw.com/images/virtuemart/product/resized/xtraw-siding-calculator-360x360_230x230.jpg) ](https://xtraw.com/tools/calculators/siding-calculator "Siding Calculator") new ## [Siding Calculator](https://xtraw.com/index.php?option=com_virtuemart&view=productdetails&virtuemart_product_id=2430&virtuemart_category_id=2&Itemid=173) Calculate squares of siding needed to cover exterior walls. ... Be the first to review product [ ![Shower Water Use Calculator from XTRAW Tools](https://xtraw.com/images/virtuemart/product/resized/xtraw-shower-water-use-calculator-360x360_230x230.jpg) ](https://xtraw.com/tools/calculators/shower-water-use-calculator "Shower Water Use Calculator") new ## [Shower Water Use Calculator](https://xtraw.com/index.php?option=com_virtuemart&view=productdetails&virtuemart_product_id=2538&virtuemart_category_id=2&Itemid=173) Calculate daily, monthly, and annual water use from ... Be the first to review product [ ![Serial Dilution Lab Calculator from XTRAW Tools](https://xtraw.com/images/virtuemart/product/resized/xtraw-serial-dilution-lab-calculator-360x360_230x230.jpg) ](https://xtraw.com/tools/calculators/serial-dilution-lab-calculator "Serial Dilution Lab Calculator") new ## [Serial Dilution Lab Calculator](https://xtraw.com/index.php?option=com_virtuemart&view=productdetails&virtuemart_product_id=2396&virtuemart_category_id=2&Itemid=173) Calculate concentrations at each step of a serial dilution ... Be the first to review product [ ![Serial Dilution Calculator from XTRAW Tools](https://xtraw.com/images/virtuemart/product/resized/xtraw-serial-dilution-calculator-360x360_230x230.jpg) ](https://xtraw.com/tools/calculators/serial-dilution-calculator "Serial Dilution Calculator") new ## [Serial Dilution Calculator](https://xtraw.com/index.php?option=com_virtuemart&view=productdetails&virtuemart_product_id=2361&virtuemart_category_id=2&Itemid=173) Calculate final concentration after n serial dilution ... Be the first to review product [ ![Sensitivity & Specificity Calculator from XTRAW Tools](https://xtraw.com/images/virtuemart/product/resized/xtraw-sensitivity-specificity-calculator-360x360_230x230.jpg) ](https://xtraw.com/tools/calculators/sensitivity-specificity-calculator "Sensitivity & Specificity Calculator") new ## [Sensitivity & Specificity Calculator](https://xtraw.com/index.php?option=com_virtuemart&view=productdetails&virtuemart_product_id=2309&virtuemart_category_id=2&Itemid=173) Calculate sensitivity, specificity, and accuracy from a ... Be the first to review product [ ![Seller Financing Calculator from XTRAW Tools](https://xtraw.com/images/virtuemart/product/resized/xtraw-seller-financing-calculator-360x360_230x230.jpg) ](https://xtraw.com/tools/calculators/seller-financing-calculator "Seller Financing Calculator") new ## [Seller Financing Calculator](https://xtraw.com/index.php?option=com_virtuemart&view=productdetails&virtuemart_product_id=2294&virtuemart_category_id=2&Itemid=173) Calculate seller-financed mortgage payment and total ... Be the first to review product [ ![Sample Size Calculator from XTRAW Tools](https://xtraw.com/images/virtuemart/product/resized/xtraw-sample-size-calculator-360x360_230x230.jpg) ](https://xtraw.com/tools/calculators/sample-size-calculator "Sample Size Calculator") new ## [Sample Size Calculator](https://xtraw.com/index.php?option=com_virtuemart&view=productdetails&virtuemart_product_id=2305&virtuemart_category_id=2&Itemid=173) Determine the required sample size for a given margin of ... Be the first to review product [ ![Salt Converter from XTRAW Tools](https://xtraw.com/images/virtuemart/product/resized/xtraw-salt-converter-360x360_230x230.jpg) ](https://xtraw.com/tools/calculators/salt-converter "Salt Converter") new ## [Salt Converter](https://xtraw.com/index.php?option=com_virtuemart&view=productdetails&virtuemart_product_id=2484&virtuemart_category_id=2&Itemid=173) Convert salt between table salt, kosher salt, and sea salt ... Be the first to review product [ ![Running Pace Calculator from XTRAW Tools](https://xtraw.com/images/virtuemart/product/resized/xtraw-running-pace-calculator-360x360_230x230.jpg) ](https://xtraw.com/tools/calculators/running-pace-calculator "Running Pace Calculator") new ## [Running Pace Calculator](https://xtraw.com/index.php?option=com_virtuemart&view=productdetails&virtuemart_product_id=2509&virtuemart_category_id=2&Itemid=173) Calculate running pace, finish time, or distance from the ... Be the first to review product [ ![RPM Calculator from XTRAW Tools](https://xtraw.com/images/virtuemart/product/resized/xtraw-rpm-calculator-360x360_230x230.jpg) ](https://xtraw.com/tools/calculators/rpm-calculator "RPM Calculator") new ## [RPM Calculator](https://xtraw.com/index.php?option=com_virtuemart&view=productdetails&virtuemart_product_id=2504&virtuemart_category_id=2&Itemid=173) Calculate engine RPM from vehicle speed, gear ratio, and ... Be the first to review product [ ![Room Size Calculator from XTRAW Tools](https://xtraw.com/images/virtuemart/product/resized/xtraw-room-size-calculator-360x360_230x230.jpg) ](https://xtraw.com/tools/calculators/room-size-calculator "Room Size Calculator") new ## [Room Size Calculator](https://xtraw.com/index.php?option=com_virtuemart&view=productdetails&virtuemart_product_id=2454&virtuemart_category_id=2&Itemid=173) Calculate room area, volume, and perimeter from dimensions. ... Be the first to review product [ ![Room BTU Calculator from XTRAW Tools](https://xtraw.com/images/virtuemart/product/resized/xtraw-room-btu-calculator-360x360_230x230.jpg) ](https://xtraw.com/tools/calculators/room-btu-calculator "Room BTU Calculator") new ## [Room BTU Calculator](https://xtraw.com/index.php?option=com_virtuemart&view=productdetails&virtuemart_product_id=2450&virtuemart_category_id=2&Itemid=173) Estimate BTU capacity needed to heat or cool a room. Use ... Be the first to review product [ ![Roof Shingle Calculator from XTRAW Tools](https://xtraw.com/images/virtuemart/product/resized/xtraw-roof-shingle-calculator-360x360_230x230.jpg) ](https://xtraw.com/tools/calculators/roof-shingle-calculator "Roof Shingle Calculator") new ## [Roof Shingle Calculator](https://xtraw.com/index.php?option=com_virtuemart&view=productdetails&virtuemart_product_id=2444&virtuemart_category_id=2&Itemid=173) Calculate roofing squares and bundles of shingles needed. ... Be the first to review product [ ![Roof Pitch Calculator from XTRAW Tools](https://xtraw.com/images/virtuemart/product/resized/xtraw-roof-pitch-calculator-360x360_230x230.jpg) ](https://xtraw.com/tools/calculators/roof-pitch-calculator "Roof Pitch Calculator") new ## [Roof Pitch Calculator](https://xtraw.com/index.php?option=com_virtuemart&view=productdetails&virtuemart_product_id=2442&virtuemart_category_id=2&Itemid=173) Calculate roof pitch, angle, and slope multiplier from rise ... 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