Academic & Educational Calculators
Whether you're a student preparing for exams, a teacher calculating grades, or a parent planning for education costs, our academic tools are here to help. Simplify complex calculations for grades, test scores, and more.
AP Exam Score Calculators
Estimate your score on various AP exams. Understand how your performance on MCQs and FRQs translates to a final 1-5 score.
View AP CalculatorsGPA & Grade Calculators
Calculate your Grade Point Average (GPA) for various universities and grading systems. Tools for CGPA, SGPA, and percentage conversion.
View GPA CalculatorsTest Preparation Calculators
Tools to help you prepare for standardized tests like the SAT, PSAT, and UCAT. Calculate scores, understand negative marking, and more.
View Test Prep ToolsAcademic Support Calculators
A collection of helpful tools for students and professionals, including salary calculators, grade curve tools, and age calculators for exams.
View Support ToolsWhy Trust CalculatorBolt?
At CalculatorBolt, our mission is to provide simple, accurate, and fast calculators with clear explanations that anyone can use. Every tool is built on verified formulas and peer-reviewed for accuracy by our team of experts. We are committed to transparency and helping you make informed decisions. Learn more about our editorial process and standards.
Health & Fitness Calculators
From tracking your fitness goals to understanding health metrics, our Health & Fitness calculators are designed to give you clear, helpful insights. These tools are for informational purposes and are not a substitute for professional medical advice.
Body Composition & Training
Tools to measure body fat, calculate fat-free mass index (FFMI), and estimate your one-rep max for strength training.
View Body Comp ToolsHealth Metrics & Medication
Calculators for tracking health indicators like your average blood pressure and understanding general dosage information for common medications.
View Health Metrics ToolsNutrition, Diet & Food
Plan your diet and understand your food. Tools to calculate calories for restaurant meals, macros for nuts, and more.
View Nutrition ToolsPet Nutrition
Calculators to help you plan a healthy raw food diet for your dog, with presets for puppies and adult dogs.
View Pet Nutrition ToolsConstruction & DIY Calculators
Plan your next project with confidence. Whether you're a DIY enthusiast or a professional contractor, our construction calculators help you estimate materials, convert measurements, and budget for home improvement tasks.
Material Volume
Calculate the volume of concrete, soil, sub-base, and more for your construction and landscaping projects.
View Material CalculatorsHome Improvement
Estimate costs and materials for home improvement projects like roofing, decking, flooring, and painting.
View Home Improvement ToolsFinancial Calculators
Manage your money with confidence using our suite of financial calculators. Whether you're planning investments, applying for a loan, calculating taxes, or budgeting your salary, these tools provide the clarity you need.
Investment & Dividend
Project dividend growth, calculate maturity values for investment plans, and determine your Zakat obligations.
View Investment ToolsLoan & Mortgage
Estimate monthly payments and total interest for car loans, personal loans, mortgages, and more.
View Loan CalculatorsSalary & Income
Calculate your take-home pay, understand deductions, and estimate income for budgeting.
View Salary ToolsTax & Duty
Estimate VAT, stamp duty, PayPal fees, and other taxes to better manage your finances.
View Tax CalculatorsGaming & Entertainment Calculators
Enhance your gaming and audio experience with our specialized calculators. From planning your character build in classic RPGs to calculating audio specs for your studio, these tools are built for hobbyists and enthusiasts.
Video Game Calculators
Tools for classic games like WoW and OSRS, modern RPGs like Elden Ring, and community favorites like Minecraft and Arknights.
View Game CalculatorsMusic & Audio Calculators
Calculators for audio hobbyists and musicians, including tools for reverb time (RT60), audiobook speed, and musical note durations.
View Audio ToolsSports & Athletic Calculators
Fine-tune your performance with our collection of sports and athletic calculators. Whether you're a runner, cyclist, or team sports athlete, these tools help you track performance metrics, size gear, and understand the physics of your sport.
Performance & Running
Calculate your VDOT score, estimate race times, and analyze performance metrics for running, baseball, and more.
View Performance ToolsMotorsport & Vehicle
Tools for motorsport enthusiasts to calculate power-to-weight ratios and estimate vehicle acceleration times.
View Motorsport ToolsScience & Engineering Calculators
Solve complex problems in science and engineering with our precision tools. This category includes calculators for mathematics, physics, electrical engineering, and chemistry, designed for students and professionals.
Mathematics & Symbolic
Tools for solving symbolic math problems, including partial fractions, surds, and calculus.
View Math ToolsPhysics & Mechanical
Calculators for classical mechanics, including moment of inertia, principal stress, and fluid dynamics.
View Physics ToolsMedical & Health Calculators
Educational tools for students, parents, and health-conscious individuals. These calculators provide general guidance on clinical metrics, dosage practice, and pregnancy timelines. They are not a substitute for professional medical advice.
Dosage & Medication Education
Practice and understand dosage calculations. These tools are for educational purposes only.
View Dosage ToolsPregnancy & Fertility
Estimate due dates based on LMP or IVF transfer dates and track pregnancy weight gain.
View Pregnancy ToolsTravel & Transportation Calculators
Plan your journey with our travel and transportation calculators. Estimate taxi and metro fares in the UAE, and use our coordinate converters for popular games.
Fare Calculators
Estimate your travel costs with our fare calculators for taxis and metros in the UAE.
View Fare CalculatorsProperty & Real Estate Calculators
Navigate the property market with our specialized calculators. Whether you're a renter, landlord, or potential buyer, these tools help you understand affordability, investment returns, and other key real estate metrics.
Rent Affordability
Determine how much rent you can comfortably afford based on your income and budgeting rules.
View Rent Affordability ToolsInvestor & Landlord
Analyze potential buy-to-let investments, calculate rental yields, and understand key metrics for landlords.
View Investor ToolsTime & Date Calculators
Manage schedules, calculate leave, and understand time-based metrics with our collection of time and date calculators. These tools are designed for both personal and professional use.
Leave & Vacation Pay
Estimate annual leave entitlement and salary payouts based on regional labor laws and company policies.
View Leave CalculatorsAge, Tenure & Eligibility
Calculate employment tenure and check eligibility for various programs based on age and service duration.
View Tenure CalculatorsLanguage & Linguistic Calculators
Tools for students, writers, and language learners. Analyze text readability, count syllables, calculate reading time, and explore linguistic concepts with our collection of language-focused calculators.
Text Analysis
Calculate readability scores, count words and syllables, and estimate reading time for any text.
View Text Analysis ToolsLanguage Learning
Tools to help with language learning, including vocabulary coverage estimation and edit distance calculation.
View Learning ToolsMiscellaneous & Other Calculators
A collection of various tools for business, electronics, cooking, and more. Find calculators for gross profit, battery backup, and other specialized tasks.
Business & Productivity
Tools for calculating gross profit, click-through rate (CTR), and other business metrics.
View Business ToolsElectronics & Electrical
Calculators for electronics hobbyists and professionals, including SMD resistor codes and battery backup estimation.
View Electronics ToolsAstrology & Numerology Calculators
Explore cultural and historical systems of astrology and numerology with our educational tools. These calculators are for entertainment and informational purposes only.
Vedic Astrology
Educational tools to explore concepts from Vedic astrology, such as Atmakaraka and Ishta Devata.
View Vedic Astrology ToolsNumerology & Luck
Calculators for life path numbers (Bhagyank), Lo Shu Grids, and other numerological concepts.
View Numerology ToolsLegal & Insurance Calculators
Informational tools for understanding legal and insurance-related calculations. Estimate court fees, diminished value, and get guidance on procedural deadlines.
Vehicle Claims & Auctions
Estimate diminished value for a vehicle after an accident or calculate fees for auction purchases.
View Vehicle Claim ToolsCourts & Deadlines
Tools for estimating court fees and calculating procedural deadlines for informational purposes.
View Court & Deadline ToolsOptical & Imaging Calculators
Tools for photographers, designers, and anyone working with digital images and optics. Calculate DPI/PPI, depth of field, field of view, and more.
Printing & Screens
Calculators for pixel density (PPI), print size (DPI), and recommended viewing distances.
View Printing & Screen ToolsPhotography & Lenses
Tools for photographers to calculate depth of field, field of view, and equivalent focal lengths.
View Photography ToolsBusiness & Productivity Calculators
Essential tools for small business owners, marketers, and managers to measure performance and make data-driven decisions.
Marketing & Analytics
Calculate CTR, price elasticity of demand, and other key marketing metrics.
View Marketing ToolsOperations & Finance
Tools for calculating gross profit, blended rates, and team productivity.
View Finance ToolsFood & Cooking Calculators
Plan your meals, parties, and baking projects with our collection of food and cooking calculators. These tools help you with recipe scaling, unit conversions, and event planning.
Recipes & Baking
Tools for bakers and home cooks to scale recipes, calculate dough hydration, and manage sourdough starters.
View Baking ToolsConversions & Kitchen Math
Convert between cups and grams, swap pan sizes, and handle other common kitchen conversions.
View Conversion Tools