600+ accurate, fast, and beautifully designed calculators for finance, legal, health, construction, education, math, electrical, sports, food, automotive, and more. Get instant answers — no ads, no signup, no paywalls. Trusted by millions worldwide.
CalculatorCove is the most comprehensive free calculator website on the internet, with 600+ live calculators and 3,331+ planned tools covering every major life and business need across 14 categories. Whether you need a mortgage calculator, pain and suffering calculator, TDEE calculator, roofing calculator, GPA calculator, or CPM calculator — every tool on CalculatorCove is 100% free, instant, and verified accurate. No signup required on any page.
Our finance calculator category is the largest on the site with 113+ tools. The Mortgage Refinance Calculator helps homeowners compare loan scenarios and calculate monthly payment savings. The Stripe Fee Calculator is used daily by freelancers and e-commerce businesses to estimate processing costs. Our Capital Gains Tax Calculator, Self-Employed Tax Calculator, and paycheck calculator by state give small business owners and employees instant take-home pay estimates. Additional tools cover auto loan, DSCR, cap rate, compound interest, retirement, and investment return calculations.
Our legal calculator category helps injury victims, attorneys, HR professionals, and divorcing spouses estimate fair compensation. The Pain and Suffering Calculator applies both the multiplier method and per diem method — the same approaches used by insurance adjusters. The Workers Comp Calculator estimates weekly benefit amounts by state. Our Car Accident Settlement Calculator, alimony calculator, slip and fall calculator, and punitive damages calculator give claimants a data-driven starting point for negotiations.
CalculatorCove’s health calculator section serves both consumers and healthcare professionals. The TDEE Calculator computes your Total Daily Energy Expenditure using the Mifflin-St Jeor formula — the most accurate method for calculating how many calories you need to lose weight, maintain, or build muscle. The Dental Implant Cost Calculator helps patients estimate procedure costs by region and implant type. Clinical tools include the ABI Calculator, dosage calculator, body fat percentage calculator, ideal body weight calculator, and pregnancy due date calculator.
Contractors, project managers, and homeowners rely on our 60+ construction calculators for accurate material and cost estimates. The Roofing Calculator computes shingle bundles, roofing squares, and total material cost including waste factor. The Concrete Calculator calculates cubic yards for slabs, footings, and columns. Our Asphalt Calculator, flooring calculator, drywall calculator, lumber calculator, and HVAC load calculator all use industry-standard formulas with real material cost data.
Students, parents, and educators use our education calculators to plan academic performance and test prep strategy. The GPA Calculator handles weighted and unweighted GPA, cumulative GPA tracking, and what-if grade scenarios for improving your overall average. Our LSAT score calculator, MCAT score calculator, GMAT calculator, and SAT score converter give test takers instant percentile rankings alongside their scaled scores. Student loan forgiveness calculators and tuition cost calculators round out the category.
Digital marketers, media buyers, and growth teams rely on our marketing calculators to measure every dimension of campaign performance. The CPM Calculator computes Cost Per Mille from ad spend and impressions. Our CTR calculator, CPC calculator, ROAS calculator, and ROI calculator cover the full paid media measurement stack. Additional tools include conversion rate calculator, customer acquisition cost calculator, and lifetime value calculator for SaaS and e-commerce businesses.
Our math calculator section covers every level from basic arithmetic to advanced mathematics. The percentage calculator handles percentage increase, decrease, difference, and reverse percentage in one tool. Fraction calculators simplify, add, subtract, multiply, and divide fractions with step-by-step solutions. Additional tools include square root calculator, exponent calculator, quadratic equation solver, midpoint calculator, distance formula calculator, and long division calculator with remainders — all showing full working so students learn the method, not just the answer.
Electricians, engineers, and electronics hobbyists use our electrical calculator section for circuit design and troubleshooting. The Ohm’s Law Calculator solves for voltage, current, resistance, or power when any two values are known. The wire size calculator recommends gauge based on amperage and run length per NEC standards. Additional tools cover LED wattage, electrical load calculation, power factor, three-phase power, and battery run time calculators.
Researchers, students, and data analysts use our statistics calculators for hypothesis testing and descriptive analysis. The z-score calculator converts a raw score to a standard score and returns the corresponding p-value and probability. The standard deviation calculator computes population and sample standard deviation with variance from a raw data set. Additional tools include confidence interval calculator, mean median mode calculator, regression calculator, probability calculator, and sample size calculator.
Athletes, coaches, and fitness enthusiasts use our sports calculators to plan training and measure performance. The pace calculator converts between pace per mile, pace per kilometer, finish time, and total distance for running, cycling, and swimming. The VO2 max calculator estimates aerobic capacity from race time or fitness test results. Additional tools include one rep max calculator, calories burned calculator, marathon finish time predictor, and swim pace calculator.
Home cooks, bakers, and food service professionals use our food calculators for precise measurements and scaling. The recipe converter scales any recipe up or down by servings with automatic unit conversion. The bread hydration calculator and pizza dough calculator use baker’s percentages to compute flour, water, yeast, and salt ratios for any batch size. Additional tools include food cost calculator, nutrition calculator, cooking unit converter, and tip calculator.
Car owners, buyers, and fleet managers use our automotive calculators for vehicle cost analysis. The MPG calculator computes miles per gallon from odometer readings and fuel used. The fuel cost calculator estimates monthly and annual fuel spend based on driving habits and gas prices. Additional tools include car payment calculator, car depreciation calculator, horsepower to torque converter, tire size calculator, and vehicle comparison calculator to help buyers choose between models.
Our everyday life calculator section handles the calculations most people need daily but rarely have a formula for. The age calculator gives your exact age in years, months, days, and hours from your birthdate. The days between dates calculator counts working days, weekends, or total days between any two dates. Additional tools include tip calculator, split bill calculator, time zone converter, unit converter, countdown calculator, and sleep cycle calculator.
Network engineers, IT administrators, and students rely on our networking calculators for IP infrastructure planning and troubleshooting. The IP Subnet Calculator computes network address, broadcast address, subnet mask, wildcard mask, and usable host range from any IP/CIDR input. The CIDR Calculator converts between CIDR notation and dotted-decimal subnet masks for any prefix length from /1 to /32. The Bandwidth Calculator models total capacity requirements for users and applications. Additional tools cover VLSM, Mbps to MB/s conversion, data transfer time, WiFi coverage, TCP throughput, VoIP bandwidth, and network uptime SLA calculations.
Can’t find the calculator you need? Tell us — we build new calculators every week and prioritize the most-requested tools across all 14 categories.