We are working on building a calculator for every computation life throws at you - from the serious to the whimsical. Now also in Spanish and Portuguese!
We currently have 500 calculators available.
Estimate the minimum income you need to sponsor a family member with our Affidavit of Support Calculator. Quickly determine if you meet the financial criteria for immigration.
Use our simple and accurate Age Calculator to find your exact age or the time between two dates in years, months, and days. Perfect for birthdays and events.
Check your eligibility for Australian immigration using our SkillSelect Points Calculator. Quickly estimate your points based on age, education, experience, language skills, and more.
Estimate how far migratory birds travel by entering starting and ending coordinates. Learn about migration patterns and conservation efforts.
Estimate how much food to pack for your camping trip. Calculate total calories, cost, and weight based on campers, trip length, and meal preferences.
Check your eligibility for Canadian immigration using our Express Entry CRS Points Calculator. Quickly estimate your points based on age, education, experience, and language skills.
Calculate your annual carbon footprint based on home energy, transportation, diet, and waste habits. Discover ways to reduce your environmental impact today.
Estimate how many carbon offsets you need for flights or road trips and what it might cost.
Estimate your cat's age in human years quickly. Learn how feline aging works and how to care for cats at every life stage.
Create a personalized schedule to cut back on daily screen time with this Digital Detox Planner.
Find out your dog's age in human years with this quick Dog Age Calculator. Just enter your dog's age to see the equivalent human age.
Plan your pet budget by calculating how much it costs to feed your dog each day. Enter dog weight, portion size and food price to see weekly and monthly expenses.
Calculate how much it costs to charge your electric bike. Enter battery capacity, electricity price, and charger efficiency to plan your riding budget.
Use this e-bike range calculator to estimate your travel distance based on battery size, motor power, and riding efficiency.
Estimate how an electric vehicle battery's capacity declines with age, mileage, charge cycles, and climate. Plan future range by understanding degradation.
Estimate the total cost to install an electric vehicle charger at home. Includes equipment price, electrician labor, permits, incentives, and more.
Find out how much it costs to charge your electric vehicle at home. Enter battery size, electricity rate, and charger efficiency to see the total.
Calculate how long it takes to charge your electric vehicle and how much it costs based on charger power, battery size, and electricity rates.
Estimate the electricity cost and charging stops for your electric vehicle on a long road trip.
Estimate carbon emissions from a flight using origin and destination coordinates.
Estimate how much carbon a forest stores and sequesters annually based on area, tree density, and age. Understand your woodland's climate impact.
Determine your eligibility for Hong Kong's Quality Migrant Admission Scheme with our QMAS Points Calculator. Calculate points for age, education, experience, language skills, and more.
Check your eligibility for Japan's Highly Skilled Professional visa using our comprehensive points calculator. Estimate points for education, experience, income, age, and more.
Find out how much weight your kayak can safely carry. Input the manufacturer rating along with paddler and gear weight to avoid overloading.
Calculate the ideal reheating time and method to revive your leftover pizza slices. No more soggy crusts with our Leftover Pizza Reheat Calculator.
Find out how many candles to light on each night of Hanukkah with this easy calculator.
Estimate total viewing time for your movie marathons including breaks.
Discover the ideal nap length for optimal rest and productivity. Calculate the best time to nap without waking groggy using our Nap Duration Calculator.
Calculate approximate amounts of key Seder items based on your number of guests.
Use our Pet Age Calculator to find your dog or cat's age in human years. Learn about pet aging and care tips.
Determine the correct serving size for your dog or cat based on weight, activity level, and food calories. Maintain a healthy diet by calculating how many cups or grams to feed each day.
Find out how old you would be on Mars, Jupiter, and other planets using our quick planetary age converter.
Estimate the age of organic materials using the exponential decay of carbon‑14. Enter the remaining fraction and half-life to compute archaeological ages.
Estimate the age when your savings will let you retire. Enter your current savings, contributions, and expected returns to see when you can reach your goal.
Compute the travel time of seismic P or S waves given distance and wave velocity. Useful for earthquake analysis and geophysical surveys.
Determine your vocal prowess with our Shower Karaoke Score Calculator. See how your bathroom acoustics influence your singing score and have fun in the process.
Gauge your phone's battery health by entering charge cycles, age, and average temperature. Learn how usage patterns affect capacity over time.
Calculate the likelihood of finding a matching pair in your sock drawer. Our Sock Matching Probability Calculator turns laundry day into a fun statistics experiment.
Calculate the distance a vehicle needs to come to a complete stop. Enter speed, reaction time, and road friction to see how far you'll travel before halting.
Plan your trip with our Travel Budget Calculator. Estimate transportation, lodging, food, activities, and miscellaneous expenses for stress-free travel planning.
Estimate how much travel insurance may cost based on your trip price, traveler age, trip length, and coverage level.
Estimate your eligibility for the UK's Skilled Worker visa with this simple points calculator. Find out if you meet the necessary points under the UK's points-based immigration system.
Determine if you're on track to become a US citizen with our comprehensive Citizenship Eligibility Calculator. Answer simple questions about residency, age, language ability, and more to see your readiness score.
Estimate your household water footprint from daily activities like showers, laundry, and lawn watering. Learn how to conserve and reduce usage.