Free Online Tools, No Sign Up

Free calculators and converters for units, finance, health, and date & time. Use tools directly in your browser with no account required.

Free Finance Calculators

Free online finance calculators: meeting cost, freelancer hourly rate, loan payoff with extra payments, FIRE retirement number, and US CPI inflation. No account needed.

US CPI inflation calculator
Calculate the equivalent value of dollar amount for any past or future year with US CPI data. Compare buying power across decades.
FIRE number calculator for financial independence
Calculate how much money you need to retire early using the FIRE method. Find your financial independence number and years to retirement.
Loan payoff calculator with extra payment savings
See how much interest you go save and how much sooner you go finish loan if you dey pay extra. E work for mortgage and personal loan.
Freelancer hourly rate calculator
Find out the minimum hourly rate wey you need charge as freelancer. Put expenses, tax, and target income inside.

Free Date & Time Calculators

Free online tools for date and time: age calculator, days between dates, date calculation, Unix timestamp converter, and ISO week numbers. You no need account.

Which week number e be today?
See di current ISO 8601 week number sharp sharp — no need any input. E show today week number, ISO week year, Monday–Sunday date range, and e explain ISO week rules.
ISO week number calculator
Find the ISO 8601 week number for any date. Browse the full year calendar and see which dates fall in each week.
Unix timestamp to date converter
Convert a Unix timestamp to a readable date and time — or any date back to a Unix timestamp. Supports seconds and milliseconds.
Correct age calculator for years, months and days
Calculate your correct age from your date of birth. See how many years, months, days, and hours old you be today.

Free Unit Converters

Free online unit converters for length, temperature, weight, area, volume, time, and cooking. Instant results, no account needed.

Time unit converter
Convert time units between seconds, minutes, hours, days, weeks, months, and years.
Volume converter
Convert volume units between liters, gallons, cups, milliliters, cubic inches, and more.
Cooking measurement converter
Convert cooking measurements between cups, tablespoons, grams, ounces, and more. Ingredient-based for accurate results.
Weight converter
Convert weight and mass units instantly — kilograms, pounds, ounces, grams, stones, and more.

Free Room Planner Tools

Free online room planning tools. Design your room layout, drag and drop furniture, and visualise your space with no account required.

Room layout planner
Design your room layout online. Set room dimensions for metres, drag and drop furniture, and visualise your space for free.

Free Productivity Tools

Free online productivity tools. Create printable 30-day challenge trackers and habit charts with no account required.

Free printable 30-day challenge generator
Create a custom 30-day challenge and get a printable daily tracking chart. Plan any habit, fitness goal, or skill in under a minute.

Free Health & Body Calculators

Free online health calculators for BMI, TDEE, macros, ideal weight, and body fat percentage. No account needed, no sign up — runs entirely in your browser.

Free BMI calculator
Calculate your Body Mass Index with metric or imperial units. See your BMI category based on WHO guidelines sharp sharp.
Daily macro calculator for protein, carbs and fat
Calculate your ideal daily macros for weight loss, muscle gain, or maintenance. Get personalized protein, carb, and fat targets.
Body fat percentage calculator
Estimate your body fat percentage using the US Navy tape measurement method. No gym equipment needed.
Total daily energy expenditure (TDEE) calculator
Find out how many calories you burn per day based on your weight, height, age, and activity level.