Free Everyday Calculators

Dates and durations, running costs, home projects and shopping maths — the small calculations that are easy to get slightly wrong.

44 free tools
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Runs in your browser

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Most visited in Everyday & Fun

Carpet Calculator Find square yards of carpet, roll length, and cost including underlay for any number of rooms.

Ordered by how often these pages are shown in Google Search results. Every tool in the category is listed in full below.

# 1 tool

⌨️ Typing Speed Test Measure your typing speed (WPM) and accuracy live, with a new sentence each run.

A 2 tools

Add and Subtract Time Calculator Add or subtract hours, minutes and seconds from any time and get the exact result. Age Calculator Find your exact age in years, months & days from your date of birth — free & private.

B 2 tools

Bill Split Calculator Split a restaurant or group bill evenly or unevenly, with tip and tax, down to the exact penny. Business Days Calculator Count business days between two dates or add/subtract workdays, excluding weekends and holidays.

C 6 tools

Carpet Calculator Find square yards of carpet, roll length, and cost including underlay for any number of rooms. Coffee Cost Calculator Compare coffee shop spending to home-brew cost and see what the savings could grow into. Coin Flip Simulator Flip 1 to 1,000 coins and see counts, percentages, streaks, and history live. Commute Cost Calculator See your daily, weekly, monthly & yearly commute cost, plus WFH savings and time spent. Concrete Calculator Get cubic yards, cubic metres, bags needed, and cost for slabs, footings, and columns. Countdown Timer Live countdown to any date/time plus a simple minutes timer with a completion beep.

D 4 tools

Date Difference Calculator Find the exact time between two dates in days, weeks, months and years. Day of the Week Calculator Find the day of the week for any date, plus the week number and days from today. Days Until Date Calculator Count the exact days, weeks, months, and business days until (or since) any date, with a live countdown. Dice Roller Roll 1-10 dice of any type with modifiers, totals, history, and a live distribution.

E 2 tools

Electricity Bill Calculator Add your appliances and see your estimated daily, monthly, and yearly electricity cost. EV Charging Cost Calculator Estimate EV charging cost per mile and per 100 miles, and compare home vs. public rates to gas.

F 2 tools

Flooring Calculator Add multiple rooms and calculate boxes of laminate, hardwood, or vinyl flooring needed plus cost. Fuel Cost Calculator Calculate total trip fuel cost, cost per mile or km, and cost per passenger using MPG or L/100km.

G 1 tool

Gift Budget Calculator Split a total gift budget fairly across recipients by priority, with live running totals.

L 1 tool

Leap Year Calculator Check whether any year is a leap year and see the next and previous leap years instantly.

M 3 tools

Meeting Cost Calculator See what a meeting costs in staff time, and what it costs across a year if it recurs. Moving Cost Calculator Estimate DIY truck rental vs. professional movers with packing, storage, and insurance. Mulch Calculator Find how many bags or cubic yards of mulch you need for any number of garden beds.

P 4 tools

Paint Calculator Calculate how many gallons or litres of paint you need for any room, plus total cost. Party Food Calculator Get food, drink, and ice quantities plus estimated cost for any party size or event type. Pizza Size Comparison Compare up to 4 pizzas by diameter and price to find the true best value. Printing Cost Calculator Work out your real cost per page from ink, toner, paper and coverage, then annualise it.

Q 1 tool

QR Code Generator Free custom QR code generator — links, text, Wi-Fi & contacts, download PNG.

R 3 tools

Random Picker Wheel Paste a list and spin to pick a fair random winner — for giveaways, chores, and teams. Reading Time Calculator Estimate how long any text takes to read or speak, by word count and reading speed. Road Trip Cost Calculator Estimate total road trip cost — fuel, lodging, food, tolls — and the per-person split.

S 2 tools

Screen Time Cost Calculator Convert daily screen time into hours, full days and years of your life over any period. Shipping Cost Per Item Calculator Split freight, duty and packaging across a shipment to find the true cost of each item.

T 3 tools

Tile Calculator Find tiles needed, boxes needed, and total cost for any floor or wall tile project. Time Card Calculator Turn daily clock-in/out times and breaks into weekly hours, overtime, and gross pay. Time Duration Calculator Work out the exact duration between two times, with breaks deducted and overnight shifts handled.

U 1 tool

Unit Price Comparison Calculator Compare pack sizes and prices in mixed units to find which one is genuinely the best value.

W 6 tools

Wall Area Calculator Get total wall area, ceiling area, and perimeter for any room, minus doors and windows. Wallpaper Calculator Find how many wallpaper rolls you need, factoring in pattern repeat and match type. Water Usage Calculator Estimate your household's daily, monthly and yearly water use and cost from showers, baths, laundry and more. Wedding Budget Calculator Split a total wedding budget across venue, catering, photography, and more. Week Number Calculator Find the ISO and US week number for any date, plus day-of-year and reverse week lookup. Work Hours Calculator Find hours between two dates, add/subtract durations, and convert decimal hours to h:m.

No everyday & fun tool matches that. Search all 822 free tools.

Dates are harder than they look

Leap years are not simply every four years: century years are skipped unless divisible by 400, which is why 1900 was not a leap year and 2000 was. Working days depend on which days you count. A duration across midnight is not a subtraction. The date and time tools here implement the full rules and explain them, rather than the approximation that works until it does not.

Running costs add up quietly

Fuel, electricity, commuting, coffee and subscriptions are individually trivial and collectively significant. These calculators annualise the small number, which is usually the point at which the figure becomes interesting.

The shopping maths that shops rely on

A bigger pack is not automatically cheaper per unit, and pack sizes are frequently chosen so the comparison is awkward to do in your head. The unit-price comparison tool normalises mixed units — grams against kilograms, millilitres against litres — and names the genuinely cheapest option.

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