Everyday life calculators
Free everyday calculators for tip splitting, fuel costs, unit conversion, cooking measurements, electricity bills, GPA, and more daily needs.
My Time Calculators offers 101 free everyday-life calculators for tipping, fuel cost, unit conversion, cooking measurements, GPA, electricity bills, paint and concrete estimates, and more — practical tools for daily decisions.
All everyday calculators (101)
Tip calculator
Split bills & tips
Fuel cost
Trip fuel expense
Unit converter
Length, weight, temp
Cooking converter
Cups, tbsp, ml, oz
Running pace
Speed & finish time
Grade / GPA
Academic average
Electricity bill
kWh cost estimate
Paint calculator
Wall coverage
Concrete / tile
Area & quantity
Data storage
GB, MB, TB convert
Random number
Generate numbers
Shopping budget
Track spending
Carbon footprint
CO₂ estimate
Clothing size
International sizes
Cost per unit
Compare product prices
Fuel economy (MPG)
Miles per gallon & L/100km
Password generator
Strong random passwords
Aspect ratio
Resize keeping proportions
Roman numeral date
Date in Roman numerals
Number to words
Spell out any number
Tile calculator
Tiles needed for an area
Flooring calculator
Boxes of flooring for a room
BTU / AC size
Cooling power for a room
Mulch & soil
Cubic yards for a bed
Trip fuel cost
Fuel cost for a journey
Gravel calculator
Tonnes of gravel for an area
Wallpaper calculator
Rolls needed for a room
Roofing / shingles
Shingle bundles for a roof
Decking calculator
Boards needed for a deck
Fence calculator
Panels & posts for a fence
Drywall calculator
Plasterboard sheets needed
Brick calculator
Bricks needed for a wall
Grass seed calculator
Seed needed for a lawn
Carpet calculator
Carpet area & cost
Sheet / plywood
Sheets to cover an area
Insulation calculator
Insulation rolls for an area
Raised bed soil
Soil to fill a garden bed
Fuel savings
Savings between two cars
Car lease payment
Monthly lease estimate
0–60 / power-to-weight
Acceleration estimate
Tire size comparison
Diameter & speedo error
Mileage reimbursement
Pay for business miles
Horsepower (ET method)
HP from weight & speed
Recipe scaler
Scale a recipe up or down
Oven temperature
C, F, gas mark & fan
Roast cooking time
Time by weight & meat
Baking pan converter
Adjust for a different pan
Cooking measures
Cups, tbsp, ml & grams
Coffee ratio
Coffee & water for brew
Air fryer converter
Oven time to air fryer
Slow cooker converter
Oven to slow cooker time
Turkey cooking time
Roast time by weight
Recipe converter
Scale by servings
Liquid measure converter
Cups, ml, oz, pints
Butter converter
Sticks, grams, cups, tbsp
Flour & sugar weight
Cups to grams for baking
Yeast converter
Fresh, active dry, instant
Pizza dough
Dough for any number of pizzas
Dough proof time
Rise time by temperature
Dog age (human years)
Dog years to human years
Cat age (human years)
Cat years to human years
Dog food portion
Daily food by weight
Pet age converter
Age for many pets
Jet lag recovery
Days to adjust to a trip
Luggage allowance
Check bag weight limits
Road trip time
Drive time & fuel cost
Travel tip by country
Customary tip amounts
Travel money
Budget in local currency
Walking time
Time to walk a distance
Plant spacing
Plants needed for a bed
Pool volume
Gallons or litres in a pool
Pool chlorine
Chlorine dose for a pool
Firewood (cords)
Firewood stack volume
Fertilizer rate
Fertilizer for a lawn
Rainwater harvest
Water collected from a roof
Fuel needed for trip
Litres or gallons to fill
EV charging time
Time to charge an EV
EV charging cost
Cost to charge vs petrol
Speed converter
mph, km/h, knots, m/s
Braking distance
Stopping distance by speed
Birthday countdown
Days until your birthday
Shoe size converter
US, UK, EU shoe sizes
Ring size converter
Ring sizes by country
Hat size
Hat size from head measure
Dress size converter
US, UK, EU dress sizes
Screen time
Hours per week & per year
Reading time
Time to read by word count
Age difference
Gap between two ages
Name compatibility
Fun name match score
Yarn calculator
Yarn needed for a project
Bead count
Beads for a length
Print resolution
Max print size from pixels
Golden ratio
Golden ratio dimensions
Dice probability
Odds for dice rolls
Temperature converter
Celsius, Fahrenheit, Kelvin
Length converter
m, ft, in, cm, miles, km
Weight converter
kg, lb, oz, stone, g
Area converter
sqft, sqm, acres, hectares
Appliance running cost
Cost to run an appliance
Lightbulb savings
LED vs incandescent cost
Water usage cost
Cost of water use
Why use our everyday calculators
Real life is full of small calculations: how much to tip, what a road trip will cost in fuel, how much paint a wall needs, or how to convert a recipe from cups to millilitres. Our everyday calculators handle exactly these moments — quick, practical, and accurate, so you spend less time doing mental math and more time getting on with your day.
These are the calculations you actually face week to week. Splitting a restaurant bill fairly, budgeting a shopping trip, estimating an electricity bill before it arrives, or working out a running pace for race day. Each tool removes friction from an ordinary decision and gives you a confident answer in seconds.
How to choose the right calculator
- Find the tool that matches your task — money, travel, home, cooking, or study.
- Enter the details you already know, using your local currency where relevant.
- Get an instant result with a clear breakdown you can act on immediately.
- Explore related tools for connected tasks, like fuel cost alongside carbon footprint.
Frequently asked questions
Are these everyday calculators free to use?
Yes, every one is free, instant, and requires no sign-up or download.
Do the money tools support my currency?
Yes. Tools involving money include a currency selector so results match your local money.
Can I use the unit converter for cooking and travel?
Yes. The unit and cooking converters handle length, weight, temperature, volume, and common kitchen measurements.
Do these work on my phone?
Yes. Every calculator is fully responsive and works on phones, tablets, and computers.