Free online tools for real life.

Square Footage Calculator

Measure a room, floor or lot in feet, yards or metres, add shapes, subtract cut-outs and add waste.

Concrete Calculator

Cubic yards and bags of concrete for a slab, pad or footing, with waste and cost.

Gravel Calculator

Cubic yards, US tons and metric tonnes of gravel for any area and depth.

Topsoil Calculator

Cubic yards, tons and 40 lb bags of topsoil for any area and depth, with bulk vs bagged cost.

Concrete Block Calculator

How many blocks and bags of mortar a wall needs, minus doors and windows.

Wire Size Calculator

AWG for your amps, voltage and length, AC or 12/24/48 V DC, using NEC ampacity and voltage drop.

Fence Calculator

Posts, rails, pickets, concrete bags and a cost range by material for your fence length.

Tile Calculator

Tiles, boxes and grout for a floor, with waste for each layout pattern.

Related app: ScopePad (Estimates and invoices)

HOME IMPROVEMENT

Know the price before you call.

8 TOOLS

Roof Replacement Cost Calculator

Low, typical and high price for a new roof by area, material and tear-off layers. National estimate.

Bathroom Remodel Cost Estimator

A price range by bathroom size, scope and key items like tub-to-shower and vanity.

Gutter Installation Cost Calculator

Low, typical and high gutter price by linear feet, stories, material, downspouts and guards.

Water Heater Replacement Cost Calculator

Low, typical and high installed price by type, size, fuel change and extras like permit and venting.

Septic Tank Installation Cost Calculator

Low, typical and high price for a new septic system, tank replacement or pumping by bedrooms and system type.

Termite Treatment Cost Calculator

Low, typical and high price for liquid barrier, bait, fumigation or heat treatment, plus yearly renewal.

Mold Removal Cost Calculator

Low, typical and high price for mold removal by area, location and severity, with testing and moisture fixes.

Foundation Repair Cost Calculator

Low, typical and high price for crawl space, slab, basement or pier and beam foundation repair by method.

TIME & SHIFTS

Hours, shifts and overtime.

5 TOOLS

Rotating Shift Schedule

See a 2-2-3, DuPont, Panama, Pitman or 24/48 schedule on a calendar from your start date.

Time Card Calculator

Total weekly work hours from clock-in, clock-out and lunch, with overtime and pay.

Overtime Calculator

Work out time and a half or double time pay, including night and weekend shift differentials.

Shift Differential Calculator

See what a night, evening or weekend shift differential adds to your hourly rate, paycheck and year.

Time Duration Calculator

Calculate the time between two times, subtract breaks, and handle overnight schedules.

BILLS & FINANCE

Paydays, bills and pay.

7 TOOLS

Rent Split Calculator

Split rent and shared bills between roommates equally, by income or by room size, exact to the cent.

Bill Calendar

Put your monthly bills on a calendar, group them by paycheck, and print or export reminders.

Pay Period Calendar

See every payday this year, how many paychecks you get, and which months have an extra one.

Mileage Reimbursement Calculator

Turn work miles into dollars with the 2026 IRS rate or your own, per trip, week and year.

Contractor Invoice Template

Free invoice template with line items, tax, deposit and balance due. Download a PDF, no signup.

Hourly to Salary Calculator

Turn an hourly wage into weekly, monthly and yearly pay (gross, no tax).

Salary to Hourly Calculator

Turn a yearly salary into an hourly rate, plus weekly and monthly pay.

Related app: ScopePad (Estimates and invoices)

FOCUS & PLANNING

Make time visible.

9 TOOLS

Schedule Time Calculator

Plan your daily schedule with task durations, a realistic finish time and deadline fit.

Visual Timer

A countdown that shows time as a shrinking disc, with a soft chime at the end.

ADHD Timer

Short focus sprints and breaks, shown as a shrinking disc, with a count of rounds finished.

Study With Me

A study timer with a glowing desk lamp, a 50/10 or 25/5 rhythm and quiet generated sound.

Weekly Planner

Plan your whole week day by day with goals, templates and a landscape print layout.

ADHD Daily Planner

Pick your top 3, pad your time estimates and get a realistic day you can reset in one click.

Daily Schedule Maker

Start from a template or build your day hour by hour, then print it or add it to your calendar.

Time Block Planner

Turn your tasks into a time-blocked schedule, re-plan when you run late, then print or add it to your calendar.

Pomodoro Timer

25 minute focus rounds with breaks, shown as a shrinking disc, with a soft chime.

Related app: Desklings: Focus Timer (Focus timer)

EVERYDAY CALCULATORS

Practical answers for everyday life.

6 TOOLS

Half-Life Calculator

Find the amount remaining, solve for the half-life or the time to a target, with a decay chart and table.

Date Calculator

Count days between dates, business days in a range, days since a date, or add and subtract days.

Percentage Calculator

Percent of a number, percent change, what percent one number is of another, and add or subtract a percentage.

Percent Off Calculator

Enter a price and a discount to see the sale price and what you save.

Age Calculator

Exact age in years, months and days from a date of birth, with total days and weeks lived.

How Many Place Settings Do I Need?

Find a practical number of plates, bowls and cups for your household and guests.

PHOTOS & FILES

Keep control of your files.

5 TOOLS

Is My Photo Safe to Share?

Check for location, date, device and other hidden information before sharing a photo.

Remove Photo Metadata

Create a clean copy of a photo without hidden metadata, entirely in your browser.

Make a Screenshot Safe to Share

Hide names, messages, addresses or anything else you do not want in a screenshot.

Print Multiple Photos on One Page

Arrange photos on A4 or Letter paper and download a ready-to-print PDF.

GitHub Download Link Finder

Find the latest downloadable files from a GitHub repository or release link.