57 free tools · no sign-up · runs in your browser
Free Online Calculators & Converters
Health and fitness planners, money and maths calculators with the working shown, converters and developer utilities. Clear answers, honest sources, nothing to install.
New
Health & fitness
Training plans, trackers and percentiles built on clinical data.
- Workout Plan GeneratorA 4, 8 or 12-week plan for your goal and equipment
- Exercise LibraryEvery exercise by muscle, with rotatable 3D demos
- Guided Yoga FlowsFollow-along yoga with a 3D guide and breath-paced timer
- GLP-1 Weight Loss CalculatorWeek-by-week Wegovy & Zepbound forecast from the clinical trials
−48 lbin 72 weeks on Zepbound 15 mg
- BMI CalculatorYour BMI and the healthy weight range for your height
22.7 BMIhealthy at 154 lb, 5 ft 9 in
Money
Mortgages, loans, savings and big purchases, with honest verdicts.
Maths & school
Answers with the working shown, for homework and grades.
Write & create
Boards, notes, diagrams and colour, saved in your browser.
- Vision Board MakerA beautiful board for the year ahead, as a wallpaper or print
- Markdown EditorNotes in Markdown or block-based rich text, saved in your browser
- PDF ToolsMerge, split, sign and convert PDFs without uploading them
- Chore Chart MakerA fair split of the housework that takes turns each week, printable for the fridge
- Kids' Routine ChartPrintable picture routines for morning, after school and bedtime, with tick boxes
Developer
Quick utilities and capacity maths for engineers.
All 7 tech tools
Also: Text (1)
Time & focus
Timers that keep exact time, and dates worked out to the day.