About the Online Calculators
The Online Calculators collection on Pro Tools brings together 26 free tools, including Age Calculator, Hours Calculator, Minutes Calculator and 23 more. Every tool runs instantly in your browser with no account, no installation and no watermark on your results.
What is in this category
- Age Calculator — Calculate exact age in years, months, days & more
- Hours Calculator — Calculate hours between two times
- Minutes Calculator — Calculate minutes between two times
- Seconds Calculator — Calculate seconds between two times
- GPA Calculator — Calculate your GPA from grades & credits
- Grade Calculator — What you need on the final to hit your goal
- Average Calculator — Mean, median, mode & range
- Standard Deviation Calculator — Population and sample deviation
- Pythagorean Theorem Calculator — Find the missing side of a right triangle
- Fraction Calculator — Add, subtract, multiply & divide fractions
- Time Duration Calculator — Add and subtract times, total a week
- Salary Calculator — Hourly rate to annual pay & back
- Overtime Calculator — Regular, overtime and double time pay
- Fuel Economy Calculator — MPG, L/100km and cost per mile
- GCD and LCM Calculator — Greatest common divisor & multiple
- Slope Calculator — Slope, gradient, angle & distance
- Distance Calculator — Distance and midpoint in 2D or 3D
- Working Days Calculator — Add, subtract and count business days
- Bandwidth Calculator — Transfer time and speed needed
- Subnet Calculator — IPv4 network, broadcast and hosts
- Concrete Calculator — Slab, footing and wall volumes
- Tile Calculator — Tiles and boxes with waste
- Flooring Calculator — Floor area, boxes and planks
- Topsoil and Mulch Calculator — Cubic yards, tons, and bags
- Shipping Weight Calculator — Dimensional weight and cost
- Electricity Cost Calculator — What appliances cost to run
How to use these tools
Not sure where to start? The cards above list every tool in this category with a short description of what it does. Filter the list with the search box, then open any tool to get your result straight away. Nothing you type is uploaded and nothing is stored.
Looking for something else?
Browse the complete tools directory to see every category, or head back to the homepage for an overview of what is available.