What Your Result Means
The permille output tells you how many parts per 1,000 your input part represents out of the whole. Use percent and decimal outputs as equivalent formats of the same ratio.
Calculator
Calculate Permille Instantly
Calculate any value in permille (‰), then see the result as percent, decimal, ratio, and a 1,000-square visual.
Formula: permille = (part / whole) * 1000
Permille Calculator
Enter your values to calculate and visualize the result.
Animated visualization of per mille (out of one thousand).
FAQ
- What does permille mean?
Permille means per thousand. A value of 25‰ means 25 out of 1,000, which is 2.5%. - When is permille better than percent?
Permille works better when changes are small but still important, like salinity, gradients, rates, and advertising metrics.