Marks To Percentage Calculator

Work out marks to percentage instantly with clear inputs, formula shown and shareable results.

About Marks To Percentage Calculator

The percentage is marks obtained divided by total marks, times one hundred, which also gives the equivalent score if the paper had been out of 100. Papers are rarely out of 100, so converting to a percentage is the only way to compare a 68/80 against a 41/50.

Formula

Percentage

percentage = marks obtained / total marks x 100

Worked example

With the default values below, Marks To Percentage Calculator returns Percentage of 85.00%. Change any input above and every figure here is recalculated in your browser.

Inputs used

Marks obtainedminimum 0: 68
Total marksminimum 1: 80

Results

Percentage: 85.00%
Marks lost: 12.00
As a fraction: 68 / 80
Equivalent score out of 100: 85.0

Step by step

1Values used
2Percentage
3Percentage= 85.00
4Marks lost= 12.00
5As a fraction= 68 / 80
6Equivalent score out of 100= 85.0

Assumptions and limits

The result is derived only from the 2 inputs listed above. Anything not among them is not part of the calculation.
In particular, this calculator does not take inflation, tax, fees or charges or compounding frequency into account.
Figures are rounded for display to 2 decimal places, so totals built from several rounded parts can differ slightly from the unrounded arithmetic.

How these calculators are built and tested is described on the Methodology page. If a figure looks wrong, please report it.

Frequently Asked Questions

How is the Marks To Percentage figure worked out?

percentage = marks obtained / total marks x 100. The percentage is marks obtained divided by total marks, times one hundred, which also gives the equivalent score if the paper had been out of 100.

Why does this matter?

Papers are rarely out of 100, so converting to a percentage is the only way to compare a 68/80 against a 41/50.

What do I need to enter?

Enter marks obtained, total marks. The defaults shown are a realistic worked example — swap in your own figures to get a result you can use.