Nutrition Panel Rounding Calculator

Work out nutrition panel rounding instantly with clear inputs, formula shown and shareable results.

About Nutrition Panel Rounding Calculator

Nutrition panels are declared to prescribed rounding increments, not to analytical precision. Under US rules, calories round to the nearest 5 below 50 and nearest 10 above; fat and sugars round to the nearest 0.5 g below 5 g and nearest gram above; values below 0.5 g are declared as zero.

Formula

Rounding rules

Energy: <5 kcal declare 0, 5-50 nearest 5, >50 nearest 10; fat and sugars: <0.5 g declare 0, <5 g nearest 0.5, >=5 g nearest 1

Worked example

With the default values below, Nutrition Panel Rounding Calculator returns Declared Energy of 240.0. Change any input above and every figure here is recalculated in your browser.

Inputs used

Calculated Energyminimum 0 kcal: 237.4 kcal
Calculated Fatminimum 0 g: 8.47 g
Calculated Sodiumminimum 0 mg: 412 mg
Calculated Sugarsminimum 0 g: 0.42 g

Results

Declared Energy: 240.0
Declared Fat: 8.00
Declared Sodium: 410.0
Declared Sugars: 0.00

Step by step

1Values used
2Rounding rules
3Declared Energy= 240.0
4Declared Fat= 8.00
5Declared Sodium= 410.0
6Declared Sugars= 0.00

Assumptions and limits

The result is derived only from the 4 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.
Rounding and declaration rules are set by labelling regulation and vary by jurisdiction. Confirm requirements for each market before printing a panel.

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

Rounding and declaration rules are set by labelling regulation and vary by jurisdiction. Confirm requirements for each market before printing a panel.

Frequently Asked Questions

Can a product with fat be labelled zero fat?

It can declare 0 g of fat if it contains under 0.5 g per serving, but a fat-free claim has its own separate criteria. Declaration rounding and nutrient content claims are different rule sets.

Do EU rules differ?

Yes. EU rounding guidance uses different increments and requires energy in both kJ and kcal per 100 g or 100 mL. Always apply the rules for the market of sale.