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Sanitation Coverage Calculator

Work out sanitation coverage instantly with clear inputs, formula shown and shareable results.

About Sanitation Coverage Calculator

Divides households with an improved sanitation facility by all households and converts the gap into the number of people still unserved.

Formula

Sanitation coverage

Coverage (%) = households with an improved facility / total households x 100; people unserved = households without x average household size

Worked example

With the default values below, Sanitation Coverage Calculator returns Sanitation coverage of 85.000%. Change any input above and every figure here is recalculated in your browser.

Inputs used

Households with an improved facilityaccepts 0–10,000,000
3,400
Total householdsaccepts 1–10,000,000
4,000
Average household sizeaccepts 1–15
4.5

Results

Sanitation coverage
85.000%
Households without an improved facility
600
People without an improved facility
2,700
People covered
15,300

Step by step

  1. 1Values used
  2. 2Sanitation coverage
  3. 3Sanitation coverage= 85.000
  4. 4Households without an improved facility= 600
  5. 5People without an improved facility= 2,700
  6. 6People covered= 15,300

Assumptions and limits

  • The result is derived only from the 3 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 3 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

What counts as improved sanitation?

Facilities designed to separate excreta from human contact, such as flush toilets to a sewer or septic tank, and ventilated improved pit latrines.

What does safely managed add?

It also requires that excreta be safely disposed of in situ or treated off site, which is the SDG 6.2 standard.

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