Period Products Cost Calculator

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Estimates the annual and lifetime cost of period products based on your usage and product costs.

How To Use

How to use this calculator

Start with your values, or try a preset.

Step 1

Enter Average Period Length (days), Days of Heavy Flow per Period, Pads/Tampons Used per Day (Heavy Flow), Pads/Tampons Used per Day (Light Flow), Average Cost per Pad/Tampon ($), Units/Box of Pads/Tampons, Cost of One Box of Pads/Tampons ($), Periods Per Year (cycles), and Years Using Period Products in the units shown.

Step 2

Read Total Pads/Tampons Used per Period, Total Pads/Tampons Used per Year, Boxes of Pads/Tampons Needed per Year, Annual Cost of Period Products, and Lifetime Cost of Period Products in the results panel. Results update as you change the inputs.

Step 3

Choose a preset to load an example, then adjust the values for your situation.

Worked Examples

Example calculations

See the inputs and their calculated results.

Typical Use

Average Period Length (days): 5; Days of Heavy Flow per Period: 2; Pads/Tampons Used per Day (Heavy Flow): 4; Pads/Tampons Used per Day (Light Flow): 2; Average Cost per Pad/Tampon ($): 0.3; Units/Box of Pads/Tampons: 20; Cost of One Box of Pads/Tampons ($): 7; Periods Per Year (cycles): 12; Years Using Period Products: 35

Total Pads/Tampons Used per Period: 14; Total Pads/Tampons Used per Year: 168; Boxes of Pads/Tampons Needed per Year: 8.4; Annual Cost of Period Products: 58.8; Lifetime Cost of Period Products: 2,058

Heavy Flow, Longer Period

Average Period Length (days): 7; Days of Heavy Flow per Period: 4; Pads/Tampons Used per Day (Heavy Flow): 6; Pads/Tampons Used per Day (Light Flow): 3; Average Cost per Pad/Tampon ($): 0.35; Units/Box of Pads/Tampons: 20; Cost of One Box of Pads/Tampons ($): 7.5; Periods Per Year (cycles): 11; Years Using Period Products: 40

Total Pads/Tampons Used per Period: 33; Total Pads/Tampons Used per Year: 363; Boxes of Pads/Tampons Needed per Year: 18.15; Annual Cost of Period Products: 136.125; Lifetime Cost of Period Products: 5,445

Light Flow, Shorter Period

Average Period Length (days): 3; Days of Heavy Flow per Period: 1; Pads/Tampons Used per Day (Heavy Flow): 3; Pads/Tampons Used per Day (Light Flow): 1; Average Cost per Pad/Tampon ($): 0.25; Units/Box of Pads/Tampons: 20; Cost of One Box of Pads/Tampons ($): 6; Periods Per Year (cycles): 12; Years Using Period Products: 30

Total Pads/Tampons Used per Period: 5; Total Pads/Tampons Used per Year: 60; Boxes of Pads/Tampons Needed per Year: 3; Annual Cost of Period Products: 18; Lifetime Cost of Period Products: 540

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