Support 67858.com
Keep the numbers free
Every calculator, guide and contest here is free. Reader support funds operations, promotion, new talent and the monthly prize pool.
Supporter
$5
Covers hosting and a day of upkeep
Builder
$25
Funds a new calculator or guide update
Patron
$100
Sponsors part of a monthly contest prize
Founding Partner
$500
Funds a hire sprint + name on our supporters wall
Give a custom amount
Payments are processed by PayPal; we never see your card details. Monthly giving can be selected at checkout. Contributions to 67858.com are not tax-deductible charitable donations.
Where your support goes
Ongoing operations & hosting30%
Marketing & promotions25%
Hiring talent (writers, developers)25%
Contests & prizes20%
Target allocation; we publish an annual summary of how support was used.
Sponsor a prize or pledge in-kind support
Businesses can fund a contest prize, donate software licences or offer services to winners.
Other ways to help (free)
- Share a calculator link with someone it would help.
- Suggest a calculator or report an error via our contact form.
- Link to 67858.com from your blog or resource page.
- Enter a monthly contest.
- Join as a contributor.
Large gifts & partnerships
For grants, naming rights or strategic partnerships, contact us here.