Plans and pricing

Every calculator is free. Paid plans start at 3 EUR/mo.

Free

0 EUR/mo

All calculators & tools
3 gear stages
1 saved config per tool
All rounding modes (up to 15 digits)
100 requests/day

Get Started

Pro

3 EUR/mo

Everything in Free
10 gear stages
100 saved configurations
Auto-save
Projects & collaboration
Component library
PDF, JSON & image export
1000 requests/day

Expert

5 EUR/mo

Everything in Pro
Unlimited gear stages
Unlimited configurations
Unlimited projects
10000 requests/day
Priority support

Early Bird Offer

Pay 30 EUR once and keep Expert for life. No subscription.

Not ready to upgrade? Try our free tools. All calculators work without an account.