Practical calculators to help you price memberships, handle taxes, and run your gym smarter. No signup required.
India
Calculate membership price excluding GST from an inclusive amount. Split CGST/SGST or IGST for your invoices.
International
Work out membership prices before or after VAT for UK, Tanzania, UAE, Kenya, and other markets.
Marketing
Find how many more 5-star Google reviews you need to reach your target rating.
Marketing
Create Instagram and Facebook captions with hashtags for offers, motivation, and gym updates.
Fitness
Calculate Body Mass Index from weight and height — useful for member assessments and check-ins.
Strength
Estimate one-rep max from weight and reps, with training percentages for programming.
Business Planning
Find how many members you need to cover rent, salaries, and fixed monthly costs.
Retention
Measure monthly member churn, retention rate, and estimate lifetime value.
Pricing
Compare yearly upfront pricing against 12 monthly payments and member savings.
Okfit generates GST and VAT compliant invoices automatically on every membership sale and renewal.