Built for Freelancers & Contractors
Financial Clarity for Independent Workers
SoloMargin provides simple, lightning-fast micro-tools to help you estimate taxes, calculate hourly rates, track business write-offs, and make informed financial decisions. No bloated signups or subscription fees.
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Stripe Reverse Fee
Calculate the exact invoice amount you need to bill clients to receive your desired take-home payout.
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PayPal Reverse Fee
Calculate the gross amount to charge clients to cover PayPal invoice fees and clear your target net.
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Square Reverse Fee
Determine the exact invoice gross required to cover Square's credit card and merchant processing fees.
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Self-Employment Tax
Quickly estimate your quarterly self-employment taxes and write-offs to avoid surprises at tax time.