Tomato paste vs Ketchup
A side-by-side guide to substituting Ketchup for Tomato paste (or vice versa).
Ketchup works as a 1:1 swap for Tomato paste in most recipes.
Side-by-side
Ketchup
Conversion: 1:1 substitution (use the same amount)
Tags: common
Notes: 1:1 swap. Adds sweetness and vinegar tang. Works in BBQ sauces, meatloaf, and stews where extra sweetness is acceptable.
Read the full guide: Ketchup
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Open calculator →When to use Ketchup instead of Tomato paste
1:1 swap. Adds sweetness and vinegar tang. Works in BBQ sauces, meatloaf, and stews where extra sweetness is acceptable. The conversion is 1:1 substitution (use the same amount).
Common questions
Yes — 1:1 swap. Adds sweetness and vinegar tang. Works in BBQ sauces, meatloaf, and stews where extra sweetness is acceptable. Ratio: 1:1 substitution (use the same amount).
1:1 substitution (use the same amount). For other quantities, use the SubSwap calculator.
They are similar in most uses, but 1:1 swap..
Ketchup is one of the options SubSwap lists for Tomato paste. The 'best' choice depends on your recipe — see the full list of Tomato paste substitutes.
Looking for more Tomato paste substitutes beyond Ketchup?
See all Tomato paste swaps →