For syrups: viscosity can trap residual liquid in measuring tools.
1 teaspoon of Lemon Juice in grams
Reviewed by CupOrGram Editorial TeamData methodology: NIST-derived density references + recipe testing notesMethodology
Answer
5.1 grams
Based on lemon juice density of 1.03 g/ml
Source: NIST-DB-72
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Need a substitute for Lemon Juice?
We have 2 tested substitutions with exact ratios.
View substitutions →Quick Reference Table
| teaspoons | grams |
|---|---|
| 1/4 teaspoons | 1.3 grams |
| 1/2 teaspoons | 2.5 grams |
| 1 teaspoons | 5.1 grams |
| 2 teaspoons | 10.2 grams |
| 3 teaspoons | 15.2 grams |
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Density-accurate conversions for baking
5.1
grams
Science Note: Precision within +/-0.002g
Accuracy: +/-0.002gHow this is calculatedWe multiply the volume by the ingredient's specific density (g/ml) from NIST-standardized reference data. This accounts for how tightly each ingredient packs, giving accuracy within +/-0.002g.Source: NIST-DB-72
Why this conversion matters
Lemon Juice has a density of 1.03 g/ml, which means it's close to the density of water. Using weight-based measurements gives you consistent results every time.
Recipe Context for Lemon Juice
For batters: precise liquid amount controls final thickness and rise.
For glazes: even small liquid changes alter flow and set time.
Common Pitfalls
- Switching brands without re-checking weight can change texture and bake time.
- Using volume-only measurements for dense ingredients can overshoot recipe targets.
- Viscous liquids leave residue in cups and spoons, reducing accuracy.
Brand Variance Example
Baseline on this page: 1 cup lemon juice = 244g. Real-world range can shift by about 4% because liquids are usually more stable than dry ingredients, but viscosity and temperature still matter.
Example for 2 cups: baseline 488g, common range 468g-508g. If your bake is texture-sensitive, start with the lower bound and adjust after a test batch.